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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: STSPCO052MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-269 A Maybell CO 013B UNION TELEPHONE COMPANY 656      
970-326 A Craig CO 013B UNION TELEPHONE COMPANY 656      
970-537 A Kremmling CO 013B UNION TELEPHONE COMPANY 656      
970-574 A Rangely CO 013B UNION TELEPHONE COMPANY 656      
970-655 A Granby CO 013B UNION TELEPHONE COMPANY 656      
970-734 A Steamboat Springs CO 013B UNION TELEPHONE COMPANY 656      
970-745 A Grand Junction CO 013B UNION TELEPHONE COMPANY 656      
970-750 A Walden CO 013B UNION TELEPHONE COMPANY 656      
970-751 A Delta CO 013B UNION TELEPHONE COMPANY 656      
970-755 A Rangely CO 013B UNION TELEPHONE COMPANY 656      
970-756 A Craig CO 013B UNION TELEPHONE COMPANY 656      
970-757 A Hayden CO 013B UNION TELEPHONE COMPANY 656      
970-758 A Fraser CO 013B UNION TELEPHONE COMPANY 656      
970-767 A Fort Collins CO 013B UNION TELEPHONE COMPANY 656      
970-770 A Montrose CO 013B UNION TELEPHONE COMPANY 656      
970-873 A Walden CO 013B UNION TELEPHONE COMPANY 656      
970-942 A Meeker CO 013B UNION TELEPHONE COMPANY 656      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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