Prefix 408-389 — San Jose:south Da, CA
- Area code
- 408
- Prefix (NXX)
- 389
- Rate center
- San Jose:south Da
- State
- California
- Time zone
- Pacific
- Code holder
- LEVEL 3 COMMUNICATIONS, LLC - CA
- OCN
- 8826
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2011-05-06
- LATA
- 722
Numbers in the 408-389 prefix are registered to the San Jose:south Da rate center in CA, inside area code 408. The prefix is the second block of a ten-digit US number (408-389-XXXX) and pins the number to a billing locality.
NANPA's central-office code records list LEVEL 3 COMMUNICATIONS, LLC - CA (OCN 8826) as the code holder, assigned May 6, 2011. Because 408-389 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
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 San Jose:south Da caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 408-386 | San Jose:west Da | NEW CINGULAR WIRELESS PCS, LLC |
| 408-387 | San Jose:west Da | PACIFIC BELL |
| 408-388 | San Jose:west Da | SPOK, INC. |
| 408-390 | San Jose:west Da | T-MOBILE USA, INC. |
| 408-391 | San Jose:west Da | NEW CINGULAR WIRELESS PCS, LLC |
| 408-392 | San Jose:west Da | PACIFIC BELL |
FAQ
Where is 408-389 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 408-389 numbers?
LEVEL 3 COMMUNICATIONS, 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 408-389 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.