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: ENWDCO69CM1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
303-246 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
303-257 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
303-437 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
303-505 A Denver CO 6664 SPRINT SPECTRUM L.P. 656   2012-12-24   
303-507 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
303-520 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
303-521 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
303-522 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
303-525 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
303-587 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
303-596 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
303-725 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
303-946 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
303-949 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
303-995 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-203 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-205 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-209 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-218 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-232 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-233 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-234 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-235 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-236 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-252 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-253 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-254 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-255 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-256 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-260 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-270 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-271 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-290 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-291 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-300 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-301 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-312 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-313 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-314 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-318 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-319 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-331 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-333 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-334 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-335 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-339 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-350 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-351 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-353 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-363 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      

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

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