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: 244

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
213-244 A Los Angeles: DA 01 CA LSANCA02DS4  9740 PACIFIC BELL 730      
213-244 0 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-244 1 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-244 2 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-244 3 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-244 4 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-244 5 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-244 6 Los Angeles: DA 01 CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2022-03-19   
213-244 7 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-244 8 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      
213-244 9 Los Angeles: DA 01 CA   9740 PACIFIC BELL 730      

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

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