Prefix 213-257 — Los Angeles:da 01, CA
- Area code
- 213
- Prefix (NXX)
- 257
- Rate center
- Los Angeles:da 01
- State
- California
- Time zone
- Pacific
- Code holder
- PACIFIC BELL
- OCN
- 9740
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2014-09-29
- LATA
- 730
213-257 identifies a block of numbers in Los Angeles:da 01, CA, within the 213 area code. Every US prefix is tied to exactly one rate center; this one is Los Angeles:da 01.
The rate center lies in the Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area. The serving LATA is 730. Local time follows the Pacific zone.
Treat the on-screen number as a hint, not evidence — 213-257 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 PACIFIC BELL, operating company number 9740, assigned September 29, 2014. 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 |
|---|---|---|
| 213-254 | Los Angeles:da 01 | LEVEL 3 COMMUNICATIONS, LLC - CA |
| 213-255 | Los Angeles:da 07 | T-MOBILE USA, INC. |
| 213-256 | Los Angeles:da 01 | ONVOY, LLC - CA |
| 213-258 | Los Angeles:da 01 | T-MOBILE USA, INC. |
| 213-259 | Los Angeles:da 07 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
| 213-260 | Los Angeles:da 10 | BANDWIDTH.COM CLEC, LLC - CA |
FAQ
Where is 213-257 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 213-257 numbers?
PACIFIC BELL 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 213-257 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.