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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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
303-201 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-206 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-207 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-208 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-213 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-230 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-240 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-251 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-266 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-461 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-490 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-540 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-553 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-560 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-599 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-609 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-610 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-612 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-613 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-686 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-687 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-760 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-821 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-826 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-851 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-852 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-855 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-878 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-890 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-891 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      
303-897 A Denver CO 6630 USA MOBILITY WIRELESS, INC. 656      

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

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