510-521 phone numbers
Where is (510) 521-xxxx from?
Alameda, CA
Original carrier: Pacific Bell (AT&T). Local time: … (Pacific Time)
| Area code | 510 |
|---|---|
| Prefix | 521 |
| City | Alameda, CA |
| State | California |
| Original carrier | Pacific Bell (AT&T) |
| Number range | (510) 521-0000 to (510) 521-9999 |
| Time zone | Pacific Time |
| Overlay area codes | 341 |
Look up another number
Other Alameda prefixes in area code 510
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- 254
- 263
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- 337
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- 522
- 523
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- 671
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- 800
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- 871
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- 905
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Nearby prefixes in 510
Questions
- Where is 510-521 located?
- Phone numbers starting with (510) 521 were assigned in Alameda, California. People keep their numbers when they move, so the caller may be somewhere else.
- What carrier is 510-521?
- The 510-521 prefix was assigned to Pacific Bell (AT&T). Numbers can be ported to other carriers, so the current carrier may be different.
- What time zone is 510-521 in?
- Alameda, CA is in Pacific Time.
- Is a call from 510-521 a scam?
- The prefix alone can’t tell you. Scammers can fake (“spoof”) any number, including local-looking ones. If you don’t recognize a 510-521 number, let it go to voicemail and don’t share codes or payment details.
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