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: ZNVLOH4545E

Remotes:

Switch Switch name Switch type
DNFLOH67RS1  DUNCAN FALLS  5ER 
DRSDOH75RS1  DRESDEN  5ER 
FLHMOH84RS1  FULTONHAM  5ER 
NRWCOH87RS1  NORWICH  5BR 
RSVLOH69RS1  ROSEVILLE  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
740-450 A Zanesville OH 9321 OHIO BELL TEL CO 324      
740-452 A Zanesville OH 9321 OHIO BELL TEL CO 324      
740-453 A Zanesville OH 9321 OHIO BELL TEL CO 324      
740-454 A Zanesville OH 9321 OHIO BELL TEL CO 324      
740-455 A Zanesville OH 9321 OHIO BELL TEL CO 324      
740-455 0 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-455 2 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-455 3 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-455 4 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-455 5 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-455 6 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-455 7 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-455 8 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-455 9 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-586 A Zanesville OH 9321 OHIO BELL TEL CO 324      
740-586 6 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-588 A Zanesville OH 9321 OHIO BELL TEL CO 324      
740-588 0 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-588 1 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-588 2 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-588 4 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-588 5 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-588 6 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-588 7 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-588 8 Zanesville OH 9321 OHIO BELL TEL CO 324      
740-588 9 Zanesville OH 9321 OHIO BELL TEL CO 324      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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