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: 936 [Rate centres in NPA 936] [Dial plan for NPA 936]

NXX: 427

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
936-427 A Center TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
936-427 0 Center TX HSTZTXXZ3MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
936-427 1 Center TX   145J TERRA NOVA TELECOM INC. 560      
936-427 2 Center TX HSTZTXXZ3MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
936-427 3 Center TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
936-427 4 Center TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
936-427 5 Center TX HSTNTX01X7X  516C AT&T CORP. 560      
936-427 6 Center TX HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560      
936-427 7 Center TX HSTZTXXZ3MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
936-427 8 Center TX HSTSTXJV6MD  508J CENTURYLINK COMMUNICATIONS, LLC 560      
936-427 9 Center TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.