Prefix 408-408 — San Jose:west Da, CA
- Area code
- 408
- Prefix (NXX)
- 408
- Rate center
- San Jose:west Da
- State
- California
- Time zone
- Pacific
- Code holder
- TELEPORT COMMUNICATIONS AMERICA, LLC - CA
- OCN
- 7145
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2025-04-07
- LATA
- 722
408-408 identifies a block of numbers in San Jose:west Da, CA, within the 408 area code. Every US prefix is tied to exactly one rate center; this one is San Jose:west Da.
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.
Treat the on-screen number as a hint, not evidence — 408-408 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.
Code-holder of record: TELEPORT COMMUNICATIONS AMERICA, LLC - CA (OCN 7145), assigned April 7, 2025. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 408-408 numbers may be served by different companies.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 408-405 | Salinas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 408-406 | San Jose:west Da | NEW CINGULAR WIRELESS PCS, LLC |
| 408-407 | San Jose:west Da | SPOK, INC. |
| 408-409 | Campbell | T-MOBILE USA, INC. |
| 408-410 | Campbell | NEW CINGULAR WIRELESS PCS, LLC |
| 408-412 | Campbell | BANDWIDTH.COM CLEC, LLC - CA |
FAQ
Where is 408-408 located?
The prefix is assigned to the San Jose:west Da rate center in CA, area code 408. It is part of the San Jose-Sunnyvale-Santa Clara, CA Metropolitan Statistical Area.
Which company owns 408-408 numbers?
TELEPORT COMMUNICATIONS AMERICA, 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 408-408 safe to answer?
The prefix itself says nothing about the caller. Legitimate San Jose:west Da businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.