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: NWLXOH3434C

Remotes:

Switch Switch name Switch type
CRNGOH34RS1  CORNING  5ER 
GLFROH65RS1  GLENFORD  ORM 
MYCYOH76RS1  MURRAY CITY  ORM 
NLVLOH75RS1  NELSONVILLE  5ER 
SHWNOH39RS1  SHAWNEE  5ER 
SMRTOH74RS1  SOMERSET  5ER 
THVLOH24RS1  THORNVILLE  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
740-342 A New Lexington OH 9321 OHIO BELL TEL CO 324      
740-343 A New Lexington OH 9321 OHIO BELL TEL CO 324      

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

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