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: 979 [Rate centres in NPA 979] [Dial plan for NPA 979]

NXX: 487

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-487 A Clute-Lake Jackson TX HSTDTXBG5MD  6664 SPRINT SPECTRUM, L.P. 560      
979-487 0 Clute-Lake Jackson TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-02-16   
979-487 1 Clute-Lake Jackson TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-12-11   
979-487 2 Clute-Lake Jackson TX HSTNTXMOX7X  318J COMCAST IP PHONE LLC 560   2018-07-03   
979-487 3 Clute-Lake Jackson TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-02-16   
979-487 4 Clute-Lake Jackson TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-12-11   
979-487 5 Clute-Lake Jackson TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-12-11   
979-487 6 Clute-Lake Jackson TX HSTNTXYANMD  506J TWILIO INTERNATIONAL INC 560   2020-10-08   
979-487 7 Clute-Lake Jackson TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2017-02-06   
979-487 8 Clute-Lake Jackson TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2020-05-09   
979-487 9 Clute-Lake Jackson TX HSTDTXBG5MD  6664 SPRINT SPECTRUM, L.P. 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.