Prefix 415-757 — San Francisco:central Da, CA
- Area code
- 415
- Prefix (NXX)
- 757
- Rate center
- San Francisco:central Da
- State
- California
- Time zone
- Pacific
- Code holder
- NUSO, LLC
- OCN
- 551G
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2012-11-06
- LATA
- 722
The 415-757 prefix belongs to area code 415 and is anchored to the San Francisco:central Da rate center (CA). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
San Francisco:central Da is part of the San Francisco-Oakland-Fremont, CA Metropolitan Statistical Area. For routing purposes it sits in LATA 722. Numbers here keep Pacific time.
NANPA's central-office code records list NUSO, LLC (OCN 551G) as the code holder, assigned November 6, 2012. Because 415-757 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
Caller ID showing 415-757 is not proof the call came from San Francisco:central Da: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 415-754 | Sausalito | BANDWIDTH.COM CLEC, LLC - CA |
| 415-755 | San Rafael | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
| 415-756 | San Francisco:central Da | METROPCS, INC. |
| 415-758 | Corte Madera | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
| 415-759 | San Francisco:montrose-evergreen Da | PACIFIC BELL |
| 415-760 | San Francisco:central Da | METROPCS, INC. |
FAQ
Where is 415-757 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 415-757 numbers?
NUSO, LLC 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 415-757 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.