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: TNKHPAXT1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
272-247 A Middlebury Center PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 232      
570-250 A Towanda PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 232      
570-699 A Towanda PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 232      
570-787 A Wellsboro PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 232   2025-02-24   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.