Prefix 415-528 — San Francisco:juniper Da, CA
- Area code
- 415
- Prefix (NXX)
- 528
- Rate center
- San Francisco:juniper Da
- State
- California
- Time zone
- Pacific
- Code holder
- LEVEL 3 COMMUNICATIONS, LLC - CA
- OCN
- 8826
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2012-01-30
- LATA
- 722
The 415-528 prefix belongs to area code 415 and is anchored to the San Francisco:juniper Da rate center (CA). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
San Francisco:juniper 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.
Code-holder of record: LEVEL 3 COMMUNICATIONS, LLC - CA (OCN 8826), assigned January 30, 2012. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 415-528 numbers may be served by different companies.
Caller ID showing 415-528 is not proof the call came from San Francisco:juniper 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 |
|---|---|---|
| 415-525 | San Francisco:central Da | UTILITY TELECOM GROUP, LLC - CA |
| 415-526 | San Rafael | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
| 415-527 | San Francisco:central Da | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
| 415-529 | San Francisco:central Da | ONVOY, LLC - CA |
| 415-530 | San Francisco:central Da | LEVEL 3 COMMUNICATIONS, LLC - CA |
| 415-531 | San Francisco:central Da | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
FAQ
Where is 415-528 located?
The prefix is assigned to the San Francisco:juniper Da rate center in CA, area code 415. It is part of the San Francisco-Oakland-Fremont, CA Metropolitan Statistical Area.
Which company owns 415-528 numbers?
LEVEL 3 COMMUNICATIONS, 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 415-528 safe to answer?
The prefix itself says nothing about the caller. Legitimate San Francisco:juniper Da businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.