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: 218 [Rate centres in NPA 218] [Dial plan for NPA 218]

NXX: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
218-221 A Duluth MN   7575 CENTURYLINK COMMUNICATIONS LLC 624      
218-221 0 Duluth MN   5562 METRO PCS, INC. 624   2017-06-16   
218-221 1 Duluth MN   5562 METRO PCS, INC. 624   2016-12-29   
218-221 2 Duluth MN   5562 METRO PCS, INC. 624   2016-02-14   
218-221 3 Duluth MN   5562 METRO PCS, INC. 624   2017-12-07   
218-221 4 Duluth MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 624   2016-09-24   
218-221 5 Duluth MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 624   2016-09-24   
218-221 6 Duluth MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 624   2016-09-24   
218-221 7 Duluth MN   7575 CENTURYLINK COMMUNICATIONS LLC 624   2015-11-21   
218-221 8 Duluth MN   5562 METRO PCS, INC. 624   2017-12-07   
218-221 9 Duluth MN   5562 METRO PCS, INC. 624   2017-12-07   

Last updated: Sat, 31 Oct 2020 19:28:10 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.