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: LWTNOKTBDS0

Remotes:

Switch Switch name Switch type
CACHOKMARS1  CACHE  RSC 
INDHOKMARL1  INDIAHOMA  RLC 
LWTNOKWERS1  LAWTON  RSC 
WLTROKMARS1  WALTERS  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
580-248 A Lawton OK 9533 SOUTHWESTERN BELL 536      
580-250 A Lawton OK 9533 SOUTHWESTERN BELL 536      
580-351 A Lawton OK 9533 SOUTHWESTERN BELL 536      
580-353 A Lawton OK 9533 SOUTHWESTERN BELL 536      
580-354 A Lawton OK 9533 SOUTHWESTERN BELL 536      
580-355 A Lawton OK 9533 SOUTHWESTERN BELL 536      
580-357 A Lawton OK 9533 SOUTHWESTERN BELL 536      
580-442 A Lawton OK 9533 SOUTHWESTERN BELL 536      
580-458 A Lawton OK 9533 SOUTHWESTERN BELL 536      
580-460 A Lawton OK 9533 SOUTHWESTERN BELL 536      
580-483 A Lawton OK 9533 SOUTHWESTERN BELL 536      
580-558 A Lawton OK 9533 SOUTHWESTERN BELL 536   2009-03-08   
580-581 A Lawton OK 9533 SOUTHWESTERN BELL 536      
580-585 A Lawton OK 9533 SOUTHWESTERN BELL 536      
580-591 A Lawton OK 9533 SOUTHWESTERN BELL 536      
580-595 A Lawton OK 9533 SOUTHWESTERN BELL 536      
580-730 A Lawton OK 9533 SOUTHWESTERN BELL 536      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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