Prefix 415-523 — San Francisco:central Da, CA
- Area code
- 415
- Prefix (NXX)
- 523
- Rate center
- San Francisco:central Da
- State
- California
- Time zone
- Pacific
- Code holder
- PEERLESS NETWORK OF CALIFORNIA, LLC - CA
- OCN
- 373F
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2011-06-14
- LATA
- 722
Numbers in the 415-523 prefix are registered to the San Francisco:central Da rate center in CA, inside area code 415. The prefix is the second block of a ten-digit US number (415-523-XXXX) and pins the number to a billing locality.
NANPA's central-office code records list PEERLESS NETWORK OF CALIFORNIA, LLC - CA (OCN 373F) as the code holder, assigned June 14, 2011. Because 415-523 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
The rate center lies in the San Francisco-Oakland-Fremont, CA Metropolitan Statistical Area. The serving LATA is 722. Local time follows the Pacific zone.
Spoofing means this prefix on your screen doesn't guarantee a San Francisco:central Da caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 415-520 | San Francisco:central Da | ONVOY, LLC - CA |
| 415-521 | San Rafael | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 415-522 | San Francisco:central Da | PACIFIC BELL |
| 415-524 | San Rafael | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
| 415-525 | San Francisco:central Da | UTILITY TELECOM GROUP, LLC - CA |
| 415-526 | San Rafael | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
FAQ
Where is 415-523 located?
The prefix is assigned to the San Francisco:central Da rate center in CA, area code 415. It is part of the San Francisco-Oakland-Fremont, CA Metropolitan Statistical Area.
Which company owns 415-523 numbers?
PEERLESS NETWORK OF CALIFORNIA, LLC - CA holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.
Is a call from 415-523 safe to answer?
The prefix itself says nothing about the caller. Legitimate San Francisco:central Da businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.