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: ELDNMOEXDSA

Remotes:

Switch Switch name Switch type
CLSPMOFIRSA  CLIMAX SPRINGS  5BR 
CLSPMONORS7  CLIMAX SPRINGS  5BR 
CMTNMODIRS5  CAMDENTON SOUTH  5BR 
CMTNMONORS8  CAMDENTON NORTH  5BR 
FLTNMOMIRS0  FULTON  EXM 
GRMLMOFRRSB  GRAVOIS MILLS  5ER 
HSBNMOHBRS1  LAKE OZARK  5ER 
LKOZMOENRS0  LAKE OZARK  5ER 
MCCKMOEMRS9  MACKS CREEK  5ER 
OSBHMOFIRS4  OSAGE BEACH  5ER 
SNBHMOFRRS6  SUNRISE BEACH  5ER 
TSCMMOEMRS2  TUSCUMBIA  5ER 
VRSLMODRRS3  VERSAILLES  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
573-365 A Lake Ozark-Osage Beach MO 9533 SOUTHWESTERN BELL 520      
573-392 A Eldon MO 9533 SOUTHWESTERN BELL 520      

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

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