307 Area Code
| State: | Wyoming |
| Major City: | Cheyenne |
| Timezone: | Mountain (MDT) |
| Current Time: | 7:26 PM |
| State: | Wyoming |
| Major City: | Cheyenne |
| Timezone: | Mountain (MDT) |
| Current Time: | 7:26 PM |
Area code 307 is a telephone area code in Wyoming serving Cheyenne and surrounding communities. The 307 area code is in the Mountain Time Zone (MDT). The current local time in the 307 area code is 7:26 PM.
The 307 area code covers 85 cities, 27 counties, and 140 zip codes in Wyoming. The estimated total population across all zip codes in the 307 area code is 660,147. The largest cities served by the 307 area code include Cheyenne (pop. 79,484), Casper (pop. 67,598), Gillette (pop. 36,032), Laramie (pop. 33,929) and Rock Springs (pop. 25,913) .
The 307 area code has 483 telephone prefixes (exchanges) assigned to it.
| State | Wyoming |
| Major City | Cheyenne |
| Time Zone | Mountain (MDT) |
| Current Time | 7:26 PM |
| Population | 660,147 |
| Cities | 85 |
| Counties | 27 |
| ZIP Codes | 140 |
| Prefixes | 483 |
| Median Income | $64,930.11 |
| Median Age | 38.43 |
85 cities use the 307 area code in Wyoming.
| City | County | Population |
|---|---|---|
| Cheyenne | Laramie | 79,484 |
| Casper | Natrona | 67,598 |
| Gillette | Campbell | 36,032 |
| Laramie | Albany | 33,929 |
| Rock Springs | Sweetwater | 25,913 |
| Sheridan | Sheridan | 19,320 |
| Jackson | Teton | 12,576 |
| Riverton | Fremont | 12,445 |
| Green River | Sweetwater | 11,906 |
| Evanston | Uinta | 11,641 |
| Cody | Park | 9,788 |
| Rawlins | Carbon | 8,521 |
| Lander | Fremont | 7,458 |
| Torrington | Goshen | 7,289 |
| Douglas | Converse | 6,421 |
| Powell | Park | 6,253 |
| Worland | Washakie | 5,024 |
| Buffalo | Johnson | 4,575 |
| Wheatland | Platte | 3,462 |
| Newcastle | Weston | 3,397 |
| Kemmerer | Lincoln | 3,235 |
| Thermopolis | Hot Springs | 3,029 |
| Glenrock | Converse | 2,575 |
| Lovell | Big Horn | 2,366 |
| Lyman | Uinta | 2,070 |
| Afton | Lincoln | 2,041 |
| Pinedale | Sublette | 1,871 |
| Greybull | Big Horn | 1,838 |
| Wright | Campbell | 1,753 |
| Lusk | Niobrara | 1,526 |
| Sundance | Crook | 1,292 |
| Basin | Big Horn | 1,282 |
| Mountain View | Uinta | 1,226 |
| Pine Bluffs | Laramie | 1,159 |
| Guernsey | Platte | 1,124 |
| Moorcroft | Crook | 1,084 |
| Upton | Weston | 1,056 |
| Dubois | Fremont | 959 |
| Story | Sheridan | 660 |
| Shoshoni | Fremont | 644 |
| Big Piney | Sublette | 517 |
| Lingle | Goshen | 456 |
| La Grange | Goshen | 442 |
| Hulett | Crook | 427 |
| Baggs | Carbon | 417 |
| Midwest | Natrona | 394 |
| Carpenter | Laramie | 350 |
| Burlington | Big Horn | 342 |
| Meeteetse | Park | 323 |
| Burns | Laramie | 312 |
| Kaycee | Johnson | 278 |
| Freedom | Lincoln | 268 |
| Medicine Bow | Carbon | 259 |
| Ten Sleep | Washakie | 250 |
| Albin | Laramie | 206 |
| Glendo | Platte | 201 |
| Chugwater | Platte | 201 |
| Frannie | Big Horn | 159 |
| Clearmont | Sheridan | 157 |
| Osage | Weston | 152 |
| Farson | Sweetwater | 143 |
| Hyattville | Big Horn | 97 |
| Mammoth | Park | 49 |
| Jeffrey City | Fremont | 29 |
| Arvada | Sheridan | 22 |
| Grand Island | N/A | N/A |
| Billings | N/A | N/A |
| Lake | N/A | N/A |
| Sioux Falls | N/A | N/A |
| Wyola | N/A | N/A |
| Driggs | N/A | N/A |
| Boise | N/A | N/A |
| Scottsbluff | N/A | N/A |
| Gas Hills | N/A | N/A |
| Moran | N/A | N/A |
| Old Faithful | N/A | N/A |
| Spearfish | Lawrence | N/A |
| Clark | N/A | N/A |
| Dayton-ranchester | N/A | N/A |
| Hot Springs | Fall River | N/A |
| Decker | N/A | N/A |
| Montpelier | Bear Lake | N/A |
| Hamilton Dome | N/A | N/A |
| Alzada | N/A | N/A |
| Belle Fourche | Butte | N/A |
The 307 area code spans 27 counties in Wyoming.
| County | Population |
|---|---|
| Butte County | 225,817 |
| Laramie County | 98,320 |
| Lawrence County | 86,727 |
| Natrona County | 80,333 |
| Campbell County | 47,409 |
| Sweetwater County | 43,521 |
| Fremont County | 39,812 |
| Albany County | 38,390 |
| Sheridan County | 30,140 |
| Park County | 29,148 |
| Teton County | 23,280 |
| Uinta County | 20,479 |
| Lincoln County | 19,274 |
| Carbon County | 15,247 |
| Converse County | 13,921 |
| Goshen County | 13,342 |
| Big Horn County | 11,882 |
| Sublette County | 9,880 |
| Platte County | 8,582 |
| Johnson County | 8,487 |
| Washakie County | 8,027 |
| Crook County | 7,472 |
| Weston County | 7,049 |
| Fall River County | 6,747 |
| Bear Lake County | 6,000 |
| Hot Springs County | 4,607 |
| Niobrara County | 2,422 |
Median age: 38.43
Median age in Area Code 307 is 38.43 years. 12.73% of residents are aged 0-9. 13.23% of residents are aged 10-19. The percentage of residents in their twenties is 13.03. 13.98 % are in their thirties, 11.57% in their fourties, 12.08 % in their fifties, and 12.73 % in their sixties. 7.03 % of residents are in their seventies and 3.61 % are eighty and over.
48.89% are female
51.11% are male
51.11% of residents in Area Code 307 are male and 48.89% are female. 51.31% of residents are married and 14.53% are divorced. 28.83% have never been married. 5.34% are widowed. The average size of resident families is 3.08.
Median household income: 64,930.11
55.57% have two income earners
28.53% of households earn $100,000+
Median household income in Area Code 307 is $64,930.11 with 55.57% of families having two income earners. 28.53% of households earn at least $100,000. 2.62% of households have an income under $5,000, 2.24% from $5,000-$10,000, 4.41% from $10,000-$15,000, 3.99% from $15,000-$20,000, 4.19% from $20,000-$25,000, 9.08% from $25,000-$35,000, 12.19% from $35,000-$50,000, 18.85% from $50,000-$75,000, 13.92% from $75,000-$100,000, 16.97% from $100,000-$150,000 and 11.56% over $150,000. The median income of individuals is $34,195.32.
Median home value: $231,788.78
Median rent: $869.75
Rent burden: 26.78%
68.06% of households in Area Code 307 own (rather than rent) their residence. The median value of those homes is $231,788.78. The median rent paid by renters is $869.75 or 26.78% of the median renter's household income.
44.06% have a Science and Engineering degree
7.55% of residents in Area Code 307 have less than a high school education. 28.99% have a high school diploma but no more. 35.29% of residents have some college but no more. 18.19% have a bachelor's degree (or equivalent) but no more. 9.99% have a graduate degree. 44.06% have a Bachelor's degree or higher in a Science and Engineering (or related) field.
17.57 minutes of commute time
66.15% of residents in Area Code 307 16 and older are in the labor force. 4.22% of residents are unemployed. The median commute time of resident workers in Area Code 307 is 17.57 minutes.
12.20% report being Hispanic
86.12% of residents in Area Code 307 report their race as White. 1.38% report their race as Black or African American. 0.85% report their race as Asian. 2.81% report their race as American Indian and Alaska Native. 0.07% report their race as Native Hawaiian and Other Pacific Islander. 3.28% report their race as Some other race. 5.51% report their race as Two or more races. 12.20% report being Hispanic. Note: Hispanic is considered to be an ethnicity and not a race.
13.41% report a disability
1.71% speak limited English
11.89% have no health insurance
9.20% are veterans
13.41% of residents in Area Code 307 report a disability. 1.71% of residents only speak limited English. 11.89% of residents report not having health insurance. 9.20% of residents are veterans.
There are 140 ZIP codes within the 307 area code, covering cities across 27 counties in Wyoming.
| ZIP Code | City | County | Population |
|---|---|---|---|
| 57065 | N/A | N/A | 328 |
| 57104 | N/A | N/A | 26,117 |
| 57651 | N/A | N/A | 127 |
| 57717 | N/A | N/A | 8,184 |
| 57747 | N/A | N/A | 5,563 |
| 57761 | N/A | N/A | 1,587 |
| 57783 | N/A | N/A | 16,394 |
| 59006 | N/A | N/A | 1,364 |
| 59025 | N/A | N/A | 39 |
| 59073 | N/A | N/A | N/A |
| 59075 | N/A | N/A | 266 |
| 59089 | N/A | N/A | 469 |
| 59102 | N/A | N/A | 48,325 |
| 59255 | N/A | N/A | 3,401 |
| 59311 | N/A | N/A | 151 |
| 68777 | N/A | N/A | 502 |
| 68801 | N/A | N/A | 30,176 |
| 69333 | N/A | N/A | 208 |
| 69343 | N/A | N/A | 2,400 |
| 69352 | N/A | N/A | 615 |
| 69361 | N/A | N/A | 17,370 |
| 81642 | N/A | N/A | 12 |
| 81648 | N/A | N/A | 2,530 |
| 81652 | N/A | N/A | 6,038 |
| 81655 | N/A | N/A | 307 |
| 81656 | N/A | N/A | 299 |
| 82001 | N/A | N/A | 37,286 |
| 82006 | N/A | N/A | N/A |
| 82007 | N/A | N/A | 22,436 |
| 82050 | N/A | N/A | 298 |
| 82051 | N/A | N/A | 12 |
| 82053 | N/A | N/A | 1,112 |
| 82054 | N/A | N/A | 938 |
| 82055 | N/A | N/A | 344 |
| 82058 | N/A | N/A | 16 |
| 82060 | N/A | N/A | 528 |
| 82061 | N/A | N/A | N/A |
| 82070 | N/A | N/A | 19,405 |
| 82073 | N/A | N/A | 38 |
| 82082 | N/A | N/A | 1,819 |
| 82084 | N/A | N/A | 78 |
| 82190 | N/A | N/A | 1,057 |
| 82201 | N/A | N/A | 6,793 |
| 82210 | N/A | N/A | 271 |
| 82213 | N/A | N/A | 315 |
| 82214 | N/A | N/A | 1,157 |
| 82215 | N/A | N/A | 217 |
| 82217 | N/A | N/A | 52 |
| 82218 | N/A | N/A | 16 |
| 82221 | N/A | N/A | 506 |
| 82223 | N/A | N/A | 786 |
| 82225 | N/A | N/A | 1,878 |
| 82240 | N/A | N/A | 9,853 |
| 82244 | N/A | N/A | 440 |
| 82301 | N/A | N/A | 8,513 |
| 82310 | N/A | N/A | 24 |
| 82321 | N/A | N/A | 602 |
| 82322 | N/A | N/A | 169 |
| 82327 | N/A | N/A | 794 |
| 82329 | N/A | N/A | 383 |
| 82331 | N/A | N/A | 2,389 |
| 82334 | N/A | N/A | 602 |
| 82336 | N/A | N/A | 243 |
| 82401 | N/A | N/A | 6,990 |
| 82410 | N/A | N/A | 2,080 |
| 82411 | N/A | N/A | 580 |
| 82414 | N/A | N/A | 16,038 |
| 82420 | N/A | N/A | 774 |
| 82422 | N/A | N/A | N/A |
| 82423 | N/A | N/A | 233 |
| 82426 | N/A | N/A | 3,239 |
| 82428 | N/A | N/A | 143 |
| 82431 | N/A | N/A | 3,221 |
| 82433 | N/A | N/A | 1,162 |
| 82435 | N/A | N/A | 11,800 |
| 82440 | N/A | N/A | 225 |
| 82442 | N/A | N/A | 923 |
| 82443 | N/A | N/A | 4,617 |
| 82501 | N/A | N/A | 18,853 |
| 82513 | N/A | N/A | 1,380 |
| 82516 | N/A | N/A | 353 |
| 82520 | N/A | N/A | 13,329 |
| 82523 | N/A | N/A | 918 |
| 82601 | N/A | N/A | 27,638 |
| 82602 | N/A | N/A | N/A |
| 82615 | N/A | N/A | N/A |
| 82620 | N/A | N/A | 243 |
| 82633 | N/A | N/A | 9,478 |
| 82637 | N/A | N/A | 4,229 |
| 82638 | N/A | N/A | 110 |
| 82639 | N/A | N/A | 749 |
| 82642 | N/A | N/A | 42 |
| 82643 | N/A | N/A | 193 |
| 82644 | N/A | N/A | 1,590 |
| 82649 | N/A | N/A | 1,075 |
| 82701 | N/A | N/A | 5,307 |
| 82711 | N/A | N/A | 10 |
| 82712 | N/A | N/A | 348 |
| 82714 | N/A | N/A | N/A |
| 82716 | N/A | N/A | 17,450 |
| 82717 | N/A | N/A | N/A |
| 82718 | N/A | N/A | 25,335 |
| 82720 | N/A | N/A | 723 |
| 82721 | N/A | N/A | 3,247 |
| 82723 | N/A | N/A | 145 |
| 82729 | N/A | N/A | 2,527 |
| 82730 | N/A | N/A | 1,607 |
| 82732 | N/A | N/A | 1,894 |
| 82801 | N/A | N/A | 25,342 |
| 82831 | N/A | N/A | 263 |
| 82834 | N/A | N/A | 7,458 |
| 82835 | N/A | N/A | 385 |
| 82836 | N/A | N/A | 1,050 |
| 82837 | N/A | N/A | 24 |
| 82840 | N/A | N/A | N/A |
| 82842 | N/A | N/A | 435 |
| 82901 | N/A | N/A | 28,180 |
| 82902 | N/A | N/A | N/A |
| 82930 | N/A | N/A | 14,816 |
| 82932 | N/A | N/A | 705 |
| 82934 | N/A | N/A | 127 |
| 82935 | N/A | N/A | 12,403 |
| 82937 | N/A | N/A | 3,302 |
| 82938 | N/A | N/A | 227 |
| 82939 | N/A | N/A | 1,294 |
| 82941 | N/A | N/A | 5,048 |
| 82942 | N/A | N/A | 66 |
| 83001 | N/A | N/A | 17,984 |
| 83011 | N/A | N/A | 335 |
| 83013 | N/A | N/A | 240 |
| 83101 | N/A | N/A | 3,037 |
| 83110 | N/A | N/A | 4,973 |
| 83113 | N/A | N/A | 2,370 |
| 83120 | N/A | N/A | 400 |
| 83234 | N/A | N/A | 1,362 |
| 83254 | N/A | N/A | 3,772 |
| 83350 | N/A | N/A | 12,333 |
| 83422 | N/A | N/A | 3,553 |
| 83656 | N/A | N/A | 757 |
| 83702 | N/A | N/A | 22,966 |
| Prefix | City |
|---|---|
| (307) 200- | Cheyenne |
| (307) 201- | Cheyenne |
| (307) 202- | Casper |
| (307) 203- | Casper |
| (307) 204- | Cheyenne |
| (307) 205- | Grand Island |
| (307) 206- | Cheyenne |
| (307) 207- | |
| (307) 208- | |
| (307) 209- | Cheyenne |
| (307) 210- | Casper |
| (307) 211- | |
| (307) 212- | Cheyenne |
| (307) 213- | Cheyenne |
| (307) 214- | Cheyenne |
| (307) 215- | Casper |
| (307) 216- | Casper |
| (307) 217- | Casper |
| (307) 218- | Cheyenne |
| (307) 219- | Cheyenne |
| (307) 220- | Cheyenne |
| (307) 221- | Cheyenne |
| (307) 222- | Cheyenne |
| (307) 223- | Cheyenne |
| (307) 224- | Cheyenne |
| (307) 225- | Cheyenne |
| (307) 226- | Cheyenne |
| (307) 227- | Billings |
| (307) 228- | Cheyenne |
| (307) 229- | Rock Springs |
| (307) 231- | Cheyenne |
| (307) 232- | Casper |
| (307) 233- | Casper |
| (307) 234- | Casper |
| (307) 235- | Casper |
| (307) 236- | Cheyenne |
| (307) 237- | Casper |
| (307) 238- | Casper |
| (307) 239- | Rock Springs |
| (307) 240- | Cheyenne |
| (307) 241- | Cheyenne |
| (307) 242- | Lake |
| (307) 243- | Casper |
| (307) 244- | Freedom |
| (307) 245- | Pine Bluffs |
| (307) 246- | Albin |
| (307) 247- | Casper |
| (307) 248- | Cheyenne |
| (307) 249- | Cheyenne |
| (307) 250- | Cheyenne |
| (307) 251- | Cheyenne |
| (307) 252- | Rock Springs |
| (307) 253- | Casper |
| (307) 254- | Cheyenne |
| (307) 255- | Evanston |
| (307) 256- | Cheyenne |
| (307) 257- | Cheyenne |
| (307) 258- | Cheyenne |
| (307) 259- | Cheyenne |
| (307) 260- | Mountain View |
| (307) 261- | Casper |
| (307) 262- | Cheyenne |
| (307) 263- | |
| (307) 264- | Casper |
| (307) 265- | Casper |
| (307) 266- | Casper |
| (307) 267- | Casper |
| (307) 268- | Casper |
| (307) 269- | Cheyenne |
| (307) 270- | Mountain View |
| (307) 271- | Cheyenne |
| (307) 272- | Cheyenne |
| (307) 273- | Farson |
| (307) 274- | Cheyenne |
| (307) 275- | Cheyenne |
| (307) 276- | Big Piney |
| (307) 277- | Cheyenne |
| (307) 278- | Cheyenne |
| (307) 279- | |
| (307) 280- | Mountain View |
| (307) 281- | Cheyenne |
| (307) 282- | Cheyenne |
| (307) 283- | Sundance |
| (307) 284- | Casper |
| (307) 285- | Cheyenne |
| (307) 286- | Cheyenne |
| (307) 287- | Cheyenne |
| (307) 288- | Cheyenne |
| (307) 290- | Casper |
| (307) 291- | Cheyenne |
| (307) 292- | Cheyenne |
| (307) 293- | |
| (307) 296- | Casper |
| (307) 297- | Green River |
| (307) 298- | Cheyenne |
| (307) 299- | Casper |
| (307) 300- | Casper |
| (307) 302- | Cheyenne |
| (307) 303- | Cheyenne |
| (307) 304- | Casper |
| (307) 305- | Casper |
| (307) 306- | |
| (307) 307- | |
| (307) 308- | |
| (307) 309- | Casper |
| (307) 310- | Cheyenne |
| (307) 311- | |
| (307) 312- | Sioux Falls |
| (307) 313- | Cheyenne |
| (307) 314- | Cheyenne |
| (307) 315- | Casper |
| (307) 316- | Cheyenne |
| (307) 317- | Cheyenne |
| (307) 318- | Cheyenne |
| (307) 319- | Casper |
| (307) 320- | Mountain View |
| (307) 321- | Cheyenne |
| (307) 322- | Wheatland |
| (307) 323- | Big Piney |
| (307) 324- | Rawlins |
| (307) 325- | Mountain View |
| (307) 326- | Mountain View |
| (307) 327- | Mountain View |
| (307) 328- | Rawlins |
| (307) 329- | Mountain View |
| (307) 330- | Mountain View |
| (307) 331- | Cheyenne |
| (307) 332- | Lander |
| (307) 333- | Casper |
| (307) 334- | Lusk |
| (307) 335- | Lander |
| (307) 336- | Casper |
| (307) 337- | Casper |
| (307) 338- | Grand Island |
| (307) 339- | Mountain View |
| (307) 340- | Cheyenne |
| (307) 341- | Wyola |
| (307) 342- | Cheyenne |
| (307) 343- | Cheyenne |
| (307) 344- | Mammoth |
| (307) 345- | Mountain View |
| (307) 346- | Cheyenne |
| (307) 347- | Worland |
| (307) 348- | Mountain View |
| (307) 349- | Cheyenne |
| (307) 350- | Mountain View |
| (307) 351- | Douglas |
| (307) 352- | Rock Springs |
| (307) 353- | Driggs |
| (307) 354- | Mountain View |
| (307) 355- | Grand Island |
| (307) 356- | Mountain View |
| (307) 358- | Douglas |
| (307) 359- | Cheyenne |
| (307) 360- | Mountain View |
| (307) 361- | Cheyenne |
| (307) 362- | Rock Springs |
| (307) 363- | Cheyenne |
| (307) 364- | Cheyenne |
| (307) 365- | Cheyenne |
| (307) 366- | Ten Sleep |
| (307) 367- | Pinedale |
| (307) 368- | Cheyenne |
| (307) 369- | Cheyenne |
| (307) 370- | Cheyenne |
| (307) 371- | Cheyenne |
| (307) 372- | Cheyenne |
| (307) 373- | Casper |
| (307) 374- | Cheyenne |
| (307) 375- | Worland |
| (307) 376- | Jackson |
| (307) 377- | Mountain View |
| (307) 378- | Mountain View |
| (307) 379- | Medicine Bow |
| (307) 380- | Mountain View |
| (307) 381- | Cheyenne |
| (307) 382- | Rock Springs |
| (307) 383- | Baggs |
| (307) 384- | Cheyenne |
| (307) 386- | Mountain View |
| (307) 387- | Cheyenne |
| (307) 388- | Casper |
| (307) 389- | Cheyenne |
| (307) 390- | Mountain View |
| (307) 391- | Casper |
| (307) 392- | Boise |
| (307) 393- | Cheyenne |
| (307) 394- | Casper |
| (307) 395- | Cheyenne |
| (307) 396- | Cheyenne |
| (307) 397- | Cheyenne |
| (307) 398- | Cheyenne |
| (307) 399- | Cheyenne |
| (307) 400- | Cheyenne |
| (307) 401- | Scottsbluff |
| (307) 402- | Cheyenne |
| (307) 403- | Cheyenne |
| (307) 404- | Cheyenne |
| (307) 406- | |
| (307) 407- | Sioux Falls |
| (307) 408- | Cheyenne |
| (307) 409- | Scottsbluff |
| (307) 410- | Casper |
| (307) 411- | |
| (307) 413- | Jackson |
| (307) 414- | Cheyenne |
| (307) 417- | Casper |
| (307) 419- | Casper |
| (307) 421- | Cheyenne |
| (307) 422- | Chugwater |
| (307) 423- | Cheyenne |
| (307) 425- | Sheridan |
| (307) 426- | Cheyenne |
| (307) 429- | Cheyenne |
| (307) 431- | Cheyenne |
| (307) 432- | Cheyenne |
| (307) 433- | Cheyenne |
| (307) 436- | Glenrock |
| (307) 437- | Midwest |
| (307) 438- | Cheyenne |
| (307) 439- | Cheyenne |
| (307) 440- | Casper |
| (307) 441- | Cheyenne |
| (307) 443- | Cheyenne |
| (307) 444- | |
| (307) 445- | Cheyenne |
| (307) 447- | Cheyenne |
| (307) 448- | Cheyenne |
| (307) 450- | Mountain View |
| (307) 455- | Dubois |
| (307) 456- | Casper |
| (307) 457- | Gas Hills |
| (307) 458- | Cheyenne |
| (307) 459- | Cheyenne |
| (307) 460- | Cheyenne |
| (307) 461- | Cheyenne |
| (307) 462- | Cheyenne |
| (307) 463- | Cheyenne |
| (307) 464- | Wright |
| (307) 465- | Osage |
| (307) 466- | Cheyenne |
| (307) 467- | Hulett |
| (307) 468- | Upton |
| (307) 469- | Hyattville |
| (307) 470- | |
| (307) 472- | Casper |
| (307) 473- | Casper |
| (307) 475- | Cheyenne |
| (307) 477- | Mountain View |
| (307) 480- | Casper |
| (307) 481- | Casper |
| (307) 486- | Dubois |
| (307) 487- | Cheyenne |
| (307) 488- | Cheyenne |
| (307) 489- | Cheyenne |
| (307) 497- | |
| (307) 500- | Boise |
| (307) 509- | Cheyenne |
| (307) 511- | |
| (307) 514- | Cheyenne |
| (307) 520- | Mountain View |
| (307) 522- | Cheyenne |
| (307) 527- | Cody |
| (307) 529- | Cheyenne |
| (307) 532- | Torrington |
| (307) 533- | Cheyenne |
| (307) 534- | Torrington |
| (307) 536- | |
| (307) 537- | Pinedale |
| (307) 540- | Mountain View |
| (307) 541- | Mountain View |
| (307) 543- | Moran |
| (307) 544- | Jeffrey City |
| (307) 545- | Old Faithful |
| (307) 547- | Burns |
| (307) 548- | Lovell |
| (307) 549- | Mountain View |
| (307) 554- | Casper |
| (307) 555- | Cheyenne |
| (307) 556- | Cheyenne |
| (307) 558- | |
| (307) 559- | |
| (307) 567- | Mountain View |
| (307) 568- | Basin |
| (307) 575- | Grand Island |
| (307) 576- | Driggs |
| (307) 577- | Casper |
| (307) 578- | Cody |
| (307) 586- | Basin |
| (307) 587- | Cody |
| (307) 600- | Mountain View |
| (307) 605- | |
| (307) 611- | |
| (307) 620- | Cheyenne |
| (307) 621- | Cheyenne |
| (307) 622- | Casper |
| (307) 624- | Casper |
| (307) 629- | Casper |
| (307) 630- | Cheyenne |
| (307) 631- | Cheyenne |
| (307) 632- | Cheyenne |
| (307) 633- | Cheyenne |
| (307) 634- | Cheyenne |
| (307) 635- | Cheyenne |
| (307) 637- | Cheyenne |
| (307) 638- | Cheyenne |
| (307) 640- | Cheyenne |
| (307) 643- | Spearfish |
| (307) 645- | Clark |
| (307) 649- | Carpenter |
| (307) 650- | Cheyenne |
| (307) 654- | Freedom |
| (307) 655- | Dayton-ranchester |
| (307) 656- | Rock Springs |
| (307) 660- | Casper |
| (307) 663- | Hot Springs |
| (307) 664- | Frannie |
| (307) 666- | Cheyenne |
| (307) 667- | Casper |
| (307) 670- | Cheyenne |
| (307) 672- | Sheridan |
| (307) 673- | Sheridan |
| (307) 674- | Sheridan |
| (307) 675- | Sheridan |
| (307) 677- | Cheyenne |
| (307) 679- | Cheyenne |
| (307) 680- | Casper |
| (307) 681- | Gillette |
| (307) 682- | Gillette |
| (307) 683- | Story |
| (307) 684- | Buffalo |
| (307) 685- | Gillette |
| (307) 686- | Gillette |
| (307) 687- | Gillette |
| (307) 688- | Gillette |
| (307) 689- | Cheyenne |
| (307) 690- | Cheyenne |
| (307) 696- | Casper |
| (307) 699- | Cheyenne |
| (307) 700- | |
| (307) 701- | Mountain View |
| (307) 702- | Mountain View |
| (307) 703- | Mountain View |
| (307) 704- | Mountain View |
| (307) 705- | Mountain View |
| (307) 706- | Mountain View |
| (307) 707- | Mountain View |
| (307) 708- | Mountain View |
| (307) 709- | Mountain View |
| (307) 710- | Mountain View |
| (307) 711- | |
| (307) 712- | Mountain View |
| (307) 713- | Mountain View |
| (307) 714- | Mountain View |
| (307) 715- | Mountain View |
| (307) 716- | Mountain View |
| (307) 717- | Mountain View |
| (307) 718- | Mountain View |
| (307) 719- | Mountain View |
| (307) 720- | Mountain View |
| (307) 721- | Laramie |
| (307) 722- | Mountain View |
| (307) 723- | Mountain View |
| (307) 724- | Mountain View |
| (307) 725- | |
| (307) 727- | Mountain View |
| (307) 728- | Mountain View |
| (307) 730- | Mountain View |
| (307) 731- | Mountain View |
| (307) 732- | Jackson |
| (307) 733- | Jackson |
| (307) 734- | Jackson |
| (307) 735- | Glendo |
| (307) 736- | Arvada |
| (307) 737- | Sheridan |
| (307) 738- | Kaycee |
| (307) 739- | Jackson |
| (307) 740- | Mountain View |
| (307) 741- | Mountain View |
| (307) 742- | Laramie |
| (307) 744- | Mountain View |
| (307) 745- | Laramie |
| (307) 746- | Newcastle |
| (307) 747- | Mountain View |
| (307) 749- | Mountain View |
| (307) 750- | Decker |
| (307) 751- | Casper |
| (307) 752- | Cheyenne |
| (307) 754- | Powell |
| (307) 755- | Laramie |
| (307) 756- | Moorcroft |
| (307) 757- | Cheyenne |
| (307) 758- | Clearmont |
| (307) 759- | Mountain View |
| (307) 760- | Cheyenne |
| (307) 761- | Cheyenne |
| (307) 762- | Burlington |
| (307) 763- | Cheyenne |
| (307) 764- | Basin |
| (307) 765- | Greybull |
| (307) 766- | Laramie |
| (307) 770- | |
| (307) 771- | Cheyenne |
| (307) 772- | Cheyenne |
| (307) 773- | Cheyenne |
| (307) 774- | Rock Springs |
| (307) 775- | Cheyenne |
| (307) 776- | Cheyenne |
| (307) 777- | Cheyenne |
| (307) 778- | Cheyenne |
| (307) 779- | Mountain View |
| (307) 780- | Mountain View |
| (307) 782- | Mountain View |
| (307) 783- | Evanston |
| (307) 785- | Sioux Falls |
| (307) 786- | Mountain View |
| (307) 787- | Mountain View |
| (307) 788- | Lyman |
| (307) 789- | Evanston |
| (307) 790- | Mountain View |
| (307) 797- | Casper |
| (307) 798- | Mountain View |
| (307) 799- | Mountain View |
| (307) 800- | Casper |
| (307) 811- | |
| (307) 823- | Cheyenne |
| (307) 828- | Kemmerer |
| (307) 829- | Cheyenne |
| (307) 834- | La Grange |
| (307) 836- | Guernsey |
| (307) 837- | Lingle |
| (307) 840- | Cheyenne |
| (307) 849- | Montpelier |
| (307) 850- | Mountain View |
| (307) 851- | Cheyenne |
| (307) 854- | Riverton |
| (307) 855- | Riverton |
| (307) 856- | Riverton |
| (307) 857- | Riverton |
| (307) 858- | Mountain View |
| (307) 859- | Pinedale |
| (307) 864- | Thermopolis |
| (307) 867- | Hamilton Dome |
| (307) 868- | Meeteetse |
| (307) 870- | Mountain View |
| (307) 871- | Cheyenne |
| (307) 872- | Green River |
| (307) 874- | Mountain View |
| (307) 875- | Green River |
| (307) 876- | Shoshoni |
| (307) 877- | Kemmerer |
| (307) 878- | Alzada |
| (307) 880- | Rock Springs |
| (307) 881- | Wheatland |
| (307) 883- | Freedom |
| (307) 884- | Mountain View |
| (307) 885- | Freedom |
| (307) 886- | Afton |
| (307) 887- | Rock Springs |
| (307) 888- | |
| (307) 890- | Mountain View |
| (307) 895- | Cheyenne |
| (307) 896- | Belle Fourche |
| (307) 899- | Casper |
| (307) 900- | Cheyenne |
| (307) 910- | Cheyenne |
| (307) 911- | |
| (307) 920- | Cheyenne |
| (307) 921- | Cheyenne |
| (307) 922- | Cheyenne |
| (307) 939- | Wright |
| (307) 941- | Cheyenne |
| (307) 949- | Cheyenne |
| (307) 950- | |
| (307) 958- | |
| (307) 959- | |
| (307) 970- | |
| (307) 976- | |
| (307) 977- | Mountain View |
| (307) 988- | |
| (307) 995- | Casper |
| (307) 996- | Cheyenne |
| (307) 999- | Cheyenne |