Local Calling Guide

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

NXX: 525

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-525 A Hancock NH HNCCNHSCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-525 3 Hancock NH HNCCNHSCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-525 4 Hancock NH HNCCNHSCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-525 6 Hancock NH   145J TERRA NOVA TELECOM INC. 122   2022-07-01   
603-525 7 Hancock NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-525 8 Hancock NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-10-30   
603-525 9 Hancock NH HNCCNHSCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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