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: 608 [Rate centres in NPA 608] [Dial plan for NPA 608]

NXX: 933

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-933 A Lyndon Station WI MDSRWIKEAMD  965H FRACTEL, LLC 354      
608-933 2 Lyndon Station WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2021-07-25   
608-933 3 Lyndon Station WI MDSRWIKEAMD  965H FRACTEL, LLC 354   2020-02-25   
608-933 4 Lyndon Station WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2021-04-05   
608-933 9 Lyndon Station WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2020-05-25   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.