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628 Area Code

State: California
Major City: San Francisco
Timezone: Pacific (PDT)
Current Time: 9:38 PM

About the 628 Area Code

Area code 628 is a telephone area code in California serving San Francisco and surrounding communities. The 628 area code is in the Pacific Time Zone (PDT). The current local time in the 628 area code is 9:38 PM.

The 628 area code covers 9 cities, 6 counties, and 28 zip codes in California. The estimated total population across all zip codes in the 628 area code is 685,041. The largest cities served by the 628 area code include San Francisco (pop. 3,592,294), San Jose (pop. 1,798,103), Concord (pop. 652,308), Oakland (pop. 433,031) and Stockton (pop. 397,264) .

California has 36 area codes in total. Other area codes in California include 209 (Fresno), 213 (Los Angeles), 279 (Sacramento), 310 (Los Angeles), 323 (Los Angeles), 341 (San Francisco), 408 (San Francisco) and 415 (Los Angeles) . The 628 area code has 159 telephone prefixes (exchanges) assigned to it.

628 Area Code at a Glance

State California
Major City San Francisco
Time Zone Pacific (PDT)
Current Time 9:38 PM
Population 685,041
Cities 9
Counties 6
ZIP Codes 28
Prefixes 159
Median Income $126,136.95
Median Age 38.70

Cities in the 628 Area Code

9 cities use the 628 area code in California.

City County Population
San Francisco San Francisco 3,592,294
San Jose Santa Clara 1,798,103
Concord Contra Costa 652,308
Oakland Alameda 433,031
Stockton San Joaquin 397,264
Santa Rosa Sonoma 324,634
Hayward Alameda 159,203
Sunnyvale Santa Clara 152,703
Santa Clara Santa Clara 130,365

Counties in the 628 Area Code

The 628 area code spans 6 counties in California.

County Population
Santa Clara County 1,927,470
Alameda County 1,656,754
Contra Costa County 1,142,251
San Francisco County 874,961
San Joaquin County 742,603
Sonoma County 499,772

Age Distribution

Median age: 38.70

Median age in Area Code 628 is 38.70 years. 10.42% of residents are aged 0-9. 10.27% of residents are aged 10-19. The percentage of residents in their twenties is 14.50. 18.15 % are in their thirties, 14.15% in their fourties, 12.92 % in their fifties, and 10.53 % in their sixties. 5.85 % of residents are in their seventies and 3.18 % are eighty and over.

Demographics

49.00% are female
51.00% are male

51.00% of residents in Area Code 628 are male and 49.00% are female. 47.40% of residents are married and 10.28% are divorced. 38.08% have never been married. 4.21% are widowed. The average size of resident families is 3.30.

Household Income

Median household income: 126,136.95
61.95% have two income earners
56.69% of households earn $100,000+

Median household income in Area Code 628 is $126,136.95 with 61.95% of families having two income earners. 56.69% of households earn at least $100,000. 2.33% of households have an income under $5,000, 1.60% from $5,000-$10,000, 3.46% from $10,000-$15,000, 2.44% from $15,000-$20,000, 2.31% from $20,000-$25,000, 4.61% from $25,000-$35,000, 6.50% from $35,000-$50,000, 10.50% from $50,000-$75,000, 9.54% from $75,000-$100,000, 16.63% from $100,000-$150,000 and 40.06% over $150,000. The median income of individuals is $57,752.75.

Home Ownership and Rents

Median home value: $954,635.02
Median rent: $2,332.63
Rent burden: 30.67%

49.97% of households in Area Code 628 own (rather than rent) their residence. The median value of those homes is $954,635.02. The median rent paid by renters is $2,332.63 or 30.67% of the median renter's household income.

Education

54.96% have a Science and Engineering degree

11.26% of residents in Area Code 628 have less than a high school education. 15.63% have a high school diploma but no more. 23.73% of residents have some college but no more. 28.44% have a bachelor's degree (or equivalent) but no more. 20.93% have a graduate degree. 54.96% have a Bachelor's degree or higher in a Science and Engineering (or related) field.

Employment

31.07 minutes of commute time

70.10% of residents in Area Code 628 16 and older are in the labor force. 4.70% of residents are unemployed. The median commute time of resident workers in Area Code 628 is 31.07 minutes.

Races

26.28% report being Hispanic

41.45% of residents in Area Code 628 report their race as White. 5.59% report their race as Black or African American. 28.48% report their race as Asian. 0.78% report their race as American Indian and Alaska Native. 0.88% report their race as Native Hawaiian and Other Pacific Islander. 12.82% report their race as Some other race. 9.99% report their race as Two or more races. 26.28% report being Hispanic. Note: Hispanic is considered to be an ethnicity and not a race.

Other Statistics

9.41% report a disability
8.91% speak limited English
5.02% have no health insurance
3.46% are veterans

9.41% of residents in Area Code 628 report a disability. 8.91% of residents only speak limited English. 5.02% of residents report not having health insurance. 3.46% of residents are veterans.

ZIP Codes in the 628 Area Code

There are 28 ZIP codes within the 628 area code, covering cities across 6 counties in California.

ZIP Code City County Population
94063 N/A N/A 35,163
94064 N/A N/A N/A
94066 N/A N/A 43,846
94070 N/A N/A 31,477
94080 N/A N/A 66,652
94083 N/A N/A N/A
94103 N/A N/A 32,430
94104 N/A N/A 504
94107 N/A N/A 28,607
94108 N/A N/A 11,963
94110 N/A N/A 70,859
94111 N/A N/A 4,707
94126 N/A N/A N/A
94143 N/A N/A N/A
94506 N/A N/A 27,375
94520 N/A N/A 36,107
94530 N/A N/A 26,461
94545 N/A N/A 33,496
94590 N/A N/A 38,012
94607 N/A N/A 27,022
95036 N/A N/A N/A
95054 N/A N/A 24,404
95120 N/A N/A 38,358
95134 N/A N/A 31,172
95159 N/A N/A N/A
95202 N/A N/A 5,976
95377 N/A N/A 33,630
95401 N/A N/A 36,820

Frequently Asked Questions

Area code 628 is located in California and primarily serves the San Francisco area. It covers 9 cities and 6 counties.

Area code 628 is in the Pacific Time Zone (PDT). The current local time is 9:38 PM.

The 628 area code covers 9 cities including San Francisco, San Jose, Concord, Oakland, Stockton, Santa Rosa, Hayward, Sunnyvale and Santa Clara . The largest city is San Francisco with a population of 3,592,294.

Area code 628 is in California. Other area codes in California include 209, 213, 279, 310, 323, 341, 408 and 415 .

To call a 628 number from within the United States, dial 1-628-XXX-XXXX (where XXX-XXXX is the local number). From outside the US, dial your country's exit code, then +1-628-XXX-XXXX.

The 628 area code covers 6 counties in California, including Santa Clara County, Alameda County, Contra Costa County, San Francisco County, San Joaquin County and Sonoma County .

There are 28 ZIP codes in the 628 area code. Some of the ZIP codes include 94063, 94064, 94066, 94070, 94080, 94083, 94103, 94104, 94107 and 94108 . See the full list of ZIP codes above.

The estimated population of the 628 area code is 685,041. This is based on the combined population of all 28 ZIP codes within the area code. The largest city by population is San Francisco with 3,592,294 residents.

No, 628 is not a toll-free area code. It is a geographic area code assigned to California. Toll-free area codes in the US include 800, 833, 844, 855, 866, 877, and 888.

The 628 area code is a legitimate area code serving San Francisco, California. However, scammers can spoof any area code using technology to make calls appear to come from a local number. If you receive a suspicious call from the 628 area code, do not provide personal information and report it to the FTC at reportfraud.ftc.gov.

California has 36 area codes. Besides 628, the other area codes in California are 209 (Fresno), 213 (Los Angeles), 279 (Sacramento), 310 (Los Angeles), 323 (Los Angeles), 341 (San Francisco), 408 (San Francisco), 415 (Los Angeles), 424 (Los Angeles), 442 (Los Angeles), 510 (Los Angeles), 530 (San Francisco), 559 (Los Angeles), 562 (Los Angeles), 619 (Los Angeles), 626 (Los Angeles), 650 (San Francisco), 657 (Los Angeles), 661 (Los Angeles), 669 (San Francisco), 707 (San Francisco), 714 (Los Angeles), 747 (Los Angeles), 760 (Los Angeles), 805 (Los Angeles), 818 (Los Angeles), 820 (Los Angeles), 831 (San Francisco), 840 (Riverside), 858 (San Diego), 909 (Los Angeles), 916 (Sacramento), 925 (San Francisco), 949 (Los Angeles) and 951 (Los Angeles) . View all California area codes.

Prefixes in Area Code 628

Prefix City
(628) 200- Stockton
(628) 201- San Francisco
(628) 202- Oakland
(628) 203- San Francisco
(628) 204- Oakland
(628) 205- Hayward
(628) 206- San Francisco
(628) 207- San Francisco
(628) 208-
(628) 209-
(628) 210- San Jose
(628) 211-
(628) 212- San Francisco
(628) 213- Oakland
(628) 214- San Jose
(628) 215- San Francisco
(628) 216- San Francisco
(628) 217- Santa Rosa
(628) 218- Hayward
(628) 219- Santa Clara
(628) 220- San Francisco
(628) 221- Sunnyvale
(628) 222- San Francisco
(628) 223- San Francisco
(628) 224- Santa Clara
(628) 225- Hayward
(628) 226- Concord
(628) 227- San Francisco
(628) 228- San Francisco
(628) 229- San Francisco
(628) 230- Hayward
(628) 231- San Francisco
(628) 232- San Jose
(628) 233- Santa Clara
(628) 234- San Jose
(628) 235- San Francisco
(628) 236- Oakland
(628) 237- Oakland
(628) 238- San Francisco
(628) 239- San Francisco
(628) 240- Oakland
(628) 241- Oakland
(628) 242- San Francisco
(628) 243- San Francisco
(628) 244- San Jose
(628) 245- San Francisco
(628) 246- San Francisco
(628) 247- Santa Rosa
(628) 248- Santa Rosa
(628) 249- Hayward
(628) 250- Hayward
(628) 251- San Jose
(628) 252- Oakland
(628) 253- San Francisco
(628) 254- San Francisco
(628) 255- Hayward
(628) 256-
(628) 257-
(628) 258- Oakland
(628) 259- Concord
(628) 260- San Francisco
(628) 261-
(628) 262- San Francisco
(628) 263- Hayward
(628) 264- Oakland
(628) 265- San Francisco
(628) 266- San Francisco
(628) 267- Santa Rosa
(628) 268- San Francisco
(628) 269- Oakland
(628) 270-
(628) 271- San Francisco
(628) 272- San Francisco
(628) 273- San Francisco
(628) 274- San Francisco
(628) 275- San Francisco
(628) 276- San Francisco
(628) 277-
(628) 278- Santa Clara
(628) 279- San Francisco
(628) 280-
(628) 282- San Francisco
(628) 283- Oakland
(628) 286- San Francisco
(628) 288-
(628) 299-
(628) 300- San Francisco
(628) 311-
(628) 312- Santa Clara
(628) 313- Oakland
(628) 333- San Francisco
(628) 336-
(628) 345-
(628) 348-
(628) 356-
(628) 358-
(628) 363- Hayward
(628) 377-
(628) 388-
(628) 399-
(628) 400- San Francisco
(628) 411-
(628) 415-
(628) 432-
(628) 433- San Francisco
(628) 444- San Francisco
(628) 465-
(628) 466-
(628) 468- San Francisco
(628) 477-
(628) 488-
(628) 500- San Francisco
(628) 502- Hayward
(628) 511-
(628) 529-
(628) 555-
(628) 561- San Jose
(628) 577-
(628) 587-
(628) 588-
(628) 600- San Francisco
(628) 611-
(628) 628-
(628) 629- San Francisco
(628) 652- Santa Rosa
(628) 666- Stockton
(628) 667-
(628) 677-
(628) 682- San Francisco
(628) 688-
(628) 699-
(628) 700-
(628) 711-
(628) 724-
(628) 732-
(628) 758-
(628) 766-
(628) 777- Stockton
(628) 786-
(628) 788-
(628) 800- San Francisco
(628) 811-
(628) 842-
(628) 866-
(628) 867-
(628) 877- San Francisco
(628) 888- Stockton
(628) 895- San Francisco
(628) 899- San Jose
(628) 900- Stockton
(628) 911-
(628) 946-
(628) 950-
(628) 958-
(628) 959-
(628) 976-
(628) 977-
(628) 988-
(628) 999- Stockton