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: DNVRCOMA47Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
303-243 A Denver CO 6874 N.E. COLORADO CELLULAR, INC. 656      
303-243 0 Denver CO 6874 N.E. COLORADO CELLULAR, INC. 656      
303-243 1 Denver CO 6874 N.E. COLORADO CELLULAR, INC. 656      
303-243 6 Denver CO 6874 N.E. COLORADO CELLULAR, INC. 656      
303-243 7 Denver CO 6874 N.E. COLORADO CELLULAR, INC. 656      
303-243 8 Denver CO 6874 N.E. COLORADO CELLULAR, INC. 656      
303-243 9 Denver CO 6874 N.E. COLORADO CELLULAR, INC. 656      
970-360 9 Yuma CO 6874 N.E. COLORADO CELLULAR, INC. 656   2018-01-19   
970-466 A Sterling CO 6874 N.E. COLORADO CELLULAR, INC. 656      
970-467 A Fort Morgan CO 6874 N.E. COLORADO CELLULAR, INC. 656      
970-520 A Sterling CO 6874 N.E. COLORADO CELLULAR, INC. 656      
970-554 A Akron CO 6874 N.E. COLORADO CELLULAR, INC. 656      
970-630 A Yuma CO 6874 N.E. COLORADO CELLULAR, INC. 656      
970-768 A Fort Morgan CO 6874 N.E. COLORADO CELLULAR, INC. 656      
970-965 9 Yuma CO 6874 N.E. COLORADO CELLULAR, INC. 656   2019-12-18   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.