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: 320 [Rate centres in NPA 320] [Dial plan for NPA 320]

NXX: 336

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-336 A Hinckley MN EAGNMNZO3MD  6701 AERIAL COMMUNICATIONS, INC. 628      
320-336 0 Hinckley MN MPLSMNDTXRX  980E BANDWIDTH.COM CLEC, LLC - MN 628      
320-336 1 Hinckley MN MPLSMNCDDSC  184D ONVOY, LLC - MN 628      
320-336 2 Hinckley MN MPLSMNCDDSF  107F PEERLESS NETWORK OF MINNESOTA, LLC - MN 628      
320-336 4 Hinckley MN MPLSMNCDDSF  107F PEERLESS NETWORK OF MINNESOTA, LLC - MN 628      
320-336 6 Hinckley MN MPLSMNDTX1Y  8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 628      
320-336 7 Hinckley MN MPLSMNFD2MD  508J CENTURYLINK COMMUNICATIONS, LLC 628      
320-336 8 Hinckley MN EAGNMNZO3MD  6701 AERIAL COMMUNICATIONS, INC. 628      
320-336 9 Hinckley MN   6701 AERIAL COMMUNICATIONS, INC. 628      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.