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: NRTNOH2323A

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
440-230 A North Royalton OH 9321 OHIO BELL TEL CO 320      
440-230 0 North Royalton OH 9321 OHIO BELL TEL CO 320      
440-230 1 North Royalton OH 9321 OHIO BELL TEL CO 320      
440-230 2 North Royalton OH 9321 OHIO BELL TEL CO 320      
440-230 5 North Royalton OH 9321 OHIO BELL TEL CO 320      
440-230 9 North Royalton OH 9321 OHIO BELL TEL CO 320      
440-237 A North Royalton OH 9321 OHIO BELL TEL CO 320      
440-582 A North Royalton OH 9321 OHIO BELL TEL CO 320      
440-877 A North Royalton OH 9321 OHIO BELL TEL CO 320      
440-877 0 North Royalton OH 9321 OHIO BELL TEL CO 320      
440-877 1 North Royalton OH 9321 OHIO BELL TEL CO 320      
440-877 9 North Royalton OH 9321 OHIO BELL TEL CO 320      

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.