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: 218H WIDE VOICE, LLC - PA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
610-206 1 Philadelphia Suburban Zone 23 PA PHLAPAMKMMD  228   2016-05-20   
610-206 4 Philadelphia Suburban Zone 23 PA PHLAPAMKMMD  228   2016-05-20   
610-426 6 Kutztown (Berks) PA PHLAPAMKMMD  228   2016-05-20   
610-474 5 Royersford PA PHLAPAMKMMD  228   2016-01-02   
610-569 3 Royersford PA PHLAPAMKMMD  228   2016-01-02   
610-601 7 Chester Springs PA PHLAPAMKMMD  228   2016-02-28   

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Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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