Prefix 415-343 — San Francisco:central Da, CA
- Area code
- 415
- Prefix (NXX)
- 343
- Rate center
- San Francisco:central Da
- State
- California
- Time zone
- Pacific
- Code holder
- MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA
- OCN
- 7240
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2001-05-11
- LATA
- 722
Numbers in the 415-343 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 (415-343-XXXX) and pins the number to a billing locality.
Code-holder of record: MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA (OCN 7240), assigned May 11, 2001. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 415-343 numbers may be served by different companies.
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 |
|---|---|---|
| 415-340 | San Francisco:montrose-evergreen Da | BANDWIDTH.COM CLEC, LLC - CA |
| 415-341 | San Francisco:central Da | ASTOUND BROADBAND, LLC - CA |
| 415-342 | San Rafael | NEW CINGULAR WIRELESS PCS, LLC |
| 415-344 | San Francisco:central Da | PACIFIC BELL |
| 415-345 | San Francisco:central Da | PACIFIC BELL |
| 415-346 | San Francisco:central Da | PACIFIC BELL |
FAQ
Where is 415-343 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 415-343 numbers?
MCIMETRO ACCESS TRANSMISSION SERVICES 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 415-343 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.