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: 440 [Rate centres in NPA 440] [Dial plan for NPA 440]

NXX: 250

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-250 A Trinity OH WSLKOH87DS1  9321 OHIO BELL TEL CO 320      
440-250 0 Trinity OH WSLKOH87DS1  9321 OHIO BELL TEL CO 320      
440-250 1 Trinity OH WSLKOH87DS1  9321 OHIO BELL TEL CO 320      
440-250 2 Trinity OH WSLKOH87DS1  9321 OHIO BELL TEL CO 320      
440-250 3 Trinity OH WSLKOH87DS1  9321 OHIO BELL TEL CO 320      
440-250 4 Trinity OH WSLKOH87DS1  9321 OHIO BELL TEL CO 320      
440-250 5 Trinity OH WSLKOH87DS1  9321 OHIO BELL TEL CO 320      
440-250 6 Trinity OH NRTNOHIADMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320   2010-12-30   
440-250 7 Trinity OH WSLKOH87DS1  9321 OHIO BELL TEL CO 320      
440-250 8 Trinity OH WSLKOH87DS1  9321 OHIO BELL TEL CO 320      
440-250 9 Trinity OH WSLKOH87DS1  9321 OHIO BELL TEL CO 320      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.