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.

Houston Suburban, TX

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
832-347 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-347 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-347 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-347 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-347 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-347 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-347 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-347 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-347 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-347 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-347 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-351 A HSTNTXALDS0  9533 SOUTHWESTERN BELL 560      
832-351 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2010-10-16   
832-351 1 HSTNTXALDS0  9533 SOUTHWESTERN BELL 560      
832-351 2 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2020-10-25   
832-351 3 HSTNTXALDS0  9533 SOUTHWESTERN BELL 560      
832-351 4 HSTNTXALDS0  9533 SOUTHWESTERN BELL 560      
832-351 5 HSTNTXALDS0  9533 SOUTHWESTERN BELL 560      
832-351 6 HSTNTXALDS0  9533 SOUTHWESTERN BELL 560      
832-351 7 HSTNTXALDS0  9533 SOUTHWESTERN BELL 560      
832-351 8 HSTNTXALDS0  9533 SOUTHWESTERN BELL 560      
832-351 9 HSTNTXALDS0  9533 SOUTHWESTERN BELL 560      
832-379 A HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
832-379 0 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2018-12-09   
832-379 1 HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
832-379 2 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2008-07-27   
832-379 3 HSTNTX01X7X  516C AT&T CORP. 560   2011-03-18   
832-379 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2024-12-07   
832-379 5 HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2010-11-24   
832-379 6 HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
832-379 7 HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2010-11-24   
832-379 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2011-11-16   
832-379 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2011-11-16   
832-399 A   903C ONVOY, LLC - TX 560      
832-399 0   903C ONVOY, LLC - TX 560   2025-10-20   
832-399 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2026-01-30   
832-399 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2026-01-30   
832-399 3   903C ONVOY, LLC - TX 560      
832-399 4   903C ONVOY, LLC - TX 560      
832-399 5   903C ONVOY, LLC - TX 560      
832-399 6   903C ONVOY, LLC - TX 560      
832-399 7   145J TERRA NOVA TELECOM INC. 560   2025-10-21   
832-399 8   903C ONVOY, LLC - TX 560      
832-399 9   903C ONVOY, LLC - TX 560      
832-406 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-406 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2012-10-11   
832-406 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2012-10-11   
832-406 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2012-10-11   
832-406 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2012-10-12   
832-406 4 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-08-14   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.