Prefix 408-675 — Sunnyvale, CA
Numbers in the 408-675 prefix are registered to the Sunnyvale rate center in CA, inside area code 408. The prefix is the second block of a ten-digit US number (408-675-XXXX) and pins the number to a billing locality.
The assigned code holder is LEVEL 3 COMMUNICATIONS, LLC - CA, operating company number 8826, assigned June 4, 2010. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
The rate center lies in the San Jose-Sunnyvale-Santa Clara, 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 Sunnyvale caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 408-672 | Salinas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 408-673 | San Jose:west Da | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 408-674 | San Jose:west Da | NEW CINGULAR WIRELESS PCS, LLC |
| 408-676 | San Martin | ONVOY, LLC - CA |
| 408-677 | San Jose:south Da | T-MOBILE USA, INC. |
| 408-678 | San Jose:north Da | TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
FAQ
Where is 408-675 located?
The prefix is assigned to the Sunnyvale rate center in CA, area code 408. It is part of the San Jose-Sunnyvale-Santa Clara, CA Metropolitan Statistical Area.
Which company owns 408-675 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 408-675 safe to answer?
The prefix itself says nothing about the caller. Legitimate Sunnyvale businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.