Local Calling Guide

Area code/prefix search

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

NXX: 561

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-561 A Exton PA PHLAPASLTMD  7421 AT&T - LOCAL 228      
610-561 0 Exton PA PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2021-11-05   
610-561 3 Exton PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-29   
610-561 4 Exton PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-29   
610-561 5 Exton PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-29   
610-561 6 Exton PA PHLBPAMYDS4  5494 NETCARRIER TELECOM, INC. - PA 228   2002-04-27   
610-561 7 Exton PA PHLAPAMKXSX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228   2004-11-02   
610-561 9 Exton PA PHLAPASLTMD  7421 AT&T - LOCAL 228      

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

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