Prefix 408-478 — San Jose:south Da, CA
- Area code
- 408
- Prefix (NXX)
- 478
- Rate center
- San Jose:south Da
- State
- California
- Time zone
- Pacific
- Code holder
- CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
- OCN
- 6006
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2011-05-26
- LATA
- 722
The 408-478 prefix belongs to area code 408 and is anchored to the San Jose:south Da rate center (CA). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
San Jose:south Da 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.
Code-holder of record: CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (OCN 6006), assigned May 26, 2011. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 408-478 numbers may be served by different companies.
Caller ID showing 408-478 is not proof the call came from San Jose:south Da: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 408-475 | Sunnyvale | BANDWIDTH.COM CLEC, LLC - CA |
| 408-476 | San Jose:south Da | NEW CINGULAR WIRELESS PCS, LLC |
| 408-477 | San Jose:west Da | NEW CINGULAR WIRELESS PCS, LLC |
| 408-479 | San Jose:north Da | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 408-480 | Sunnyvale | T-MOBILE USA, INC. |
| 408-481 | Sunnyvale | PACIFIC BELL |
FAQ
Where is 408-478 located?
The prefix is assigned to the San Jose:south 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 408-478 numbers?
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - 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 408-478 safe to answer?
The prefix itself says nothing about the caller. Legitimate San Jose:south Da businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.