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: 773 [Rate centres in NPA 773] [Dial plan for NPA 773]

NXX: 526

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-526 A Chicago Zone 08-Portsmouth IL   829J PAETEC ITEL, LLC 358   2024-12-09   
773-526 0 Chicago Zone 08-Portsmouth IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
773-526 1 Chicago Zone 08-Portsmouth IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
773-526 2 Chicago Zone 08-Portsmouth IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
773-526 3 Chicago Zone 08-Portsmouth IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
773-526 4 Chicago Zone 08-Portsmouth IL   460K FIRST COMMUNICATIONS, LLC 358      
773-526 5 Chicago Zone 08-Portsmouth IL   829J PAETEC ITEL, LLC 358      
773-526 6 Chicago Zone 08-Portsmouth IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
773-526 7 Chicago Zone 08-Portsmouth IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-526 8 Chicago Zone 08-Portsmouth IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
773-526 9 Chicago Zone 08-Portsmouth IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.