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: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 605

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-605 A Jefferson WI PEWTWICI1MD  6529 T-MOBILE USA, INC. 356      
920-605 0 Jefferson WI PEWTWICI1MD  6529 T-MOBILE USA, INC. 356      
920-605 1 Jefferson WI MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356      
920-605 2 Jefferson WI FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356      
920-605 3 Jefferson WI MILXWIILDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 356      
920-605 4 Jefferson WI MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356      
920-605 5 Jefferson WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356      
920-605 6 Jefferson WI PEWTWICI1MD  6529 T-MOBILE USA, INC. 356      
920-605 7 Jefferson WI MILWWIAU00Z  145J TERRA NOVA TELECOM INC. 356      
920-605 8 Jefferson WI MILWWIAUX6Y  073H TELNYX LLC 356      
920-605 9 Jefferson WI MILWWIAUDS1  225C ONVOY, LLC - WI 356      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.