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: YUKNOKMADS0

Remotes:

Switch Switch name Switch type
HTCHOKMARS1  HITCHCOCK  5ER 
MSTNOKMARS1  MUSTANG  5E 
OKCYOKWHRS1  OKLAHOMA CITY  5ER 
PDMTOKMARS0  PIEDMONT  5ER 
YUKNOKSORSC  YUKON  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
405-350 A Yukon OK 9533 SOUTHWESTERN BELL 536      
405-354 A Yukon OK 9533 SOUTHWESTERN BELL 536      
405-578 3 Yukon OK 9533 SOUTHWESTERN BELL 536   2014-10-24   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.