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: 994

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-994 A Edina MO KSCYMO03AMD  145J TERRA NOVA TELECOM INC. 524      
660-994 6 Edina MO KSCYMO09YMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 524   2023-09-17   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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