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.
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Switch: MNCHNHCO16Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
603-205 7 Portsmouth NH 508J CENTURYLINK COMMUNICATIONS, LLC 122   2017-06-14   
603-484 7 Nashua NH 508J CENTURYLINK COMMUNICATIONS, LLC 122   2017-06-14   
603-803 A Keene NH 508J CENTURYLINK COMMUNICATIONS, LLC 122      
603-803 7 Keene NH 508J CENTURYLINK COMMUNICATIONS, LLC 122   2016-12-17   

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

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