Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 235 [Rate centres in NPA 235] [Dial plan for NPA 235]

NXX: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
235-221 A Jefferson City MO   321J HD CARRIER LLC 521   2026-05-22   
235-221 3 Jefferson City MO   6529 T-MOBILE USA, INC. 521   2026-05-25   
235-221 5 Jefferson City MO   6529 T-MOBILE USA, INC. 521   2026-05-25   
235-221 7 Jefferson City MO   321J HD CARRIER LLC 521   2026-05-22   
235-221 8 Jefferson City MO   321J HD CARRIER LLC 521   2026-05-22   
235-221 9 Jefferson City MO   321J HD CARRIER LLC 521   2026-05-22   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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