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: 261

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-261 A Merrimack NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-261 0 Merrimack NH MNCHNHNI9MD  5562 METROPCS, INC. 122      
603-261 1 Merrimack NH MNCHNHNI9MD  5562 METROPCS, INC. 122      
603-261 2 Merrimack NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-261 3 Merrimack NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-261 4 Merrimack NH MNCHNHNI9MD  5562 METROPCS, INC. 122      
603-261 5 Merrimack NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-261 6 Merrimack NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-261 7 Merrimack NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-261 8 Merrimack NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-261 9 Merrimack NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      

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

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