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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date
610-523 A Philadelphia Suburban Zone 25 PA   7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228    
610-523 0 Philadelphia Suburban Zone 25 PA   7341 XO COMMUNICATIONS SERVICES INC - PA 228 2004-08-29   
610-523 2 Philadelphia Suburban Zone 25 PA   7341 XO COMMUNICATIONS SERVICES INC - PA 228 2004-08-29   
610-523 3 Philadelphia Suburban Zone 25 PA   7341 XO COMMUNICATIONS SERVICES INC - PA 228 2004-08-29   
610-523 4 Philadelphia Suburban Zone 25 PA   7341 XO COMMUNICATIONS SERVICES INC - PA 228 2004-08-29   
610-523 5 Philadelphia Suburban Zone 25 PA   7341 XO COMMUNICATIONS SERVICES INC - PA 228 2004-08-29   
610-523 7 Philadelphia Suburban Zone 25 PA   7341 XO COMMUNICATIONS SERVICES INC - PA 228 2004-08-29   
610-523 9 Philadelphia Suburban Zone 25 PA   7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228    

Last updated: Thu, 19 Jul 2018 01:19:47 UTC

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