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]

NXX: 419

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-419 A Suncook NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-419 0 Suncook NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-419 1 Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2018-06-04   
603-419 2 Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2019-04-25   
603-419 3 Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2019-04-25   
603-419 5 Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2019-06-11   
603-419 6 Suncook NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-419 7 Suncook NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-419 8 Suncook NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-419 9 Suncook NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.