Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-281 1 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-281 2 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-281 3 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-281 4 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-281 5 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-281 6 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2015-03-16   
603-281 7 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2015-03-16   
603-281 8 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2015-03-16   
603-281 9 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2015-03-16   
603-282 A Canaan NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-282 4 Canaan NH PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122   2002-09-10   
603-282 8 Canaan NH MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122   2023-11-11   
603-282 9 Canaan NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-283 A Keene NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-283 0 Keene NH MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122   2000-08-09   
603-283 1 Keene NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122   2001-05-01   
603-283 2 Keene NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122   2006-03-07   
603-283 3 Keene NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2006-09-07   
603-283 4 Keene NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2003-12-16   
603-283 5 Keene NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2007-03-30   
603-283 6 Keene NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-283 7 Keene NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-283 8 Keene NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-01-05   
603-283 9 Keene NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2005-11-25   
603-284 A Center Sandwich NH CNSWNHSLRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-284 4 Center Sandwich NH   145J TERRA NOVA TELECOM INC. 122   2021-05-27   
603-284 6 Center Sandwich NH CNSWNHSLRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-284 7 Center Sandwich NH CNSWNHSLRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-284 9 Center Sandwich NH CNSWNHSLRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-285 A Dover NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-285 0 Dover NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122   2001-03-26   
603-285 1 Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2007-03-29   
603-285 2 Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2007-03-29   
603-285 3 Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2007-03-29   
603-285 4 Dover NH MNCHNHCOX1Y  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2004-04-11   
603-285 5 Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2005-07-08   
603-285 6 Dover NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2012-08-27   
603-285 7 Dover NH MNCHNHCOXAZ  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2014-08-29   
603-285 8 Dover NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2016-12-10   
603-285 9 Dover NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-286 A Tilton NH TLTNNHPRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 0 Tilton NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-01-05   
603-286 1 Tilton NH TLTNNHPRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 2 Tilton NH TLTNNHPRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 3 Tilton NH TLTNNHPRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 4 Tilton NH TLTNNHPRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 5 Tilton NH TLTNNHPRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 6 Tilton NH TLTNNHPRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 7 Tilton NH TLTNNHPRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 8 Tilton NH TLTNNHPRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.