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.

Portsmouth, NH

<< 1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
603-430 A PTMONHISDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-431 A PTMONHISDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-433 A PTMONHISDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-436 A PTMONHISDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-498 A MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-501 A MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-501 0 MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-501 1 MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-501 2 MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-501 3 MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-501 4 MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-501 5 MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-501 6 MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-501 7 MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-501 8 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-501 9 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-502 A DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-531 A DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-531 0 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-531 1 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-531 2 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-531 3 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-531 4 PTMONHISDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-531 5 PTMONHISDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-531 6 PTMONHISDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-531 7 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-531 8 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-531 9 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-559 A PTMONHISDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-570 A DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122      
603-570 0 DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122      
603-570 1 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-570 2 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-570 3 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-570 4 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-570 5 SALMNHNB5MD  9247 BROADVIEW NETWORKS, INC. - NH 122      
603-570 6 MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-570 7 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-570 8 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-570 9 MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-610 A DOVRNHTH8MD  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-610 0 DOVRNHTH8MD  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-610 1 DOVRNHTH8MD  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-610 2 DOVRNHTH8MD  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-610 3 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-610 4 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-610 5 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-610 6 DOVRNHTH8MD  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-610 7 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-610 8 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-610 9 DOVRNHTH8MD  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-766 A PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-812 A MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-812 0 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-812 1 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-812 2 PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122      
603-812 3 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-812 4 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-812 5 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-812 6 MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-812 7 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-812 8 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-812 9 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-828 A MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-828 0 PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122      
603-828 1 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-828 2 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-828 3 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-828 4 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-828 5 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-828 6 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-828 7 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-828 8 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-828 9 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-956 A MNCHNHCO18Z  197D VONAGE AMERICA LLC 122      
603-956 0 MNCHNHAC3MD  939H COMMIO, LLC 122      
603-956 1 MNCHNHCO23Z  073H TELNYX LLC 122      
603-956 2 MNCHNHCO18Z  197D VONAGE AMERICA LLC 122      
603-956 3 MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-956 4 MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-956 5 MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-956 6 MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-956 7 MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-956 8   8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122      
603-956 9 MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-957 A DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-957 0 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-957 1 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-957 2 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-957 3 DOVRNHTH8MD  2698 CTC COMMUNICATIONS CORP. - NH 122      
603-957 4 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-957 5 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-957 6 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-957 7 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-957 8 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-957 9 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-969 A MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2024-02-09   
603-969 0 MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-969 1 MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-969 2 MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      

<< 1 2 3 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.