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
603-790 0 West Lebanon NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-790 1 West Lebanon NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122      
603-790 3 West Lebanon NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-790 4 West Lebanon NH MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122      
603-790 5 West Lebanon NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-790 6 West Lebanon NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122      
603-790 8 West Lebanon NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-790 9 West Lebanon NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122      
603-791 A Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-791 0 Nashua NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-791 1 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-791 2 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-791 3 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-791 4 Nashua NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-791 5 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-791 6 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-791 7 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-791 8 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-791 9 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-792 A Manchester NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-793 A Exeter NH   5562 METROPCS, INC. 122      
603-793 0 Exeter NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-793 1 Exeter NH MNCHNHNI9MD  5562 METROPCS, INC. 122      
603-793 2 Exeter NH MNCHNHNI9MD  5562 METROPCS, INC. 122      
603-793 3 Exeter NH MNCHNHNI9MD  5562 METROPCS, INC. 122      
603-793 4 Exeter NH MNCHNHNI9MD  5562 METROPCS, INC. 122      
603-793 5 Exeter NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-793 6 Exeter NH MNCHNHNI9MD  5562 METROPCS, INC. 122      
603-793 7 Exeter NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-793 8 Exeter NH MNCHNHNI9MD  5562 METROPCS, INC. 122      
603-793 9 Exeter NH MNCHNHNI9MD  5562 METROPCS, INC. 122      
603-794 A Laconia NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-794 0 Laconia NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-794 1 Laconia NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-794 9 Laconia NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-795 A Lyme NH LYMENHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-795 0 Lyme NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-795 2 Lyme NH LYMENHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-795 3 Lyme NH   145J TERRA NOVA TELECOM INC. 122      
603-795 4 Lyme NH LYMENHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-795 5 Lyme NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-795 6 Lyme NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-795 7 Lyme NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-795 8 Lyme NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-795 9 Lyme NH LYMENHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-796 A Boscawen NH BSCWNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-796 0 Boscawen NH BSCWNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-796 2 Boscawen NH BSCWNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-796 3 Boscawen NH BSCWNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-796 6 Boscawen NH BSCWNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-797 A Plaistow NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-797 0 Plaistow NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122      
603-797 1 Plaistow NH   145J TERRA NOVA TELECOM INC. 122      
603-797 8 Plaistow NH   073H TELNYX LLC 122      
603-797 9 Plaistow NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-798 A Chichester NH CHCHNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-798 0 Chichester NH CHCHNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-798 3 Chichester NH CHCHNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-798 4 Chichester NH CHCHNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-798 5 Chichester NH CHCHNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-799 A Manchester NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-799 0 Manchester NH   624H ONVOY SPECTRUM, LLC 122      
603-799 1 Manchester NH   624H ONVOY SPECTRUM, LLC 122      
603-799 2 Manchester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-799 3 Manchester NH   145J TERRA NOVA TELECOM INC. 122      
603-799 4 Manchester NH MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122      
603-799 5 Manchester NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-799 6 Manchester NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-799 7 Manchester NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-799 8 Manchester NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-799 9 Manchester NH   073H TELNYX LLC 122      
603-800 A Meredith NH MNCHNHCO26Z  965H FRACTEL, LLC 122      
603-800 0 Meredith NH MNCHNHCO26Z  965H FRACTEL, LLC 122      
603-800 1 Meredith NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-800 2 Meredith NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-800 3 Meredith NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-800 4 Meredith NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-800 5 Meredith NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-800 6 Meredith NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-800 7 Meredith NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-800 8 Meredith NH MNCHNHCO26Z  965H FRACTEL, LLC 122      
603-800 9 Meredith NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 A Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 0 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 1 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 2 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 3 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 4 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 5 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 6 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 7 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 8 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 9 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-802 A Concord NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-802 0 Concord NH   939H COMMIO, LLC 122      
603-802 1 Concord NH MNCHNHBODS0  927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122      
603-802 2 Concord NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-802 3 Concord NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-802 4 Concord NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-802 5 Concord NH MNCHNHCOX9Z  637E ONVOY, LLC - 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: ISP Telecom

Like this site? We accept donations via PayPal.