Prefix 213-279 — Los Angeles:da 01, CA

NANPA CO code assignment, current as of July 28, 2026.

Area code
213
Prefix (NXX)
279
Rate center
Los Angeles:da 01
State
California
Time zone
Pacific
Code holder
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA
OCN
7240
Pooled
Yes (thousands-block pooling)
Assigned
2015-10-15
LATA
730

213-279 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 — 213-279 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: MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA (OCN 7240), assigned October 15, 2015. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 213-279 numbers may be served by different companies.

Neighboring prefixes

Prefixes adjacent to 213-279
PrefixRate centerCode holder
213-276 Los Angeles:da 01 METROPCS NETWORKS, LLC
213-277 Los Angeles:da 10 ONVOY, LLC - CA
213-278 Los Angeles:da 01 METROPCS NETWORKS, LLC
213-280 Los Angeles:da 01 NEW CINGULAR WIRELESS PCS, LLC
213-281 Los Angeles:da 01 NEW CINGULAR WIRELESS PCS, LLC
213-282 Los Angeles:da 10 BANDWIDTH.COM CLEC, LLC - CA

FAQ

Where is 213-279 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 213-279 numbers?

MCIMETRO ACCESS TRANSMISSION SERVICES 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 213-279 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.