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: 608

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-608 A Northwood NH MNCHNHNI9MD  5562 METROPCS, INC. 122      
603-608 1 Northwood NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-608 2 Northwood NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-608 3 Northwood NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-608 4 Northwood NH   073H TELNYX LLC 122      
603-608 5 Northwood NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-608 6 Northwood NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-608 7 Northwood NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-608 8 Northwood NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-608 9 Northwood NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      

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

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