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: 740 [Rate centres in NPA 740] [Dial plan for NPA 740]

NXX: 307

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-307 A Ironton OH   460K FIRST COMMUNICATIONS, LLC 324      
740-307 0 Ironton OH CLMBOH1152Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324      
740-307 1 Ironton OH CLMBOH1152Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324      
740-307 2 Ironton OH CLMBOH1152Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324      
740-307 3 Ironton OH CLMBOH11XLZ  001F BANDWIDTH.COM CLEC, LLC - OH 324      
740-307 4 Ironton OH   515J IP HORIZON LLC 324      
740-307 5 Ironton OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324      
740-307 6 Ironton OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324      
740-307 7 Ironton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324      
740-307 8 Ironton OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324      
740-307 9 Ironton OH   4852 FIRST COMMUNICATIONS, LLC - OH 324      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.