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: 535

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-535 A Philadelphia Suburban Zone 26 PA   829J PAETEC ITEL, LLC 228   2025-03-11   
610-535 1 Philadelphia Suburban Zone 26 PA IRTNPAXIDS2  8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2003-02-07   
610-535 2 Philadelphia Suburban Zone 26 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-29   
610-535 3 Philadelphia Suburban Zone 26 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-29   
610-535 4 Philadelphia Suburban Zone 26 PA   829J PAETEC ITEL, LLC 228      
610-535 5 Philadelphia Suburban Zone 26 PA WAYNPALADS3  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2012-09-13   
610-535 6 Philadelphia Suburban Zone 26 PA   829J PAETEC ITEL, LLC 228      
610-535 7 Philadelphia Suburban Zone 26 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-29   
610-535 8 Philadelphia Suburban Zone 26 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-29   
610-535 9 Philadelphia Suburban Zone 26 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-29   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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