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: MNCHNHCO18Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
603-288 A Nashua NH 197D VONAGE AMERICA LLC 122      
603-288 0 Nashua NH 197D VONAGE AMERICA LLC 122   2017-08-26   
603-333 8 Concord NH 197D VONAGE AMERICA LLC 122   2018-12-06   
603-333 9 Concord NH 197D VONAGE AMERICA LLC 122   2018-12-06   
603-450 1 Concord NH 197D VONAGE AMERICA LLC 122   2018-12-06   
603-450 2 Concord NH 197D VONAGE AMERICA LLC 122   2018-12-06   
603-450 3 Concord NH 197D VONAGE AMERICA LLC 122   2018-12-06   
603-450 4 Concord NH 197D VONAGE AMERICA LLC 122   2018-12-06   
603-450 5 Concord NH 197D VONAGE AMERICA LLC 122   2018-12-06   
603-450 6 Concord NH 197D VONAGE AMERICA LLC 122   2018-12-06   
603-450 7 Concord NH 197D VONAGE AMERICA LLC 122   2018-12-06   
603-450 8 Concord NH 197D VONAGE AMERICA LLC 122   2018-12-06   
603-956 A Portsmouth NH 197D VONAGE AMERICA LLC 122      
603-956 2 Portsmouth NH 197D VONAGE AMERICA LLC 122   2022-09-23   

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

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