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.

NPA: 513 [Rate centres in NPA 513] [Dial plan for NPA 513]

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
513-420 A Middletown OH MDTWOH42DS1  9321 OHIO BELL TEL CO 328      
513-420 0 Middletown OH MDTWOH42DS1  9321 OHIO BELL TEL CO 328      
513-420 1 Middletown OH MDTWOH42DS1  9321 OHIO BELL TEL CO 328      
513-420 2 Middletown OH MDTWOH42DS1  9321 OHIO BELL TEL CO 328      
513-420 3 Middletown OH MDTWOH42DS1  9321 OHIO BELL TEL CO 328      
513-420 4 Middletown OH MDTWOH42DS1  9321 OHIO BELL TEL CO 328      
513-420 5 Middletown OH MDTWOH42DS1  9321 OHIO BELL TEL CO 328      
513-420 6 Middletown OH DYTNOH22XVY  5562 METROPCS, INC. 328      
513-420 7 Middletown OH HRTPOHBL0MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
513-420 8 Middletown OH MDTWOH42DS1  9321 OHIO BELL TEL CO 328      
513-420 9 Middletown OH MDTWOH42DS1  9321 OHIO BELL TEL CO 328      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.