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Phone Lookup For Area Code 628

What is the 628 area code?

State California
Time Zone Pacific Time

The 628 area code is located in the state of California, and according to Intelius data, covers roughly 1,731 phone numbers. San Francisco is the largest city within this area code with a population of about 808,437.

Have you received a call from a number with a 628 area code? Figure out who is calling you by performing a reverse phone lookup search. Intelius can provide you with a phone report that includes (when available) original line type and carrier, the number owner’s name, last known address and past addresses, age, possible relatives, and more.

Read our blog for more information about area codes!

Top cities in the (628) area code

  1. San Francisco
    County San Francisco
    Population 808,437
  2. Milpitas
    County Marin
    Population 256,018

628 Stats

Number of Prefixes
172
Number of Cellphones
621
Number of Land Lines
1,110

Area Code (628) Prefixes

Prefix
COUNTY
City
CARRIER
TYPE
County San Francisco
City San Francisco
Carrier Verizon Wireless
Type Wireless, PCS, Cellular
County San Francisco
City San Jose
Carrier Peerless Network
Type VoIP
County Marin
City San Jose
Carrier TELNYX
Type VoIP
County Marin
City San Francisco
Carrier Onvoy
Type Landline
County Marin
City San Jose
Carrier T-Mobile
Type Wireless, PCS, Cellular
County San Francisco
City Hayward
Carrier Verizon Wireless
Type Wireless, PCS, Cellular
County San Francisco
City San Francisco 25th St
Carrier AT&T
Type Landline
County San Francisco
City Santa Rosa
Carrier T-Mobile
Type VoIP
County Marin
City San Jose
Carrier Vonage Network
Type Wireless, PCS, Cellular
County Marin
City San Jose
Carrier TELNYX
Type VoIP