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: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-542 A Quinlan TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
430-542 0 Quinlan TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-05-12   
430-542 1 Quinlan TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-05-12   
430-542 2 Quinlan TX DLLSTX97X1X  073H TELNYX LLC 552   2019-05-17   
430-542 3 Quinlan TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-11-23   
430-542 5 Quinlan TX   793K TWC IP ENABLED SERVICES, LLC 552   2022-02-23   
430-542 6 Quinlan TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552   2021-09-09   
430-542 7 Quinlan TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2023-12-25   
430-542 8 Quinlan TX DLLSTX97TMD  939H COMMIO, LLC 552   2021-11-18   
430-542 9 Quinlan TX DLLSTX97TMD  939H COMMIO, LLC 552   2021-11-18   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.