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.
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Switch: CRYSMIXIDS0

Remotes:

Switch Switch name Switch type
VCVLMIXIRS0  VICKERYVILLE  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-235 A Crystal MI 0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-235 1 Crystal MI 0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-235 3 Crystal MI 0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-235 4 Crystal MI 0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-235 5 Crystal MI 0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-235 6 Crystal MI 0702 BRIGHTSPEED OF MICHIGAN, LLC 344      

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

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