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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OCN: 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
562-216 6 Long Beach CA   730      
562-216 7 Long Beach CA   730      
562-216 8 Long Beach CA   730      
562-216 9 Long Beach CA   730      
562-231 A Downey CA IRVNCASM1MD  730      
562-231 1 Downey CA   730      
562-231 2 Downey CA   730      
562-231 3 Downey CA   730      
562-231 4 Downey CA   730      
562-231 5 Downey CA   730      
562-231 9 Downey CA   730      
562-232 A Compton: Compton DA CA IRVNCASM1MD  730      
562-232 1 Compton: Compton DA CA   730      
562-232 2 Compton: Compton DA CA   730      
562-236 A Whittier CA IRVNCASM1MD  730      
562-236 1 Whittier CA   730      
562-236 2 Whittier CA   730      
562-236 3 Whittier CA   730      
562-236 4 Whittier CA   730      
562-236 5 Whittier CA   730      
562-236 8 Whittier CA   730      
562-236 9 Whittier CA   730      
562-246 A Norwalk CA IRVNCASM1MD  730      
562-246 5 Norwalk CA   730      
562-250 A Downey CA IRVNCASM1MD  730      
562-250 1 Downey CA   730      
562-251 A Compton: Compton DA CA IRVNCASM1MD  730      
562-263 A Norwalk CA IRVNCASM1MD  730      
562-263 8 Norwalk CA   730      
562-264 2 Long Beach CA   730   2007-04-10   
562-264 3 Long Beach CA   730   2007-04-10   
562-264 4 Long Beach CA   730   2007-04-10   
562-277 A Long Beach CA IRVNCASM1MD  730      
562-277 9 Long Beach CA   730      
562-280 A Alamitos CA IRVNCASM1MD  730      
562-280 1 Alamitos CA   730      
562-281 0 Norwalk CA   730   2025-09-03   
562-282 A Norwalk CA IRVNCASM1MD  730      
562-282 4 Norwalk CA   730      
562-282 5 Norwalk CA   730      
562-283 A Long Beach CA IRVNCASM1MD  730      
562-283 0 Long Beach CA   730      
562-283 1 Long Beach CA   730      
562-283 2 Long Beach CA   730      
562-285 A Long Beach CA IRVNCASM1MD  730      
562-285 1 Long Beach CA   730      
562-285 4 Long Beach CA   730      
562-285 5 Long Beach CA   730      
562-287 A Downey CA IRVNCASM1MD  730      
562-287 7 Downey CA   730      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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