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: 281 [Rate centres in NPA 281] [Dial plan for NPA 281]

NXX: 524

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-524 A Kemah TX KEMHTXXBH01  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-524 0 Kemah TX   997G LOCAL ACCESS LLC - TX 560   2016-03-28   
281-524 1 Kemah TX   997G LOCAL ACCESS LLC - TX 560   2017-07-14   
281-524 2 Kemah TX   903C ONVOY, LLC - TX 560   2020-11-14   
281-524 3 Kemah TX   903C ONVOY, LLC - TX 560   2020-11-14   
281-524 4 Kemah TX   903C ONVOY, LLC - TX 560   2020-11-14   
281-524 5 Kemah TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-524 6 Kemah TX   903C ONVOY, LLC - TX 560   2021-01-17   
281-524 7 Kemah TX   903C ONVOY, LLC - TX 560   2021-01-17   
281-524 8 Kemah TX   903C ONVOY, LLC - TX 560   2021-01-17   
281-524 9 Kemah TX   903C ONVOY, LLC - TX 560   2021-01-17   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.