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: 971

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-971 A Rindge NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-971 0 Rindge NH MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2024-01-07   
603-971 1 Rindge NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-971 2 Rindge NH   145J TERRA NOVA TELECOM INC. 122   2023-11-11   
603-971 3 Rindge NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-971 4 Rindge NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-971 5 Rindge NH   829J PAETEC ITEL, LLC 122   2015-08-01   
603-971 6 Rindge NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2019-05-16   
603-971 8 Rindge NH   145J TERRA NOVA TELECOM INC. 122   2022-01-04   
603-971 9 Rindge NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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