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.

Chicago Zone 08-Portsmouth, IL

<< 1 2 3 4 5 6 7 8 9 10 11 12

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
872-801 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-07-21   
872-801 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-07-21   
872-801 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-07-21   
872-801 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-07-21   
872-801 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-07-01   

<< 1 2 3 4 5 6 7 8 9 10 11 12

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.