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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-852 5 Keene NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-852 6 Keene NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-852 7 Keene NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-852 8 Keene NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-852 9 Keene NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-853 A Woodsville NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-854 A Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-854 0 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-854 1 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-854 2 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-854 3 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-854 4 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-854 5 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-854 6 Manchester NH MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-854 7 Manchester NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-854 8 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-854 9 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-855 A Alton NH ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122      
603-855 2 Alton NH ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122      
603-855 5 Alton NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122      
603-856 A Concord NH MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-856 0 Concord NH MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-856 1 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-856 2 Concord NH MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-856 3 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-856 4 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-856 5 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-856 6 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-856 7 Concord NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-856 8 Concord NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-856 9 Concord NH MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-857 A Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-857 0 Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-857 1 Suncook NH MNCHNHCO23Z  073H TELNYX LLC 122      
603-857 7 Suncook NH   637E ONVOY, LLC - NH 122      
603-857 9 Suncook NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-858 A Manchester NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-858 0 Manchester NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-858 1 Manchester NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-858 2 Manchester NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-858 3 Manchester NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-858 4 Manchester NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-858 5 Manchester NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-858 6 Manchester NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-858 7 Manchester NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-858 8 Manchester NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-858 9 Manchester NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-859 A New Durham NH NWDRNHXARP0  0049 UNION TEL. CO. 122      
603-859 0 New Durham NH   0049 UNION TEL. CO. 122      
603-859 2 New Durham NH   0049 UNION TEL. CO. 122      
603-859 4 New Durham NH   0049 UNION TEL. CO. 122      
603-859 9 New Durham NH   0049 UNION TEL. CO. 122      
603-860 A Manchester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-861 A Tamworth NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-861 0 Tamworth NH   145J TERRA NOVA TELECOM INC. 122      
603-861 8 Tamworth NH MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122      
603-861 9 Tamworth NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-862 A Durham NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-863 A Newport NH NWPTNHMADS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-864 A Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-864 0 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-864 1 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-864 2 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-864 3 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-864 4 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-864 5 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-864 6 Nashua NH MNCHNHCOX1Y  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122      
603-864 7 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-864 8 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-864 9 Nashua NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-865 A Newport NH NWPTNHMADS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-865 0 Newport NH MNCHNHCO23Z  073H TELNYX LLC 122      
603-865 1 Newport NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-865 2 Newport NH NWPTNHMADS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-865 3 Newport NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-865 4 Newport NH PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122      
603-865 5 Newport NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-865 6 Newport NH NWPTNHMADS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-865 7 Newport NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-865 8 Newport NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122      
603-865 9 Newport NH PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122      
603-866 A Dover NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-866 0 Dover NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-866 1 Dover NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-866 2 Dover NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-866 3 Dover NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-866 4 Dover NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-866 5 Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-866 6 Dover NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-866 7 Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-866 8 Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-866 9 Dover NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-867 A Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-868 A Durham NH DRHMNHMCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-869 A Bethlehem NH BHLHNHCRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-869 0 Bethlehem NH   793K TWC IP ENABLED SERVICES, LLC 122      
603-869 2 Bethlehem NH BHLHNHCRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-869 3 Bethlehem NH BHLHNHCRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-869 4 Bethlehem NH PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122      
603-869 5 Bethlehem NH BHLHNHCRRS1  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 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.