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: 262 [Rate centres in NPA 262] [Dial plan for NPA 262]

NXX: 304

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
262-304 A Cedarburg WI MILWWIAUDS1  225C ONVOY, LLC - WI 356      
262-304 0 Cedarburg WI   007F BANDWIDTH.COM CLEC, LLC - WI 356   2022-09-16   
262-304 1 Cedarburg WI   939H COMMIO, LLC 356   2022-09-30   
262-304 2 Cedarburg WI   225C ONVOY, LLC - WI 356   2023-08-14   
262-304 3 Cedarburg WI   225C ONVOY, LLC - WI 356   2022-12-02   
262-304 4 Cedarburg WI   225C ONVOY, LLC - WI 356   2022-01-17   
262-304 5 Cedarburg WI   225C ONVOY, LLC - WI 356   2022-01-17   
262-304 6 Cedarburg WI   225C ONVOY, LLC - WI 356   2023-08-14   
262-304 7 Cedarburg WI   225C ONVOY, LLC - WI 356   2023-08-14   
262-304 8 Cedarburg WI   225C ONVOY, LLC - WI 356   2023-08-14   
262-304 9 Cedarburg WI   225C ONVOY, LLC - WI 356   2023-08-14   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.