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
603-212 3 Salem NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-12-23   
603-212 4 Salem NH DOVRNHTHGMD  624H ONVOY SPECTRUM, LLC 122   2020-02-07   
603-212 5 Salem NH   996E BANDWIDTH.COM CLEC, LLC - NH 122   2006-06-22   
603-212 6 Salem NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2016-11-03   
603-212 7 Salem NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122   2020-06-23   
603-212 8 Salem NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2017-11-05   
603-212 9 Salem NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2002-08-20   
603-213 A Milford NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-213 0 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2014-09-01   
603-213 1 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2013-12-01   
603-213 2 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2016-05-15   
603-213 3 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2015-10-19   
603-213 4 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2016-07-25   
603-213 5 Milford NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2016-09-02   
603-213 6 Milford NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2013-08-01   
603-213 7 Milford NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2016-06-09   
603-213 8 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2017-05-05   
603-213 9 Milford NH   6386 BELL ATLANTIC MOBILE, INC 122   2024-05-22   
603-214 A Errol NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-214 3 Errol NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-214 9 Errol NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-215 A Berlin NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-215 0 Berlin NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-215 1 Berlin NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-215 2 Berlin NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-215 3 Berlin NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-215 4 Berlin NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-215 5 Berlin NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122   2011-03-01   
603-215 6 Berlin NH   793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-215 7 Berlin NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122   2015-07-20   
603-215 8 Berlin NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2015-12-15   
603-215 9 Berlin NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-216 A Derry NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-216 0 Derry NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2000-05-30   
603-216 1 Derry NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-216 2 Derry NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-216 3 Derry NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2001-10-25   
603-216 4 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2006-01-01   
603-216 5 Derry NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-216 6 Derry NH NASHNH08AMD  4053 CONVERSENT COMMUNICATIONS OF NEW HAMPSHIRE, LLC 122   2003-03-26   
603-216 7 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2003-04-08   
603-216 8 Derry NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122   2006-09-11   
603-216 9 Derry NH MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122   2000-07-03   
603-217 A Bristol NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-217 0 Bristol NH ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122   2008-04-18   
603-217 1 Bristol NH PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122   2010-08-05   
603-217 2 Bristol NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2010-09-27   
603-217 3 Bristol NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122   2006-02-24   
603-217 4 Bristol NH PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122   2002-09-10   
603-217 5 Bristol NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-03   
603-217 6 Bristol NH MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122   2023-07-10   
603-217 7 Bristol NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-12-12   
603-217 8 Bristol NH MNCHNHCOX1Y  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2012-04-25   
603-217 9 Bristol NH   793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-218 A Manchester NH SALMNHNB5MD  9247 BROADVIEW NETWORKS, INC. - NH 122      
603-218 0 Manchester NH SALMNHNB5MD  9247 BROADVIEW NETWORKS, INC. - NH 122      
603-218 1 Manchester NH SALMNHNB5MD  9247 BROADVIEW NETWORKS, INC. - NH 122      
603-218 2 Manchester NH SALMNHNB5MD  9247 BROADVIEW NETWORKS, INC. - NH 122      
603-218 3 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2011-07-12   
603-218 4 Manchester NH SALMNHNB5MD  9247 BROADVIEW NETWORKS, INC. - NH 122      
603-218 5 Manchester NH SALMNHNB5MD  9247 BROADVIEW NETWORKS, INC. - NH 122      
603-218 6 Manchester NH SALMNHNB5MD  9247 BROADVIEW NETWORKS, INC. - NH 122      
603-218 7 Manchester NH SALMNHNB5MD  9247 BROADVIEW NETWORKS, INC. - NH 122   2009-10-12   
603-218 8 Manchester NH SALMNHNB5MD  9247 BROADVIEW NETWORKS, INC. - NH 122      
603-218 9 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2006-05-16   
603-219 A Concord NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-219 0 Concord NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-06-03   
603-219 1 Concord NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-219 2 Concord NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2004-07-16   
603-219 3 Concord NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-219 4 Concord NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-219 5 Concord NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2006-01-05   
603-219 6 Concord NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-219 7 Concord NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2006-08-24   
603-219 8 Concord NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2005-01-17   
603-219 9 Concord NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-221 A Nashua NH NASHNHGRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-222 A Manchester NH MNCHNHCODS2  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-223 A Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-223 0 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-223 1 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-223 2 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-223 3 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-223 4 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-223 5 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-223 6 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-223 7 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2014-10-01   
603-223 8 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-223 9 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-224 A Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-225 A Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-226 A Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-227 A Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-227 0 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-227 1 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-227 2 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-227 3 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-227 4 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-227 5 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-227 6 Concord NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2013-12-13   

<< 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: Sun, 06 Oct 2024 02:51:32 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.