Local Calling Guide

Area code/prefix search

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NPA: 610 [Rate centres in NPA 610] [Dial plan for NPA 610]

NXX: 674

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-674 A Allentown (Lehigh) PA PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
610-674 0 Allentown (Lehigh) PA PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228   2012-03-27   
610-674 1 Allentown (Lehigh) PA PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228   2012-07-05   
610-674 2 Allentown (Lehigh) PA PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2012-10-10   
610-674 3 Allentown (Lehigh) PA KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2012-11-17   
610-674 4 Allentown (Lehigh) PA IRTNPAXIDS2  8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2012-11-11   
610-674 5 Allentown (Lehigh) PA PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2012-08-02   
610-674 6 Allentown (Lehigh) PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2012-06-25   
610-674 7 Allentown (Lehigh) PA PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2012-03-27   
610-674 8 Allentown (Lehigh) PA PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2012-08-02   
610-674 9 Allentown (Lehigh) PA PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2012-03-27   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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