Local Calling Guide

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

NXX: 553

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-553 A Philadelphia Suburban Zone 17 PA PHLAPAAZDS2  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
610-553 0 Philadelphia Suburban Zone 17 PA PHLAPAMKGMD  551G NUSO, LLC 228   2016-09-23   
610-553 1 Philadelphia Suburban Zone 17 PA IRTNPAXIDS2  8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2003-02-07   
610-553 2 Philadelphia Suburban Zone 17 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2023-03-09   
610-553 3 Philadelphia Suburban Zone 17 PA   829J PAETEC ITEL, LLC 228   2005-03-08   
610-553 4 Philadelphia Suburban Zone 17 PA PHLAPA031MD  508J CENTURYLINK COMMUNICATIONS, LLC 228   2014-04-07   
610-553 5 Philadelphia Suburban Zone 17 PA KGPRPADODS0  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2008-09-05   
610-553 6 Philadelphia Suburban Zone 17 PA PHLAPAFGD4S  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 228   2020-03-04   
610-553 7 Philadelphia Suburban Zone 17 PA PHLAPAMKXCX  318J COMCAST IP PHONE, LLC 228   2014-06-20   
610-553 8 Philadelphia Suburban Zone 17 PA PHLAPAMKGMD  551G NUSO, LLC 228   2016-09-23   
610-553 9 Philadelphia Suburban Zone 17 PA PHLAPAAZDS2  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      

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

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