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: 447

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-447 A Clear Lake MN STCDMNTOXQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626      
320-447 0 Clear Lake MN STCDMNTOXTX  073H TELNYX LLC 626      
320-447 1 Clear Lake MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626      
320-447 2 Clear Lake MN STCDMNTOX3X  184D ONVOY, LLC - MN 626      
320-447 3 Clear Lake MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626      
320-447 4 Clear Lake MN STCDMNTOXQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626      
320-447 5 Clear Lake MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626      
320-447 6 Clear Lake MN STCDMNTOXQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626      
320-447 7 Clear Lake MN STCDMNTOXQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626      
320-447 8 Clear Lake MN STCDMNTOXQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626      
320-447 9 Clear Lake MN STCDMNTOXQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.