Where is Area Code 628?

Located in the state of California (CA)

Area Code 628


Area Code 628

The 628 Area Code is located in the state of California. Area Code 628 is one of the 312 three-digit telephone area codes in the USA. It covers roughly 25,643 unique phone numbers and 6,873,645 individuals near the cities of San Francisco-Oakland-Hayward.
State:California (CA)
Metro Area
Metro Area:San Francisco-Oakland-Hayward
Estimated Population
Est. Population:6,873,645
Nearby Area Codes
Nearby Area Codes:415, 510, 628, 650, 707, 925
Phone Prefixes
Phone Prefixes:48
Phone Numbers
Phone Numbers: 25,643

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