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: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
814-257 A Dayton (Armstrong) PA DAYTPAXDRS0  0176 WINDSTREAM PENNSYLVANIA, INC. 230      
814-257 0 Dayton (Armstrong) PA DAYTPAXDRS0  0176 WINDSTREAM PENNSYLVANIA, INC. 230      
814-257 2 Dayton (Armstrong) PA ALNAPAALXZX  318J COMCAST IP PHONE, LLC 230   2009-04-08   
814-257 3 Dayton (Armstrong) PA STMYPAXSGMD  547E ONVOY, LLC - PA 230   2016-06-15   
814-257 4 Dayton (Armstrong) PA STMYPAXSGMD  547E ONVOY, LLC - PA 230   2016-06-15   
814-257 5 Dayton (Armstrong) PA STMYPAXSGMD  547E ONVOY, LLC - PA 230   2020-05-07   
814-257 6 Dayton (Armstrong) PA DAYTPAXDRP0  0176 WINDSTREAM PENNSYLVANIA, INC. 230      
814-257 7 Dayton (Armstrong) PA BDFRPAXB6MD  508J CENTURYLINK COMMUNICATIONS, LLC 230   2015-04-16   
814-257 8 Dayton (Armstrong) PA DAYTPAXDRS0  0176 WINDSTREAM PENNSYLVANIA, INC. 230      
814-257 9 Dayton (Armstrong) PA DAYTPAXDRS0  0176 WINDSTREAM PENNSYLVANIA, INC. 230      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.