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.

Millheim, PA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
814-303 A ALNAPAALX4X  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 230      
814-303 0   3806 CORE COMMUNICATIONS, INC. - PA 230   2018-06-11   
814-303 1   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 230      
814-303 2   002F BANDWIDTH.COM CLEC, LLC - PA 230   2013-01-12   
814-303 3   3806 CORE COMMUNICATIONS, INC. - PA 230   2009-04-05   
814-303 4   547E ONVOY, LLC - PA 230   2016-09-12   
814-303 5   547E ONVOY, LLC - PA 230   2016-09-12   
814-303 6   3806 CORE COMMUNICATIONS, INC. - PA 230   2018-06-11   
814-303 7   508J CENTURYLINK COMMUNICATIONS, LLC 230   2015-04-02   
814-303 8   3806 CORE COMMUNICATIONS, INC. - PA 230   2018-06-11   
814-303 9   002F BANDWIDTH.COM CLEC, LLC - PA 230   2008-12-19   
814-349 A MLHMPAMIRS1  9208 VERIZON PENNSYLVANIA, INC. 230      
814-349 0   547E ONVOY, LLC - PA 230   2020-05-07   
814-349 1   547E ONVOY, LLC - PA 230   2020-05-07   
814-349 2   9208 VERIZON PENNSYLVANIA, INC. 230      
814-349 3   547E ONVOY, LLC - PA 230   2020-05-07   
814-349 4   9208 VERIZON PENNSYLVANIA, INC. 230      
814-349 5   9208 VERIZON PENNSYLVANIA, INC. 230      
814-349 6   145J TERRA NOVA TELECOM INC. 230   2024-02-16   
814-349 7   145J TERRA NOVA TELECOM INC. 230   2024-09-13   
814-349 8   9208 VERIZON PENNSYLVANIA, INC. 230      
814-349 9   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 230   2005-04-14   
814-930 A ALNAPAALXOX  213C IDT AMERICA, CORP. - PA 230      
814-930 0   073H TELNYX LLC 230   2021-03-11   
814-930 1   002F BANDWIDTH.COM CLEC, LLC - PA 230   2021-08-27   
814-930 2   213C IDT AMERICA, CORP. - PA 230   2021-01-15   
814-930 3   547E ONVOY, LLC - PA 230   2021-02-22   
814-930 4   547E ONVOY, LLC - PA 230   2021-02-22   
814-930 7   624H ONVOY SPECTRUM, LLC 230   2021-05-20   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.