510 Area Code
The 510 area code serves Fremont-Newark, Hayward, Oakland, Richmond in United States. Learn the cities and counties covered, the time zone, dialing format, and how to get a local 510 business number.
Cities & regions in the 510 area code (4)
Frequently asked questions
What area code is 510?+
510 is a North American Numbering Plan (NANP) area code in United States, primarily covering Fremont-Newark, Hayward, Oakland, Richmond.
Where is the 510 area code located?+
The 510 area code is located in United States. It operates on Pacific Time (PT).
How do you dial the 510 area code from abroad?+
Dial your country's international exit code, then +1 510 followed by the 7-digit local number. From inside the US/Canada, dial 1 510 XXX-XXXX.
Can I get a 510 phone number for my business?+
Yes. AstraQom provisions local 510 DID numbers for SIP trunking, hosted PBX, contact centers and toll-free porting — usually within minutes, with no long-term contract.
Get a local 510 number for your business
Local presence in seconds. Hosted PBX, SIP trunking and contact-center routing on Tier-1 carriers with 24/7 human support.
AstraQom is an independent global telecom carrier serving 117 countries. We provision local 510 DID numbers, SIP trunks, hosted PBX, contact-center routing and SD-WAN — all on Tier-1 carrier infrastructure with no grey termination and 24/7 multilingual support.