Prefix 213-331 — Los Angeles:da 01, CA
- Area code
- 213
- Prefix (NXX)
- 331
- Rate center
- Los Angeles:da 01
- State
- California
- Time zone
- Pacific
- Code holder
- T-MOBILE USA, INC.
- OCN
- 6529
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2015-04-10
- LATA
- 730
The 213-331 prefix belongs to area code 213 and is anchored to the Los Angeles:da 01 rate center (CA). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
Los Angeles:da 01 is part of the Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area. For routing purposes it sits in LATA 730. Numbers here keep Pacific time.
NANPA's central-office code records list T-MOBILE USA, INC. (OCN 6529) as the code holder, assigned April 10, 2015. Because 213-331 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
Caller ID showing 213-331 is not proof the call came from Los Angeles:da 01: 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 |
|---|---|---|
| 213-328 | Los Angeles:da 01 | BANDWIDTH.COM CLEC, LLC - CA |
| 213-329 | Los Angeles:da 09 | ONVOY, LLC - CA |
| 213-330 | Los Angeles:da 01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
| 213-332 | Los Angeles:da 01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
| 213-333 | Los Angeles:da 01 | 33 WIRELESS INC. |
| 213-334 | Los Angeles:da 01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
FAQ
Where is 213-331 located?
The prefix is assigned to the Los Angeles:da 01 rate center in CA, area code 213. It is part of the Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area.
Which company owns 213-331 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 213-331 safe to answer?
The prefix itself says nothing about the caller. Legitimate Los Angeles:da 01 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.