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: DNVRCO26DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
303-226 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
303-228 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
303-285 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
303-301 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
303-327 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
303-345 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
303-376 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
303-381 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
303-385 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
303-386 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
303-563 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
303-590 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
303-625 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
303-653 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
303-827 A Longmont CO 7801 ICG TELECOM GROUP - CO 656      
303-848 A Longmont CO 7801 ICG TELECOM GROUP - CO 656      
303-854 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
303-963 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
720-379 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
720-684 A Longmont CO 7801 ICG TELECOM GROUP - CO 656      
720-836 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
720-865 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
720-877 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
720-878 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
720-879 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
720-880 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
720-881 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
720-882 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
720-883 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
720-913 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
720-921 A Denver CO 7801 ICG TELECOM GROUP - CO 656      
970-212 A Fort Collins CO 7801 ICG TELECOM GROUP - CO 656      
970-292 A Loveland CO 7801 ICG TELECOM GROUP - CO 656      
970-295 A Fort Collins CO 7801 ICG TELECOM GROUP - CO 656      
970-297 A Fort Collins CO 7801 ICG TELECOM GROUP - CO 656      
970-313 A Greeley CO 7801 ICG TELECOM GROUP - CO 656      
970-762 A Sterling CO 7801 ICG TELECOM GROUP - CO 656      
970-763 A Vail CO 7801 ICG TELECOM GROUP - CO 656      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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