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: 878

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-878 A New London WI GNBYWIEMCM3  9759 METRO SOUTHWEST PCS, LLP 350      
920-878 0 New London WI GNBYWIEMCM3  9759 METRO SOUTHWEST PCS, LLP 350      
920-878 1 New London WI GNBYWIEMCM3  9759 METRO SOUTHWEST PCS, LLP 350      
920-878 2 New London WI GNBYWIEMCM3  9759 METRO SOUTHWEST PCS, LLP 350      
920-878 3 New London WI GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350   2014-07-06   
920-878 4 New London WI GNBYWIELDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2020-05-31   
920-878 5 New London WI GNBYWI01VMD  624H ONVOY SPECTRUM, LLC 350   2021-06-21   
920-878 6 New London WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2021-01-28   
920-878 7 New London WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2021-01-28   
920-878 8 New London WI GNBYWIEMCM3  9759 METRO SOUTHWEST PCS, LLP 350      
920-878 9 New London WI   6529 T-MOBILE USA, INC. 350   2024-03-21   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.