Prefix 408-409 — Campbell, CA
A phone number starting 408-409 was issued in the Campbell rate center of CA — part of area code 408.
NANPA's central-office code records list T-MOBILE USA, INC. (OCN 6529) as the code holder, assigned November 7, 2008. Because 408-409 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
A scammer can display 408-409 without ever touching CA. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.
Campbell is part of the San Jose-Sunnyvale-Santa Clara, CA Metropolitan Statistical Area. For routing purposes it sits in LATA 722. Numbers here keep Pacific time.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 408-406 | San Jose:west Da | NEW CINGULAR WIRELESS PCS, LLC |
| 408-407 | San Jose:west Da | SPOK, INC. |
| 408-408 | San Jose:west Da | TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
| 408-410 | Campbell | NEW CINGULAR WIRELESS PCS, LLC |
| 408-412 | Campbell | BANDWIDTH.COM CLEC, LLC - CA |
| 408-413 | Gilroy | ONVOY, LLC - CA |
FAQ
Where is 408-409 located?
The prefix is assigned to the Campbell rate center in CA, area code 408. It is part of the San Jose-Sunnyvale-Santa Clara, CA Metropolitan Statistical Area.
Which company owns 408-409 numbers?
T-MOBILE USA, INC. 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 408-409 safe to answer?
The prefix itself says nothing about the caller. Legitimate Campbell businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.