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: 522

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-522 A Kemah TX KEMHTXXAH01  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-522 0 Kemah TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-05-22   
281-522 1 Kemah TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-07-17   
281-522 2 Kemah TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2020-07-08   
281-522 3 Kemah TX KEMHTXXAH01  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-522 4 Kemah TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2020-07-08   
281-522 5 Kemah TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2020-07-08   
281-522 6 Kemah TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2020-07-08   
281-522 7 Kemah TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2020-07-08   
281-522 8 Kemah TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-05-22   
281-522 9 Kemah TX KEMHTXXAH01  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.