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.

Switch: HSTNTXJAXQY

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
979-588 5 Hempstead TX 490J BOOST SUBSCRIBERCO L.L.C. 560   2022-09-04   
979-608 2 Bellville TX 490J BOOST SUBSCRIBERCO L.L.C. 560   2022-09-04   
979-837 2 Angleton TX 490J BOOST SUBSCRIBERCO L.L.C. 560   2022-12-12   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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