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]

Block: A

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-710 A Washington NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-712 A Pike NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-713 A Nashua NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-714 A Bedford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-715 A Concord NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-716 A Manchester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-717 A Concord NH MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-718 A Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-719 A Keene NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-720 A Troy NH MNCHNHCOXPZ  853C TIME WARNER CABLE INFORMATION SVCS (NEW HAMPSHIRE) 122      
603-721 A Milford NH MNCHNHCOCM1  6664 SPRINT SPECTRUM, L.P. 122      
603-722 A Manchester NH MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122      
603-723 A Berlin NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-724 A Concord NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-725 A Tamworth NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-726 A Campton NH CMTNNHOWRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-727 A Lebanon NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122      
603-728 A North Woodstock NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-729 A Tilton NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-730 A North Conway NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-731 A Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-732 A Milford NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-733 A North Conway NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-734 A Epping NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-735 A Andover NH ANDVNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-736 A Epsom NH EPSMNHBHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-737 A Laconia NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-738 A Concord NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-739 A North Woodstock NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-740 A Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-741 A New Boston NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-742 A Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-743 A Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 A Bristol NH BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-745 A North Woodstock NH NWDSNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-746 A Contoocook NH CNTCNHXAPS0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-747 A Woodsville NH WDVLNHJLRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-748 A Warner NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-749 A Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-750 A Dover NH DOVRNHTHPS0  383J CONSOLIDATED COMM ENTERPRISE SERVICES INC 122      
603-751 A Pelham NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-752 A Berlin NH BRLNNHHERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-753 A Penacook NH PNCKNHCHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-754 A Lancaster NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-755 A Farmington NH FRTNNHMGRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-756 A Walpole NH WLPLNHWPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-757 A Keene NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122      
603-758 A Hampton NH DOVRNHTH8MD  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-759 A Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-760 A Seabrook NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.