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.
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Switch: BRJTMOXADS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
660-729 A Clearmont MO 4401 IAMO COMMUNICATIONS, INC. 524      
660-729 0 Clearmont MO 4401 IAMO COMMUNICATIONS, INC. 524      
660-729 1 Clearmont MO 4401 IAMO COMMUNICATIONS, INC. 524      
660-729 2 Clearmont MO 4401 IAMO COMMUNICATIONS, INC. 524      
660-729 3 Clearmont MO 4401 IAMO COMMUNICATIONS, INC. 524      
660-729 4 Clearmont MO 4401 IAMO COMMUNICATIONS, INC. 524      
660-742 A Elmo MO 4401 IAMO COMMUNICATIONS, INC. 524      
660-984 A Westboro MO 4401 IAMO COMMUNICATIONS, INC. 524      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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