Reference Data Rate Center Directory POY SIPPI, WI Rate Center POY SIPPI — WI Data last updated: March 10, 2026 LATA 350 State WI Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 44.13783216255384, -88.99531623651487 Area Codes 920 Top Carriers Carrier OCN NXX Count BRIGHTSPEED OF WESTERN WISCONSIN, LLC 0841 1
