Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
484-396 3 Philadelphia Suburban Zone 29 PA PHLAPAMKXDX  228   2016-09-11   
484-396 6 Philadelphia Suburban Zone 29 PA PHLAPAMKXDX  228   2016-09-11   
484-399 1 Philadelphia Suburban Zone 29 PA PHLAPAMKXDX  228   2016-09-11   
484-399 4 Philadelphia Suburban Zone 29 PA PHLAPAMKXDX  228   2016-09-11   
484-399 7 Philadelphia Suburban Zone 29 PA PHLAPAMKXDX  228   2016-09-11   
484-404 8 Bangor PA PHLAPAMKXDX  228   2016-05-20   
484-512 1 Reading PA PHLAPAMKXDX  228   2016-09-11   
484-512 2 Reading PA PHLAPAMKXDX  228   2016-09-11   
484-512 4 Reading PA PHLAPAMKXDX  228   2016-09-11   
484-512 5 Reading PA PHLAPAMKXDX  228   2016-09-11   
484-512 6 Reading PA PHLAPAMKXDX  228   2016-09-11   
484-512 7 Reading PA PHLAPAMKXDX  228   2016-09-11   
484-512 8 Reading PA PHLAPAMKXDX  228   2016-09-11   
484-518 3 Philadelphia Suburban Zone 29 PA PHLAPAMKXDX  228   2016-09-11   
484-518 5 Philadelphia Suburban Zone 29 PA PHLAPAMKXDX  228   2016-09-11   
484-597 7 Catasauqua PA PHLAPAMKXDX  228   2016-09-11   
484-597 8 Catasauqua PA PHLAPAMKXDX  228   2016-09-11   
484-676 6 Philadelphia Suburban Zone 29 PA PHLAPAMKXDX  228   2016-09-11   
484-676 9 Philadelphia Suburban Zone 29 PA PHLAPAMKXDX  228   2016-09-11   
484-757 6 West Chester PA PHLAPAMKXDX  228   2016-09-11   
518-530 A Albany NY   134   2025-04-14   
518-530 1 Albany NY   134   2012-06-04   
551-241 7 Bayonne NJ NWRKNJ0202Z  224   2016-05-19   
551-273 0 Bayonne NJ NWRKNJ0202Z  224   2016-09-03   
551-273 5 Bayonne NJ NWRKNJ0202Z  224   2016-09-03   
551-273 6 Bayonne NJ NWRKNJ0202Z  224   2016-09-03   
551-273 7 Bayonne NJ NWRKNJ0202Z  224   2016-09-03   
609-591 2 Allentown NJ CMDNNJCE60Z  222   2016-09-04   
609-663 6 Allentown NJ CMDNNJCE60Z  222   2016-05-19   
609-663 7 Allentown NJ CMDNNJCE60Z  222   2016-05-19   
609-880 7 Burlington NJ CMDNNJCE60Z  222   2016-05-19   
609-952 1 Burlington NJ CMDNNJCE60Z  222   2016-05-19   
609-952 2 Burlington NJ CMDNNJCE60Z  222   2016-05-19   
609-952 4 Burlington NJ CMDNNJCE60Z  222   2016-05-19   
609-952 7 Burlington NJ CMDNNJCE60Z  222   2016-05-19   
609-952 8 Burlington NJ CMDNNJCE60Z  222   2016-05-19   
609-952 9 Burlington NJ CMDNNJCE60Z  222   2016-05-19   
610-222 1 Center Point PA PHLAPAMKXDX  228   2016-09-11   
610-590 6 Chester Springs PA PHLAPAMKXDX  228   2016-09-11   
610-596 6 Catasauqua PA PHLAPAMKXDX  228   2016-09-11   
610-615 2 Center Point PA PHLAPAMKXDX  228   2016-09-11   
610-805 2 Center Point PA PHLAPAMKXDX  228   2016-09-11   
610-827 8 Chester Springs PA PHLAPAMKXDX  228   2016-09-11   
701-802 A Dickinson ND BSMRNDBCXEX  638      
701-802 1 Dickinson ND BSMRNDBCXEX  638   2016-02-01   
716-916 A Grand Island NY   140   2025-04-21   
716-916 1 Grand Island NY   140   2016-11-22   
719-718 A Cripple Creek CO CLSPCOMAX0Z  658      
719-718 1 Cripple Creek CO CLSPCOMAX0Z  658   2016-07-07   
720-721 A Denver CO DNVRCOMA37Z  656      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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