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: GNFDMOXADS1

Remotes:

Switch Switch name Switch type
ARCLMOXARS0  ARCOLA  DCL 
DDVLMOXARS0  DADEVILLE  DCL 
EVTNMOXARS0  EVERTON  DCL 
JRSPMOXARS0  JERICO SPRINGS  DCL 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
417-637 A Greenfield MO 1151 BRIGHTSPEED OF EAST MISSOURI, LLC 522      
417-637 0 Greenfield MO 1151 BRIGHTSPEED OF EAST MISSOURI, LLC 522      
417-637 2 Greenfield MO 1151 BRIGHTSPEED OF EAST MISSOURI, LLC 522      
417-637 5 Greenfield MO 1151 BRIGHTSPEED OF EAST MISSOURI, LLC 522      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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