E10 Gas and Highway Diesel Administrative Staff Fax: 515-859-3348 <br/> E10 Gas and Highway Diesel Fax: 641-364-2109 Fax: 563-672-9526 Fax: 563-852-5162 Fax: 319-438-6195 Fax: 641-847-2742 Fax: 608-744-3798 Fax: 563-245-2143 P.O. Box 190 <br/> Fax: 515-836-2114 <br/> E10 Gas, E85 Gas and Highway Diesel Fax: 641-393-2480 Fax: 563-744-3006 Fax: 641-847-3569 Fax: 515-893-2250 Fax: 563-926-2092 P.O. Box 309 <br/> Fax: 641-864-3221 <br/> E10 Gas and Highway Diesel Fax: 319-334-4365 P.O. Box 68 <br/> E10 Gas and Highway Diesel Fax: 563-927-3243 Fax: 563-539-2004 Fax: 319-465-5289 Fax: 319-638-7556 (Rural Delivery) P.O. Box 159 <br/> Fax: 641-486-5982 <br/> E10 Gas & Highway Diesel P.O. Box 349 Fax: 563-568-2070 Fax: 515-854-2761 <br/> E10 Gas & Highway Diesel Fax: 319-935-3034