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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-608 A Northwood NH   6664 SPRINT SPECTRUM L.P. 122      
603-608 1 Northwood NH   4112 COMCAST PHONE OF NEW HAMPSHIRE, LLC - NH 122   2005-04-15   
603-608 2 Northwood NH   6664 SPRINT SPECTRUM L.P. 122   2005-10-30   
603-608 3 Northwood NH   4017 LEVEL 3 COMMUNICATIONS - NH 122   2004-09-02   
603-608 5 Northwood NH   6664 SPRINT SPECTRUM L.P. 122   2003-10-07   
603-608 6 Northwood NH   6664 SPRINT SPECTRUM L.P. 122      
603-608 7 Northwood NH   6664 SPRINT SPECTRUM L.P. 122      
603-608 8 Northwood NH   6664 SPRINT SPECTRUM L.P. 122      
603-608 9 Northwood NH   6664 SPRINT SPECTRUM L.P. 122      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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