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: 496

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-496 A Cambridge WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354      
608-496 0 Cambridge WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354      
608-496 1 Cambridge WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354      
608-496 4 Cambridge WI MDSNWI11XAY  624H ONVOY SPECTRUM, LLC 354      
608-496 8 Cambridge WI MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-496 9 Cambridge WI MDSNWI11XAX  225C ONVOY, LLC - WI 354      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.