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: LBCKTXPSDS0

Remotes:

Switch Switch name Switch type
FLDDTXFLRS0  Floydada  RSC 
HLCTTXHCRS0  Hale Center  RSC 
LBCKTXNDRS0  New Deal  RSC 
LCKNTXLORS0  Lockney  RSC 
SLATTXSLRS0  Slaton  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-321 A Lubbock TX 9533 SOUTHWESTERN BELL 544      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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