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: 743 [Rate centres in NPA 743] [Dial plan for NPA 743]

NXX: 240

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
743-240 A Stanleyville NC GNBONCEU65Z  5562 METROPCS, INC. 424      
743-240 1 Stanleyville NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2023-10-08   
743-240 2 Stanleyville NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2022-07-31   
743-240 3 Stanleyville NC GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2024-03-24   
743-240 4 Stanleyville NC GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2024-03-24   
743-240 8 Stanleyville NC GNBONCCKX3Y  073H TELNYX LLC 424   2022-09-11   
743-240 9 Stanleyville NC GNBONCEU65Z  5562 METROPCS, INC. 424   2022-01-15   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.