Local Calling Guide

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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-531 4 Portsmouth NH PTMONHISDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2007-07-19   
603-531 5 Portsmouth NH PTMONHISDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2007-07-19   
603-531 6 Portsmouth NH PTMONHISDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2007-07-19   
603-531 7 Portsmouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-09-26   
603-531 8 Portsmouth NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2017-12-11   
603-531 9 Portsmouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2006-02-21   
603-532 A Jaffrey NH JFRYNHRIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-532 0 Jaffrey NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2001-02-22   
603-532 1 Jaffrey NH JFRYNHRIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-532 2 Jaffrey NH JFRYNHRIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-532 3 Jaffrey NH   145J TERRA NOVA TELECOM INC. 122   2021-05-27   
603-532 4 Jaffrey NH JFRYNHRIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-532 5 Jaffrey NH JFRYNHRIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-532 6 Jaffrey NH JFRYNHRIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-532 7 Jaffrey NH JFRYNHRIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-532 8 Jaffrey NH JFRYNHRIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-532 9 Jaffrey NH JFRYNHRIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-533 A Merrimack NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-534 A Dover NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-535 A Plymouth NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-536 A Plymouth NH PLMONHLHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-537 A Derry NH DRRYNHEBDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-537 0 Derry NH DRRYNHEBDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-537 1 Derry NH DRRYNHEBDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-537 2 Derry NH DRRYNHEBDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-537 3 Derry NH DRRYNHEBDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-537 4 Derry NH SALMNHNB5MD  9247 BROADVIEW NETWORKS, INC. - NH 122   2005-06-23   
603-537 5 Derry NH DRRYNHEBDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-537 6 Derry NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122   2012-11-19   
603-537 7 Derry NH DRRYNHEBDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-537 8 Derry NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2023-12-22   
603-537 9 Derry NH DRRYNHEBDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-538 A Pittsburg NH PSBGNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-538 0 Pittsburg NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2023-02-09   
603-538 1 Pittsburg NH MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122   2022-10-06   
603-538 3 Pittsburg NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-07   
603-538 4 Pittsburg NH   145J TERRA NOVA TELECOM INC. 122   2021-05-27   
603-538 6 Pittsburg NH PSBGNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-538 7 Pittsburg NH PSBGNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-538 9 Pittsburg NH PSBGNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 A Center Ossipee NH CNOSNHFORS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 1 Center Ossipee NH CNOSNHFORS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 2 Center Ossipee NH CNOSNHFORS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 3 Center Ossipee NH CNOSNHFORS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 4 Center Ossipee NH CNOSNHFORS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 5 Center Ossipee NH CNOSNHFORS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 6 Center Ossipee NH CNOSNHFORS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 7 Center Ossipee NH CNOSNHFORS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 8 Center Ossipee NH CNOSNHFORS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 9 Center Ossipee NH CNOSNHFORS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

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