Prefix 408-419 — Sunnyvale, CA
Numbers in the 408-419 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 (408-419-XXXX) and pins the number to a billing locality.
The assigned code holder is PACIFIC BELL, operating company number 9740, assigned November 27, 2006. 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 |
|---|---|---|
| 408-416 | San Jose:north Da | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 408-417 | San Jose:west Da | NEW CINGULAR WIRELESS PCS, LLC |
| 408-418 | San Jose:west Da | PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
| 408-420 | Sunnyvale | T-MOBILE USA, INC. |
| 408-421 | San Jose:north Da | NEW CINGULAR WIRELESS PCS, LLC |
| 408-422 | San Martin | T-MOBILE USA, INC. |
FAQ
Where is 408-419 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 408-419 numbers?
PACIFIC BELL 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 408-419 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.