Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 213 [Rate centres in NPA 213] [Dial plan for NPA 213]

NXX: 250

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
213-250 A Los Angeles: DA 01 CA LSANCA06DS0  9740 PACIFIC BELL 730      
213-250 0 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-250 1 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-250 2 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-250 3 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-250 4 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-250 5 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-250 6 Los Angeles: DA 01 CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-02   
213-250 7 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-250 8 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-250 9 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      

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

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