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.

Pipe Creek EMS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
830-510 A PCRKTXPCDS0  9533 SOUTHWESTERN BELL 566      
830-510 0 SNANTXDIRMD  903C ONVOY, LLC - TX 566   2021-01-29   
830-510 1 SNANTXDIRMD  903C ONVOY, LLC - TX 566   2015-08-08   
830-510 2 SNANTXDIRMD  903C ONVOY, LLC - TX 566   2021-01-29   
830-510 3 SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566   2018-02-04   
830-510 4 PCRKTXPCDS0  9533 SOUTHWESTERN BELL 566      
830-510 6 PCRKTXPCDS0  9533 SOUTHWESTERN BELL 566      
830-510 7 SNANTXCA60Z  508J CENTURYLINK COMMUNICATIONS, LLC 566   2016-11-23   
830-510 9   145J TERRA NOVA TELECOM INC. 566   2022-07-07   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.