Local Calling Guide

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Claremont, NH

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
603-558 6 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2023-07-27   
603-558 7 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2018-10-13   
603-558 8 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-558 9 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2014-01-06   
603-690 A MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-690 0 MNCHNHCOCM1  5562 METROPCS, INC. 122   2021-10-09   
603-690 1   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2026-01-15   
603-690 2   829J PAETEC ITEL, LLC 122   2001-09-10   
603-690 3   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2025-03-14   
603-690 5 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122   2005-09-22   
603-690 8 MNCHNHCO23Z  073H TELNYX LLC 122   2022-11-03   
603-690 9 MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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