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: 890

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-890 A Egg Harbor WI GNBYWI01VMD  225C ONVOY, LLC - WI 350      
920-890 0 Egg Harbor WI   007F BANDWIDTH.COM CLEC, LLC - WI 350   2021-02-06   
920-890 1 Egg Harbor WI   007F BANDWIDTH.COM CLEC, LLC - WI 350   2021-01-21   
920-890 2 Egg Harbor WI   007F BANDWIDTH.COM CLEC, LLC - WI 350   2022-02-13   
920-890 3 Egg Harbor WI   6529 T-MOBILE USA, INC. 350   2025-02-15   
920-890 4 Egg Harbor WI   624H ONVOY SPECTRUM, LLC 350   2021-06-21   
920-890 5 Egg Harbor WI   145J TERRA NOVA TELECOM INC. 350   2025-07-12   
920-890 6 Egg Harbor WI   7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 350   2020-01-03   
920-890 8 Egg Harbor WI   225C ONVOY, LLC - WI 350   2019-12-11   
920-890 9 Egg Harbor WI   225C ONVOY, LLC - WI 350   2019-12-11   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.