Local Calling Guide

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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 323

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-323 A Tamworth NH TMWONHWHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-323 0 Tamworth NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-12   
603-323 2 Tamworth NH TMWONHWHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-323 3 Tamworth NH   145J TERRA NOVA TELECOM INC. 122   2021-12-14   
603-323 4 Tamworth NH   145J TERRA NOVA TELECOM INC. 122   2021-05-28   
603-323 5 Tamworth NH MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122   2023-04-27   
603-323 6 Tamworth NH MNCHNHCOXPZ  853C TIME WARNER CABLE INFORMATION SVCS (NEW HAMPSHIRE) 122   2012-10-02   
603-323 7 Tamworth NH TMWONHWHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-323 8 Tamworth NH TMWONHWHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-323 9 Tamworth NH TMWONHWHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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