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: 954

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-954 A Willoughby OH WLGHOH9495C  9321 OHIO BELL TEL CO 320      
440-954 0 Willoughby OH   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320   2010-05-24   
440-954 1 Willoughby OH   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320   2008-08-01   
440-954 2 Willoughby OH   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320   2008-02-09   
440-954 3 Willoughby OH   9321 OHIO BELL TEL CO 320      
440-954 4 Willoughby OH   6529 T-MOBILE USA, INC. 320   2020-10-05   
440-954 5 Willoughby OH   9321 OHIO BELL TEL CO 320      
440-954 6 Willoughby OH   9321 OHIO BELL TEL CO 320      
440-954 7 Willoughby OH   9321 OHIO BELL TEL CO 320      
440-954 8 Willoughby OH   9321 OHIO BELL TEL CO 320      
440-954 9 Willoughby OH   9321 OHIO BELL TEL CO 320      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.