Reference Data Rate Center Directory HARMONY, WI Rate Center HARMONY — WI Data last updated: March 10, 2026 LATA 350 State WI Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 45.09952245174793, -87.81963785396775 Area Codes 715 Top Carriers Carrier OCN NXX Count BRIGHTSPEED OF WESTERN WISCONSIN, LLC 0841 1
