Prefix 415-510 — San Francisco:central Da, CA
- Area code
- 415
- Prefix (NXX)
- 510
- Rate center
- San Francisco:central Da
- State
- California
- Time zone
- Pacific
- Code holder
- LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
- OCN
- 7718
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2014-12-09
- LATA
- 722
415-510 identifies a block of numbers in San Francisco:central Da, CA, within the 415 area code. Every US prefix is tied to exactly one rate center; this one is San Francisco:central Da.
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.
Treat the on-screen number as a hint, not evidence — 415-510 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.
Code-holder of record: LEVEL 3 TELECOM OF CALIFORNIA, LP - CA (OCN 7718), assigned December 9, 2014. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 415-510 numbers may be served by different companies.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 415-507 | San Rafael | PACIFIC BELL |
| 415-508 | San Francisco:juniper Da | PACIFIC BELL |
| 415-509 | San Francisco:central Da | NEW CINGULAR WIRELESS PCS, LLC |
| 415-512 | San Francisco:central Da | PACIFIC BELL |
| 415-513 | San Francisco:central Da | LEVEL 3 COMMUNICATIONS, LLC - CA |
| 415-514 | San Francisco:montrose-evergreen Da | PACIFIC BELL |
FAQ
Where is 415-510 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 415-510 numbers?
LEVEL 3 TELECOM OF CALIFORNIA, LP - 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 415-510 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.