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: DESMIAEADS0

Remotes:

Switch Switch name Switch type
CLFXIACORS0  COLFAX  5ER 
PRCYIACORS0  PRAIRIE CITY  5ER 
RNLSIACORS0  RUNNELLS  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
515-261 A Des Moines IA 9631 QWEST CORPORATION 632      
515-262 A Des Moines IA 9631 QWEST CORPORATION 632      
515-263 A Des Moines IA 9631 QWEST CORPORATION 632      
515-264 A Des Moines IA 9631 QWEST CORPORATION 632      
515-265 A Des Moines IA 9631 QWEST CORPORATION 632      
515-266 A Des Moines IA 9631 QWEST CORPORATION 632      
515-299 A Des Moines IA 9631 QWEST CORPORATION 632      
515-312 A Des Moines IA 9631 QWEST CORPORATION 632      
515-564 A Des Moines IA 9631 QWEST CORPORATION 632      
515-645 A Des Moines IA 9631 QWEST CORPORATION 632      
515-695 A Des Moines IA 9631 QWEST CORPORATION 632      

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

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