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: FTCLCOHMDS0

Remotes:

Switch Switch name Switch type
WGTNCOMARS1  WELLINGTON  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-204 A Fort Collins CO 9636 QWEST CORPORATION 656      
970-206 A Fort Collins CO 9636 QWEST CORPORATION 656      
970-207 A Fort Collins CO 9636 QWEST CORPORATION 656      
970-223 A Fort Collins CO 9636 QWEST CORPORATION 656      
970-225 A Fort Collins CO 9636 QWEST CORPORATION 656      
970-226 A Fort Collins CO 9636 QWEST CORPORATION 656      
970-229 A Fort Collins CO 9636 QWEST CORPORATION 656      
970-237 A Fort Collins CO 9636 QWEST CORPORATION 656      
970-266 A Fort Collins CO 9636 QWEST CORPORATION 656      
970-267 A Fort Collins CO 9636 QWEST CORPORATION 656      
970-282 A Fort Collins CO 9636 QWEST CORPORATION 656      
970-288 A Fort Collins CO 9636 QWEST CORPORATION 656      
970-377 A Fort Collins CO 9636 QWEST CORPORATION 656      
970-821 A Fort Collins CO 9636 QWEST CORPORATION 656      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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