- US US-IaGG MS/MS 01.80-9
- Box
Council Bluffs, Cresco, Creston Davenport (in Boxes 4-5), Dawson, Decorah, Defiance, Des Moines (in Boxes 1-3), Deep River, Delmar, Denison, DeWitt, Doon, Dows, Dubuque, Dumont, Dyersville Eagle Grove, Earlham, Earlville, Eddyville, Edgewood, Eldon, Eldora, Elkader