Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 213 [Rate centres in NPA 213] [Dial plan for NPA 213]

NXX: 237

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
213-237 A Los Angeles: DA 01 CA LSANCA02DS3  9740 PACIFIC BELL 730      
213-237 0 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-237 1 Los Angeles: DA 01 CA   649C ONVOY, LLC - CA 730   2013-01-10   
213-237 2 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-237 3 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-237 4 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-237 5 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-237 6 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-237 7 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-237 8 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-237 9 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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