Grant County Of--districts, Grant County Road Districts, District No 1 Garage Hartline, WA 99135 Phone : (509) 639-2621 Business Category Government Offices-County Government Offices & Public Schools Grant County Of--public Works Dept, Road District No 1 232 Chelan St Hartline, WA 99135 Phone : (509) 639-2621 Business Category Government Offices-County Legislative Bodies Government Offices & Public Schools