Local Calling Guide

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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-328 A Salem NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-328 0 Salem NH PTMONH073MD  9827 OTEL TELEKOM, INC. - NH 122   2005-01-24   
603-328 1 Salem NH   829J PAETEC ITEL, LLC 122      
603-328 2 Salem NH   829J PAETEC ITEL, LLC 122      
603-328 3 Salem NH MNCHNHCOX1Y  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2004-04-18   
603-328 4 Salem NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-02-09   
603-328 5 Salem NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2015-08-04   
603-328 6 Salem NH   829J PAETEC ITEL, LLC 122      
603-328 7 Salem NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2024-04-23   
603-328 8 Salem NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2014-11-24   
603-328 9 Salem NH   829J PAETEC ITEL, LLC 122   2000-07-21   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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