Prefix 213-357 — Los Angeles:da 10, CA
- Area code
- 213
- Prefix (NXX)
- 357
- Rate center
- Los Angeles:da 10
- State
- California
- Time zone
- Pacific
- Code holder
- T-MOBILE USA, INC.
- OCN
- 6529
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2015-03-11
- LATA
- 730
A phone number starting 213-357 was issued in the Los Angeles:da 10 rate center of CA — part of area code 213.
NANPA's central-office code records list T-MOBILE USA, INC. (OCN 6529) as the code holder, assigned March 11, 2015. Because 213-357 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
A scammer can display 213-357 without ever touching CA. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.
Los Angeles:da 10 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.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 213-354 | Los Angeles:da 01 | T-MOBILE USA, INC. |
| 213-355 | Los Angeles:da 10 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
| 213-356 | Los Angeles:da 01 | PACIFIC BELL |
| 213-358 | Los Angeles:da 01 | LEVEL 3 COMMUNICATIONS, LLC - CA |
| 213-359 | Los Angeles:da 01 | NEW CINGULAR WIRELESS PCS, LLC |
| 213-360 | Los Angeles:da 01 | SPOK, INC. |
FAQ
Where is 213-357 located?
The prefix is assigned to the Los Angeles:da 10 rate center in CA, area code 213. It is part of the Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area.
Which company owns 213-357 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 213-357 safe to answer?
The prefix itself says nothing about the caller. Legitimate Los Angeles:da 10 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.