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: DVNPIAEADS0

Remotes:

Switch Switch name Switch type
DVNPIANERS1  DAVENPORT NORTHEAST  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
563-344 A Davenport IA 9631 QWEST CORPORATION 634      
563-355 A Davenport IA 9631 QWEST CORPORATION 634      
563-359 A Davenport IA 9631 QWEST CORPORATION 634      
563-421 A Davenport IA 9631 QWEST CORPORATION 634      
563-441 A Davenport IA 9631 QWEST CORPORATION 634      
563-459 A Davenport IA 9631 QWEST CORPORATION 634      

Last updated: Sun, 31 May 2020 11:59:01 UTC

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