Local Calling Guide

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

NXX: 671

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-671 A Philadelphia Suburban Zone 29 PA ALTWPAAEDS0  7341 XO COMMUNICATIONS SERVICES, INC. - PA 228      
610-671 0 Philadelphia Suburban Zone 29 PA ALTWPAAEDS0  7341 XO COMMUNICATIONS SERVICES, INC. - PA 228      
610-671 1 Philadelphia Suburban Zone 29 PA   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-06-09   
610-671 2 Philadelphia Suburban Zone 29 PA ALTWPAAEDS0  7341 XO COMMUNICATIONS SERVICES, INC. - PA 228      
610-671 3 Philadelphia Suburban Zone 29 PA PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228   2020-04-11   
610-671 4 Philadelphia Suburban Zone 29 PA   547E ONVOY, LLC - PA 228      
610-671 5 Philadelphia Suburban Zone 29 PA PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2021-11-05   
610-671 6 Philadelphia Suburban Zone 29 PA ALTWPAAEDS0  7341 XO COMMUNICATIONS SERVICES, INC. - PA 228      
610-671 7 Philadelphia Suburban Zone 29 PA PHLAPAFGXCY  4153 PAETEC COMMUNICATIONS, INC. - PA 228   2019-04-02   
610-671 8 Philadelphia Suburban Zone 29 PA PHLAPAFGXCY  4153 PAETEC COMMUNICATIONS, INC. - PA 228   2019-04-02   
610-671 9 Philadelphia Suburban Zone 29 PA PHLAPAMKXCX  318J COMCAST IP PHONE LLC 228   2019-06-13   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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