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: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
361-646 A Refugio TX   4290 STPCS JOINT VENTURE, LLC 564      
361-646 0 Refugio TX CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2023-09-18   
361-646 1 Refugio TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 564   2016-05-22   
361-646 2 Refugio TX CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2022-02-19   
361-646 3 Refugio TX CRCHTX9362Z  4290 STPCS JOINT VENTURE, LLC 564      
361-646 4 Refugio TX CRCHTX93X8Y  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 564   2012-05-19   
361-646 5 Refugio TX CRCHTXTUX1Y  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 564   2018-02-15   
361-646 6 Refugio TX   145J TERRA NOVA TELECOM INC. 564   2021-06-14   
361-646 9 Refugio TX   4290 STPCS JOINT VENTURE, LLC 564      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.