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: 601

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-601 A Wrightstown WI GNBYWIELDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350      
920-601 0 Wrightstown WI GNBYWIELDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2020-05-31   
920-601 1 Wrightstown WI GNBYWIEL3MD  939H COMMIO, LLC 350   2022-12-05   
920-601 2 Wrightstown WI GNBYWIEL9MD  516J TON80 COMMUNICATIONS, LLC 350   2021-12-05   
920-601 3 Wrightstown WI GNBYWI01VMD  624H ONVOY SPECTRUM, LLC 350   2021-06-22   
920-601 4 Wrightstown WI GNBYWIEL1MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350   2021-06-01   
920-601 5 Wrightstown WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2021-01-29   
920-601 6 Wrightstown WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2021-01-29   
920-601 9 Wrightstown WI GNBYWIELDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2019-11-05   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.