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: 307

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-307 A Waupun WI MILWWIAUDS1  225C ONVOY, LLC - WI 356      
920-307 0 Waupun WI MILWWIAUDS1  225C ONVOY, LLC - WI 356      
920-307 1 Waupun WI MILWWIAUXAY  197D VONAGE AMERICA LLC 356      
920-307 2 Waupun WI MILWWIAU03Z  516J TON80 COMMUNICATIONS, LLC 356      
920-307 3 Waupun WI MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356      
920-307 5 Waupun WI MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356      
920-307 6 Waupun WI MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356      
920-307 7 Waupun WI MILWWIAUDS1  225C ONVOY, LLC - WI 356      
920-307 8 Waupun WI MILWWIAUDS1  225C ONVOY, LLC - WI 356      
920-307 9 Waupun WI MILWWIAU11Z  490J DISH WIRELESS, LLC 356      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.