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.

Switch: DOVRNHTH8MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
603-292 7 Newmarket NH 2698 CTC COMMUNICATIONS CORP. - NH 122   2005-11-14   
603-334 1 Portsmouth NH 2698 CTC COMMUNICATIONS CORP. - NH 122   2001-05-01   
603-347 6 Kingston NH 2698 CTC COMMUNICATIONS CORP. - NH 122   2005-03-20   
603-379 7 Rye Beach NH 2698 CTC COMMUNICATIONS CORP. - NH 122   2004-02-17   
603-397 1 Durham NH 2698 CTC COMMUNICATIONS CORP. - NH 122   2001-05-29   
603-509 A Rochester NH 2698 CTC COMMUNICATIONS CORP. - NH 122      
603-509 1 Rochester NH 2698 CTC COMMUNICATIONS CORP. - NH 122   2001-11-29   
603-601 1 Hampton NH 2698 CTC COMMUNICATIONS CORP. - NH 122   2004-02-21   
603-610 A Portsmouth NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-610 0 Portsmouth NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-610 1 Portsmouth NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-610 2 Portsmouth NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-610 6 Portsmouth NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-610 9 Portsmouth NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-617 1 Dover NH 2698 CTC COMMUNICATIONS CORP. - NH 122   2001-05-01   
603-755 5 Farmington NH 2698 CTC COMMUNICATIONS CORP. - NH 122   2006-09-02   
603-758 A Hampton NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-758 6 Hampton NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-760 1 Seabrook NH 2698 CTC COMMUNICATIONS CORP. - NH 122   2005-04-18   
603-822 A Rochester NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-822 0 Rochester NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-822 1 Rochester NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122   2000-05-24   
603-822 7 Rochester NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-822 8 Rochester NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-822 9 Rochester NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-841 1 Somersworth NH 2698 CTC COMMUNICATIONS CORP. - NH 122   2001-05-01   
603-953 A Dover NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-953 0 Dover NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-953 1 Dover NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-953 2 Dover NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-953 9 Dover NH 2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-957 3 Portsmouth NH 2698 CTC COMMUNICATIONS CORP. - NH 122   2006-03-20   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.