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: VIVNLAXADS0

Remotes:

Switch Switch name Switch type
BLCHLAXARS1  BELCHER  DC1 
GLLMLAXARS1  GILLIAM  DC1 
HSTNLAXARS1  HOSSTON  DCL 
IDA LAXARS1  IDA  DC1 
RDSSLAXARS1  RODESSA  DC1 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
318-375 A Vivian LA 0434 BRIGHTSPEED OF LOUISIANA, LLC 486      
903-672 A Vivian TX 0434 BRIGHTSPEED OF LOUISIANA, LLC 486      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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