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: 223

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-223 A St Cloud MN STCDMNTOX3X  184D ONVOY, LLC - MN 626      
320-223 0 St Cloud MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626      
320-223 1 St Cloud MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626      
320-223 2 St Cloud MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626      
320-223 3 St Cloud MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626      
320-223 4 St Cloud MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626      
320-223 5 St Cloud MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626      
320-223 6 St Cloud MN STCDMNTOX3X  184D ONVOY, LLC - MN 626      
320-223 7 St Cloud MN STCDMNTOX3X  184D ONVOY, LLC - MN 626      
320-223 8 St Cloud MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626      
320-223 9 St Cloud MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.