Local Calling Guide

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

NXX: 847

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-847 A Sullivan NH SLLVNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-847 0 Sullivan NH   829J PAETEC ITEL, LLC 122   2001-03-26   
603-847 3 Sullivan NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-847 4 Sullivan NH   9827 OTEL TELEKOM, INC. - NH 122   2002-09-20   
603-847 5 Sullivan NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2020-09-27   
603-847 6 Sullivan NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2020-09-27   
603-847 7 Sullivan NH   4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-05   
603-847 9 Sullivan NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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