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

NXX: 480

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-480 A Dassel MN   073H TELNYX LLC 628      
320-480 0 Dassel MN MPLSMNCDZMD  073H TELNYX LLC 628      
320-480 1 Dassel MN MPLSMNCDUMD  939H COMMIO, LLC 628      
320-480 6 Dassel MN MPLSMNDTX1Y  8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 628      

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

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