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: 361 [Rate centres in NPA 361] [Dial plan for NPA 361]

NXX: 377

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
361-377 A Skidmore TX CRCHTXTUXCZ  965H FRACTEL, LLC 564      
361-377 0 Skidmore TX CRCHTXTUX5Z  073H TELNYX LLC 564   2021-04-09   
361-377 1 Skidmore TX CRCHTXTUX7Z  624H ONVOY SPECTRUM, LLC 564   2024-05-23   
361-377 2 Skidmore TX CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2021-03-18   
361-377 3 Skidmore TX CRCHTXBB2MD  145J TERRA NOVA TELECOM INC. 564   2024-02-13   
361-377 7 Skidmore TX CRCHTXTUXCZ  965H FRACTEL, LLC 564   2020-09-06   
361-377 9 Skidmore TX   515J IP HORIZON LLC 564   2025-03-30   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.