Prefix 213-423 — Los Angeles:da 10, CA

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

Area code
213
Prefix (NXX)
423
Rate center
Los Angeles:da 10
State
California
Time zone
Pacific
Code holder
PEERLESS NETWORK OF CALIFORNIA, LLC - CA
OCN
373F
Pooled
Yes (thousands-block pooling)
Assigned
2016-11-18
LATA
730

A phone number starting 213-423 was issued in the Los Angeles:da 10 rate center of CA — part of area code 213.

The assigned code holder is PEERLESS NETWORK OF CALIFORNIA, LLC - CA, operating company number 373F, assigned November 18, 2016. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

A scammer can display 213-423 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

Prefixes adjacent to 213-423
PrefixRate centerCode holder
213-420 Montebello T-MOBILE USA, INC.
213-421 Los Angeles:da 07 T-MOBILE USA, INC.
213-422 Los Angeles:da 01 NEW CINGULAR WIRELESS PCS, LLC
213-424 Montebello CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
213-425 Los Angeles:da 01 LEVEL 3 COMMUNICATIONS, LLC - CA
213-426 Los Angeles:da 01 PACIFIC BELL

FAQ

Where is 213-423 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 213-423 numbers?

PEERLESS NETWORK OF CALIFORNIA, 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 213-423 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.