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: 712

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-712 A Pike NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-712 0 Pike NH   145J TERRA NOVA TELECOM INC. 122   2023-08-06   
603-712 2 Pike NH   145J TERRA NOVA TELECOM INC. 122   2022-07-01   
603-712 4 Pike NH   145J TERRA NOVA TELECOM INC. 122   2021-05-27   
603-712 5 Pike NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-15   
603-712 7 Pike NH   145J TERRA NOVA TELECOM INC. 122   2023-01-12   
603-712 9 Pike NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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