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: 638

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-638 A Urich MO URCHMOXARS0  1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 524      
660-638 0 Urich MO URCHMOXARS0  1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 524      
660-638 2 Urich MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524   2021-05-15   
660-638 4 Urich MO URCHMOXARS0  1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 524      
660-638 5 Urich MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524   2020-07-10   
660-638 6 Urich MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524   2020-07-10   

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

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