Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 910

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-910 A Hampton NH NASHNH08AMD  4053 CONVERSENT COMMUNICATIONS OF NEW HAMPSHIRE, LLC 122      
603-910 2 Hampton NH MNCHNHBO2MD  490J DISH WIRELESS, LLC 122      
603-910 5 Hampton NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-910 6 Hampton NH NASHNH08AMD  4053 CONVERSENT COMMUNICATIONS OF NEW HAMPSHIRE, LLC 122      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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