Prefix 213-433 — Los Angeles:da 10, CA

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

Area code
213
Prefix (NXX)
433
Rate center
Los Angeles:da 10
State
California
Time zone
Pacific
Code holder
BANDWIDTH.COM CLEC, LLC - CA
OCN
981E
Pooled
Yes (thousands-block pooling)
Assigned
2018-03-23
LATA
730

213-433 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 — 213-433 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 BANDWIDTH.COM CLEC, LLC - CA, operating company number 981E, assigned March 23, 2018. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

Neighboring prefixes

Prefixes adjacent to 213-433
PrefixRate centerCode holder
213-430 Los Angeles:da 01 PACIFIC BELL
213-431 Los Angeles:da 07 T-MOBILE USA, INC.
213-432 Los Angeles:da 10 METROPCS NETWORKS, LLC
213-434 Los Angeles:da 01 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
213-435 Los Angeles:da 01 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
213-436 Los Angeles:da 10 BANDWIDTH.COM CLEC, LLC - CA

FAQ

Where is 213-433 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 213-433 numbers?

BANDWIDTH.COM CLEC, 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 213-433 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.