Northwest Region
The Facebook 511 Northwest Region includes Lyon, Osceola, Dickinson, Emmet, Kossuth, Winnebago, Worth Sioux, O'Brien, Clay, Palo Alto, Hancock, Cerro Gordo, Plymouth, Cherokee, Buena Vista, Pocahontas, Humboldt, Wright, Franklin, Woodbury, Ida, Sac, Calhoun, Webster, Hamilton, Hardin, Monona, Crawford, Carroll, and Greene Counties.
Northeast Region
The Facebook 511 Northeast Region includes Winnebago, Worth, Hancock, Cerro Gordo, Wright, Franklin, Hamilton, Hardin, Mitchell, Floyd, Butler, Grundy, Howard, Chickasaw, Bremer, Black Hawk, Winneshiek, Fayette, Buchanan, Benton, Iowa, Allamakee, Clayton, Delaware, Dubuque, Delaware, Linn, Jones, Jackson, Cedar, Clinton, Iowa, Muscatine, Scott, Cedar and counties.
Southwest Region
The Facebook 511 Southwest Region includes Harrison, Shelby, Audubon, Guthrie, Pottawattamie, Cass, Adair, Mills, Montgomery, Adams, Union, Clarke, Fremont, Page, Taylor, Ringgold, and Decatur counties.
Central Region
The Facebook 511 Central Region includes Boone, Story, Marshall, Tama, Dallas, Polk, Jasper, Poweshiek, Madison, Warren, and Marion Counties.
Southeast Region
The Facebook 511 Southeast Region includes Mahaska, Keokuk, Washington, Louisa, Lucas, Monroe, Wapello, Jefferson, Henry, Des Moines, Wayne, Appanoose, Davis, Van Buren, and Lee Counties.