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.

Plymouth, NH

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
603-238 A MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-238 0 ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122   2008-04-18   
603-238 2 MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-238 3 MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2006-10-30   
603-238 4 PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122   2002-09-19   
603-238 5 PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122   2004-10-09   
603-238 6 MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-238 7 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-01-05   
603-238 8   5562 METROPCS, INC. 122   2005-07-16   
603-238 9 MNCHNHCOXPZ  853C TIME WARNER CABLE INFORMATION SVCS (NEW HAMPSHIRE) 122   2012-10-02   
603-254 A MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-254 0 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2013-03-12   
603-254 1 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2015-05-13   
603-254 2 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-254 3 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-254 4 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-254 5 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-254 6 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-254 7 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-254 8 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-254 9 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-346 A MNCHNHAC9MD  321J HD CARRIER LLC 122      
603-346 0 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2016-01-26   
603-346 1 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2016-01-26   
603-346 2 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2018-06-23   
603-346 4 MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-346 9 MNCHNHAC9MD  321J HD CARRIER LLC 122   2022-04-01   
603-412 A MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-412 2 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-12-12   
603-412 4 MNCHNHNI9MD  5562 METROPCS, INC. 122   2021-06-06   
603-412 6 DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2016-02-22   
603-412 7 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-481 A MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-481 0 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-481 1 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-481 2 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-481 3   145J TERRA NOVA TELECOM INC. 122   2021-12-12   
603-481 6 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-481 7 MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2005-08-18   
603-481 8 MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2005-08-18   
603-535 A MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-536 A PLMONHLHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-779 A MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-779 0 MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122   2001-06-06   
603-779 1 MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122   2023-01-12   
603-779 3 MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122   2023-08-06   
603-779 5 MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2004-08-23   
603-779 9 MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-947 A PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-947 0 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      

1 2 >>

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.