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: 235 [Rate centres in NPA 235] [Dial plan for NPA 235]

NXX: 333

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
235-333 A Jackson MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2025-09-09   
235-333 0 Jackson MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2025-09-09   
235-333 1 Jackson MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-09-16   
235-333 2 Jackson MO   490J BOOST SUBSCRIBERCO L.L.C. 520   2026-08-20   
235-333 3 Jackson MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2025-09-09   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.