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: CLMDOH44NMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
740-719 9 Newark OH 490J BOOST SUBSCRIBERCO L.L.C. 324   2026-01-12   
740-728 4 Coolville OH 490J BOOST SUBSCRIBERCO L.L.C. 324   2023-05-28   
740-729 5 Ashville OH 490J BOOST SUBSCRIBERCO L.L.C. 324   2022-12-16   
740-766 8 Ostrander OH 490J BOOST SUBSCRIBERCO L.L.C. 324   2022-12-16   
740-795 8 Powhatan Point OH 490J BOOST SUBSCRIBERCO L.L.C. 324   2023-08-06   
740-822 9 Hebron OH 490J BOOST SUBSCRIBERCO L.L.C. 324   2024-07-07   
740-874 0 Sedalia OH 490J BOOST SUBSCRIBERCO L.L.C. 324   2022-12-16   
740-899 1 Newark OH 490J BOOST SUBSCRIBERCO L.L.C. 324   2022-06-01   
740-904 2 Delaware OH 490J BOOST SUBSCRIBERCO L.L.C. 324   2024-07-07   

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

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