Navajo County Planning & Zoning 100 E Carter Dr Holbrook, AZ 86025 Phone : (928) 524-4100 Navajo County Planning & Zoning Business Category Administration Of Urban Planning & Community/Rural Dev Navajo County Government--public Works, Main Office Holbrook, AZ 86025 Phone : (928) 524-4100 Business Category Government Offices & Public Schools Fax           (928) 524-4122 Navajo County--public Works, Planning And Zoning, Holbrook Holbrook, AZ 86025 Phone : (928) 524-4100 Business Category Government Offices-County Government Offices & Public Schools Fax           (928) 524-4399 Navajo County Government--planning & Zoning, Holbrook Holbrook, AZ 86025 Phone : (928) 524-4100 Business Category Government Offices & Public Schools Fax           (928) 524-4399 Navajo County Of--public Works, Engineering Division Highway Division, Main Office Holbrook, AZ 86025 Phone : (928) 524-4100 Business Category Government Offices-County Government Offices & Public Schools Fax           (928) 524-4122 Navajo County Government--public Works, Highway Division Holbrook, AZ 86025 Phone : (928) 524-4100 Business Category Government Offices & Public Schools