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: 335

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-335 A Sheboygan Falls WI MILWWIAUDS1  225C ONVOY, LLC - WI 356      
920-335 0 Sheboygan Falls WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-04-23   
920-335 1 Sheboygan Falls WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-04-23   
920-335 2 Sheboygan Falls WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2016-07-21   
920-335 3 Sheboygan Falls WI MILWWIAUX6Y  073H TELNYX LLC 356   2017-04-24   
920-335 4 Sheboygan Falls WI MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356   2016-10-31   
920-335 5 Sheboygan Falls WI MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2018-10-27   
920-335 6 Sheboygan Falls WI MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2019-03-13   
920-335 7 Sheboygan Falls WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-04-04   
920-335 8 Sheboygan Falls WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-04-04   
920-335 9 Sheboygan Falls WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-01-21   

Last updated: Sun, 18 Aug 2024 23:40:19 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.