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: KSCYMO55XJZ

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
913-733 9 De Soto KS 490J BOOST SUBSCRIBERCO L.L.C. 524   2022-09-08   
913-828 9 Leavenworth KS 490J BOOST SUBSCRIBERCO L.L.C. 524   2023-01-15   
913-879 4 Bucyrus KS 490J BOOST SUBSCRIBERCO L.L.C. 524   2022-12-20   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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