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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OCN: 4401 IAMO COMMUNICATIONS, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
660-725 A Burlington Junction MO BRJTMOXADS0  524      
660-725 0 Burlington Junction MO BRJTMOXADS0  524      
660-725 1 Burlington Junction MO BRJTMOXADS0  524      
660-725 2 Burlington Junction MO BRJTMOXADS0  524      
660-725 3 Burlington Junction MO BRJTMOXADS0  524      
660-725 4 Burlington Junction MO BRJTMOXADS0  524      
660-725 5 Burlington Junction MO BRJTMOXADS0  524      
660-725 6 Burlington Junction MO BRJTMOXADS0  524      
660-725 8 Burlington Junction MO BRJTMOXADS0  524      
660-725 9 Burlington Junction MO BRJTMOXADS0  524      
660-729 A Clearmont MO BRJTMOXADS1  524      
660-729 0 Clearmont MO BRJTMOXADS1  524      
660-729 1 Clearmont MO BRJTMOXADS1  524      
660-729 2 Clearmont MO BRJTMOXADS1  524      
660-729 3 Clearmont MO BRJTMOXADS1  524      
660-729 4 Clearmont MO BRJTMOXADS1  524      
660-742 A Elmo MO BRJTMOXADS1  524      
660-984 A Westboro MO BRJTMOXADS1  524      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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