Local Calling Guide

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

NXX: 210

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-210 A Suncook NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-210 0 Suncook NH   9827 OTEL TELEKOM, INC. - NH 122   2009-01-03   
603-210 1 Suncook NH   318J COMCAST IP PHONE, LLC 122      
603-210 2 Suncook NH   318J COMCAST IP PHONE, LLC 122      
603-210 3 Suncook NH   6386 BELL ATLANTIC MOBILE, INC 122   2017-06-02   
603-210 4 Suncook NH   996E BANDWIDTH.COM CLEC, LLC - NH 122   2002-09-20   
603-210 5 Suncook NH   318J COMCAST IP PHONE, LLC 122      
603-210 6 Suncook NH   8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2002-11-15   
603-210 7 Suncook NH   6386 BELL ATLANTIC MOBILE, INC 122   2020-03-16   
603-210 8 Suncook NH   6386 BELL ATLANTIC MOBILE, INC 122   2019-08-30   
603-210 9 Suncook NH   6386 BELL ATLANTIC MOBILE, INC 122   2019-08-30   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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