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
603-932 4 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2019-10-15   
603-932 5 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2019-10-15   
603-932 6 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2018-09-11   
603-932 7 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2018-08-02   
603-932 8 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2018-04-14   
603-932 9 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2018-04-14   
603-933 A Greenfield NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-933 0 Greenfield NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-09-12   
603-933 1 Greenfield NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2016-05-01   
603-933 2 Greenfield NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2013-10-05   
603-933 3 Greenfield NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-12-04   
603-933 4 Greenfield NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2023-11-10   
603-933 7 Greenfield NH   073H TELNYX LLC 122   2024-07-27   
603-933 8 Greenfield NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2022-08-26   
603-933 9 Greenfield NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2019-07-25   
603-934 A Franklin NH FKLNNHFRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-935 A Manchester NH   318J COMCAST IP PHONE, LLC 122      
603-935 0 Manchester NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2019-11-29   
603-935 1 Manchester NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122   2017-10-31   
603-935 2 Manchester NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122   2017-10-31   
603-935 3 Manchester NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122   2017-10-31   
603-935 4 Manchester NH   996E BANDWIDTH.COM CLEC, LLC - NH 122   2010-11-26   
603-935 5 Manchester NH   996E BANDWIDTH.COM CLEC, LLC - NH 122   2006-05-26   
603-935 6 Manchester NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2018-02-02   
603-935 7 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-11-30   
603-935 8 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-11-30   
603-935 9 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-11-30   
603-937 A Meredith NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-937 0 Meredith NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-08-14   
603-937 1 Meredith NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-01-05   
603-937 2 Meredith NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2023-02-10   
603-937 3 Meredith NH   793K TWC IP ENABLED SERVICES, LLC 122   2013-07-30   
603-937 4 Meredith NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2014-06-01   
603-937 5 Meredith NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2019-08-10   
603-937 6 Meredith NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2017-07-29   
603-937 7 Meredith NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2010-05-19   
603-937 8 Meredith NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2015-03-16   
603-938 A Bradford NH BRFRNHXARP0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-938 0 Bradford NH BRFRNHXARP0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-938 2 Bradford NH BRFRNHXARP0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-938 5 Bradford NH BRFRNHXARP0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-938 6 Bradford NH BRFRNHXARP0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-939 A East Conway NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-939 0 East Conway NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-939 1 East Conway NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-939 2 East Conway NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-939 3 East Conway NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-939 4 East Conway NH   793K TWC IP ENABLED SERVICES, LLC 122   2012-10-22   
603-939 6 East Conway NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-939 7 East Conway NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-939 8 East Conway NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-939 9 East Conway NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-941 A Wolfeboro NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-941 0 Wolfeboro NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2001-03-26   
603-941 1 Wolfeboro NH MNCHNHCOXAZ  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2015-11-24   
603-941 3 Wolfeboro NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-07-01   
603-941 4 Wolfeboro NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2003-03-23   
603-941 5 Wolfeboro NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2013-03-05   
603-941 7 Wolfeboro NH   145J TERRA NOVA TELECOM INC. 122   2024-02-02   
603-941 8 Wolfeboro NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2016-05-11   
603-941 9 Wolfeboro NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-942 A Northwood NH NWODNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-942 0 Northwood NH   145J TERRA NOVA TELECOM INC. 122   2021-05-27   
603-942 1 Northwood NH MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122   2021-12-12   
603-942 2 Northwood NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2002-09-19   
603-942 5 Northwood NH NWODNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-942 6 Northwood NH ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122   2008-04-18   
603-942 7 Northwood NH NWODNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-942 8 Northwood NH NWODNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-942 9 Northwood NH NWODNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-943 A Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-943 0 Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-943 1 Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-943 2 Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-943 3 Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-943 4 Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-943 5 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2009-02-09   
603-943 6 Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-943 7 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2011-08-05   
603-943 8 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2012-09-19   
603-943 9 Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-944 A South Hampton NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-944 0 South Hampton NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-944 1 South Hampton NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-944 2 South Hampton NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2003-08-03   
603-944 3 South Hampton NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2003-10-11   
603-944 4 South Hampton NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2003-03-23   
603-944 5 South Hampton NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2003-12-29   
603-944 6 South Hampton NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-944 7 South Hampton NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-944 8 South Hampton NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2004-11-26   
603-944 9 South Hampton NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-04-29   
603-945 A Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-945 0 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2007-10-07   
603-945 1 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2018-09-11   
603-945 2 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2018-05-13   
603-945 3 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2016-06-07   
603-945 4 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2018-05-13   
603-945 5 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2018-05-13   
603-945 6 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2019-06-06   

<< 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: ISP Telecom

Like this site? We accept donations via PayPal.