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: 430 [Rate centres in NPA 430] [Dial plan for NPA 430]

NXX: 305

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-305 A Tawakoni TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
430-305 0 Tawakoni TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-05-07   
430-305 1 Tawakoni TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-05-07   
430-305 2 Tawakoni TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2017-02-10   
430-305 3 Tawakoni TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-08-25   
430-305 4 Tawakoni TX DLLRTXVM0MD  506J TWILIO INTERNATIONAL, INC. 552   2020-10-12   
430-305 5 Tawakoni TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2021-02-03   
430-305 6 Tawakoni TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2021-02-03   
430-305 7 Tawakoni TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552   2016-06-09   
430-305 8 Tawakoni TX DLLSTXRIXIY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2022-04-24   
430-305 9 Tawakoni TX DLLSTX97X1X  073H TELNYX LLC 552   2018-10-19   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.