Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 321J HD CARRIER LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
484-481 1 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 2 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 3 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 4 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 5 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 6 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 7 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 8 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 9 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-488 2 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-488 6 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-488 8 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-488 9 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-518 1 Philadelphia Suburban Zone 29 PA PHLAPAMKX7X  228   2016-01-02   
484-518 2 Philadelphia Suburban Zone 29 PA PHLAPAMKX7X  228   2016-01-02   
484-562 3 Philadelphia Suburban Zone 23 PA PHLAPAMKX7X  228   2020-05-28   
484-740 A Reading PA PHLAPAMKX7X  228      
484-740 0 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 1 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 2 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 3 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 4 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 5 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 6 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 7 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 8 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 9 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-825 1 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-825 2 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-825 3 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-825 4 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-825 5 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-825 6 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-825 7 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-825 8 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-825 9 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-831 4 Philadelphia Suburban Zone 29 PA PHLAPAMKX7X  228   2016-01-02   
484-831 6 Philadelphia Suburban Zone 29 PA PHLAPAMKX7X  228   2016-01-02   
484-831 7 Philadelphia Suburban Zone 29 PA PHLAPAMKX7X  228   2016-01-02   
484-831 8 Philadelphia Suburban Zone 29 PA PHLAPAMKX7X  228   2016-01-02   
484-834 0 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-834 1 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-834 2 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-834 3 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-834 4 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-834 6 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-850 0 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-02-04   
484-850 1 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-02-04   
484-850 2 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-02-04   
484-850 3 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-02-04   

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

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