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: 814 [Rate centres in NPA 814] [Dial plan for NPA 814]

NXX: 552

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
814-552 A Altoona PA ALNAPAAC3MD  073H TELNYX LLC 230      
814-552 0 Altoona PA ALNAPAALX0Y  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 230   2018-01-04   
814-552 1 Altoona PA ALNAPAAC3MD  073H TELNYX LLC 230   2017-07-20   
814-552 2 Altoona PA   145J TERRA NOVA TELECOM INC. 230   2024-02-16   

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.