Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 660 [Rate centres in NPA 660] [Dial plan for NPA 660]

NXX: 933

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-933 A Omaha MO GNCYMOXADS0  1931 NORTHEAST MISSOURI RURAL TEL. CO. 524      
660-933 4 Omaha MO   1931 NORTHEAST MISSOURI RURAL TEL. CO. 524      
660-933 7 Omaha MO   1931 NORTHEAST MISSOURI RURAL TEL. CO. 524      
660-933 9 Omaha MO   1931 NORTHEAST MISSOURI RURAL TEL. CO. 524      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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