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: 254

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
262-254 A Oconomowoc WI MILWWIAUDS1  225C ONVOY, LLC - WI 356      
262-254 0 Oconomowoc WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2024-08-09   
262-254 1 Oconomowoc WI   225C ONVOY, LLC - WI 356   2021-07-18   
262-254 2 Oconomowoc WI   225C ONVOY, LLC - WI 356   2021-04-11   
262-254 3 Oconomowoc WI   225C ONVOY, LLC - WI 356   2021-04-11   
262-254 4 Oconomowoc WI   225C ONVOY, LLC - WI 356   2021-01-14   
262-254 5 Oconomowoc WI   225C ONVOY, LLC - WI 356   2021-01-14   
262-254 6 Oconomowoc WI   225C ONVOY, LLC - WI 356   2021-04-11   
262-254 7 Oconomowoc WI   225C ONVOY, LLC - WI 356   2021-04-11   
262-254 8 Oconomowoc WI   624H ONVOY SPECTRUM, LLC 356   2021-06-26   
262-254 9 Oconomowoc WI   225C ONVOY, LLC - WI 356   2021-07-18   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.