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: 779

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-779 A Glencoe MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628      
320-779 0 Glencoe MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628      
320-779 1 Glencoe MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628      
320-779 2 Glencoe MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628      
320-779 3 Glencoe MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628      
320-779 4 Glencoe MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628      
320-779 5 Glencoe MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628      
320-779 6 Glencoe MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628      
320-779 7 Glencoe MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628      
320-779 8 Glencoe MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628      
320-779 9 Glencoe MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628      

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.