Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 610 [Rate centres in NPA 610] [Dial plan for NPA 610]

NXX: 528

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-528 A Center Point PA PHLAPAAZDS2  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
610-528 0 Center Point PA   624H ONVOY SPECTRUM, LLC 228   2022-01-07   
610-528 1 Center Point PA   321J HD CARRIER LLC 228   2016-01-02   
610-528 2 Center Point PA   624H ONVOY SPECTRUM, LLC 228   2021-05-10   
610-528 3 Center Point PA   321J HD CARRIER LLC 228   2016-01-02   
610-528 4 Center Point PA   784E BLOCK LINE SYSTEMS, LLC - PA 228   2009-04-30   
610-528 5 Center Point PA   321J HD CARRIER LLC 228   2016-01-02   
610-528 6 Center Point PA   321J HD CARRIER LLC 228   2016-01-02   
610-528 7 Center Point PA   321J HD CARRIER LLC 228   2016-01-02   
610-528 9 Center Point PA   7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      

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

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