Prefix 213-378 — Los Angeles:da 10, CA
- Area code
- 213
- Prefix (NXX)
- 378
- Rate center
- Los Angeles:da 10
- State
- California
- Time zone
- Pacific
- Code holder
- LEVEL 3 COMMUNICATIONS, LLC - CA
- OCN
- 8826
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2014-10-03
- LATA
- 730
213-378 identifies a block of numbers in Los Angeles:da 10, CA, within the 213 area code. Every US prefix is tied to exactly one rate center; this one is Los Angeles:da 10.
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 — 213-378 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.
Code-holder of record: LEVEL 3 COMMUNICATIONS, LLC - CA (OCN 8826), assigned October 3, 2014. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 213-378 numbers may be served by different companies.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 213-375 | Los Angeles:da 10 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
| 213-376 | Los Angeles:da 11 | T-MOBILE USA, INC. |
| 213-377 | Los Angeles:da 10 | ONVOY, LLC - CA |
| 213-379 | Los Angeles:da 01 | NEW CINGULAR WIRELESS PCS, LLC |
| 213-380 | Los Angeles:da 10 | PACIFIC BELL |
| 213-381 | Los Angeles:da 10 | PACIFIC BELL |
FAQ
Where is 213-378 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 213-378 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 213-378 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.