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: CONRTXXADS0

Remotes:

Switch Switch name Switch type
CTSHTXXCRS0  CUT AND SHOOT  DMT 
GNLDTXXGRS0  GRANGERLAND  DMT 
LKCFTXXLRS0  CONROE  DMH 
MTGMTXXMRS0  MONTGOMERY  DMH 
RVBKTXXRRS0  CONROE  DMH 
WLDMTXXWRS0  MONTGOMERY  DMH 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
936-335 A Conroe TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-441 A Conroe EMS TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-442 A Conroe EMS TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-444 A Conroe EMS TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-494 A Conroe TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-520 A Conroe TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-521 A Conroe TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-522 A Conroe TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-523 A Conroe TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-524 A Conroe TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-525 A Conroe TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-538 A Conroe TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-539 A Conroe TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-709 A Conroe TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-756 A Conroe TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-760 A Conroe TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-788 A Conroe TX 2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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