Prefix 408-606 — San Jose:west Da, CA
- Area code
- 408
- Prefix (NXX)
- 606
- Rate center
- San Jose:west Da
- State
- California
- Time zone
- Pacific
- Code holder
- MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA
- OCN
- 7240
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2012-04-17
- LATA
- 722
408-606 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 — 408-606 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.
The assigned code holder is MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA, operating company number 7240, assigned April 17, 2012. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 408-603 | Campbell | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
| 408-604 | Sunnyvale | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 408-605 | San Jose:west Da | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 408-607 | Morgan Hill | NEW CINGULAR WIRELESS PCS, LLC |
| 408-608 | Campbell | ONVOY, LLC - CA |
| 408-609 | San Jose:north Da | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
FAQ
Where is 408-606 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 408-606 numbers?
MCIMETRO ACCESS TRANSMISSION SERVICES 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 408-606 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.