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: 309 [Rate centres in NPA 309] [Dial plan for NPA 309]

NXX: 665

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-665 A Bloomington IL BLTNILXD3MD  732J NUSO, LLC 366      
309-665 0 Bloomington IL BLTNILXTDS0  1015 FRONTIER NORTH, INC. - IL 366      
309-665 1 Bloomington IL BLTNILATOMD  6529 T-MOBILE USA, INC. 366      
309-665 2 Bloomington IL BLTNILXDX9Y  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 366      
309-665 3 Bloomington IL BLTNILXTDS0  1015 FRONTIER NORTH, INC. - IL 366      
309-665 4 Bloomington IL BLTNILXTDS0  1015 FRONTIER NORTH, INC. - IL 366      
309-665 5 Bloomington IL BLTNILXTDS0  1015 FRONTIER NORTH, INC. - IL 366      
309-665 6 Bloomington IL BLTNILATX5X  197D VONAGE AMERICA LLC 366      
309-665 7 Bloomington IL BLTNILXD3MD  732J NUSO, LLC 366      
309-665 8 Bloomington IL BLTNILATX5X  197D VONAGE AMERICA LLC 366      
309-665 9 Bloomington IL BLTNILXDXSX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 366      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.