Location Mailing Lists are those that pertain to a specific locale. Some of the lists are state-wide, some county-wide. There are even mailing lists for genealogical information relative to a specific city. If your research is place-specific, either in a U.S. state or a foreign country, these are the lists to join.
Iowa Surnames in the RootsWeb Surname List
Iowa County Mailing Lists
Adair | Adams | Allamakee | Appanoose | Audubon | Benton | BlackHawk | Boone | Bremer | Buchanan | Buena Vista | Butler | Calhoun | Carroll | Cass | Cedar | Cerro Gordo | Cherokee | Chickasaw | Clarke | Clay | Clayton | Clinton | Crawford | Dallas | Davis | Decatur | Delaware | DesMoines | Dickinson | Dubuque | Emmet | Fayette Floyd | Franklin | Fremont | Greene | Grundy | Guthrie | Hamilton | Hancock Hardin | Harrison | Henry | Howard | Humboldt | Ida | Iowa | Jackson | Jasper | Jefferson Johnson | Jones | Keokuk | Kossuth | Lee | Linn | Louisa | Lucas | Lyon | Madison Mahaska | Marion | Marshall | Mills | Mitchell | Monona | Monroe | Montgomery Muscatine | Obrien | Osceola | Page | Palo Alto | Plymouth | Pocahontas | Polk Pottawattamie | Poweshiek | Ringgold | Sac | Scott | Shelby | Sioux | Story | Tama Taylor | Union | VanBuren | Wapello | Warren | Washington | Wayne | Webster Winnebago | Winneshiek | Woodbury | Worth | Wright