The following outlines the ARRL divisions, the sections within them, and the section boundaries that constitute each section.

Atlantic Division

• Delaware
• Eastern Pennsylvania-- the counties of Adams, Berks, Bradford, Bucks, Carbon, Chester, Columbia, Cumberland, Dauphin, Delaware, Juniata, Lackawanna, Lancaster, Lebanon, Lehigh, Luzerne, Lycoming, Monroe, Montgomery, Montour, Northhampton, Northumberland, Perry, Philadelphia, Pike, Schuylkill, Snyder, Sullivan, Susquehanna, Tioga, Union, Wayne, Wyoming, York
• Western Pennsylvania-- the counties of Allegheny, Armstrong, Beaver, Bedford, Blair, Butler, Cambria, Cameron, Centre, Clarion, Clearfield, Clinton, Crawford, Elk, Erie, Fayette, Forest, Franklin, Fulton, Greene, Huntingdon, Indiana, Jefferson, Lawrence, McKean, Mercer, Mifflin, Potter, Somerset, Venango, Warren, Washington, Westmoreland
• Maryland-DC
• Northern New York -- the counties of Clinton, Essex, Franklin, Fulton, Hamilton, Jefferson, Lewis, Montgomery, St. Lawrence, Schoharie
• Southern New Jersey -- the counties of Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester, Mercer Ocean, Salem
• Western New York -- the counties of Allegany, Broome, Cattaraugus, Cayuga, Chautauqua, Chemung, Chenango, Cortland, Delaware, Erie, Genesee, Herkimer, Livingston, Madison, Monroe, Niagara, Oneida, Onondaga, Ontario, Orleans, Oswego, Otsego, Schuyler, Seneca, Steuben, Tioga, Tompkins, Wayne, Wyoming, Yates
   

Central Division

• Illinois
• Indiana
• Wisconsin
   

Dakota Division

• Minnesota
• North Dakota
• South Dakota
   

Delta Division

• Arkansas
• Louisiana
• Mississippi
• Tennessee

Great Lakes Division

• Kentucky
• Michigan
• Ohio
   

Hudson Division

• Eastern New York -- the counties of Albany, Columbia, Dutchess, Greene, Orange, Putnam, Rensselaer, Rockland, Saratoga, Schenectady, Sullivan, Ulster, Warren, Washington, Westchester
• New York City-Long Island -- the counties of Bronx, Kings, Nassau, New York, Queens, Richmond, Suffolk
• Northern New Jersey -- the counties of Bergen, Essex, Hudson, Hunterdon, Middlesex, Monmouth, Morris, Passaic, Somerset, Sussex, Union, Warren

Midwest Division

• Iowa
• Kansas
• Missouri
• Nebraska

New England Division

• Connecticut
• Eastern Massachusetts -- the counties of Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket, Norfolk, Plymouth, Suffolk
• Maine
• New Hampshire
• Rhode Island
• Vermont
• Western Massachusetts -- the counties of Berkshire, Franklin, Hampden, Hampshire, Worcester
   

Northwestern Division

• Alaska
• Eastern Washington -- the counties of Adams, Asotin, Benton, Chelan, Columbia, Douglas, Ferry, Franklin, Garfield, Grant, Kittitas, Klickitat, Lincoln, Okanogan, Pend Oreille, Spokane, Stevens, Walla Walla, Whitman, Yakima
• Idaho
• Montana
• Oregon
• Western Washington -- the counties of Clallam, Clark, Cowlitz, Grays Harbor, Island, Jefferson, King, Kitsap, Lewis, Mason, Pacific, Pierce, San Juan, Skagit, Skamania, Snohomish, Thurston, Wahkiakum, Whatcom
   

Pacific Division

• East Bay -- the California counties of Alameda, Contra Costa, Napa, Solano
• Nevada
• Pacific -- Hawaii and U.S. possessions in the Pacific
• Sacramento Valley -- the California counties of Alpine, Amador, Butte, Colusa, El Dorado, Glenn, Lassen, Modoc, Nevada, Placer, Plumas, Sacramento, Shasta, Sierra, Siskiyou, Sutter, Tehama, Trinity, Yolo, Yuba
• San Francisco -- the California counties of Del Norte, Humboldt, Lake, Marin, Mendocino, San Francisco, Sonoma
• San Joaquin Valley -- the California counties of Calaveras, Fresno, Kern, Kings, Madera, Mariposa, Merced, Mono, San Joaquin, Stanislaus, Tulare, Tuolumne
• Santa Clara Valley -- the California counties of Monterey, San Benito, San Mateo, Santa Clara, Santa Cruz
   

Roanoke Division

• North Carolina
• South Carolina
• Virginia
• West Virginia
   

Rocky Mountain Division

• Colorado
• New Mexico
• Utah
• Wyoming
   

Southeastern Division

• Alabama
• Georgia
• Northern Florida -- the counties of Alachua, Baker, Bay, Bradford, Calhoun, Citrus, Clay, Columbia, Dixie, Duval, Escambia, Flagler, Franklin, Gadsden, Gilchrist, Gulf, Hamilton, Hernando, Holmes, Jackson, Jefferson, Lafayette, Lake, Leon, Levy, Liberty, Madison, Marion, Nassau, Okaloosa, Orange, Putnam, Santa Rosa, Seminole, St Johns, Sumter, Suwannee, Taylor, Union, Volusia, Wakulla, Walton, Washington
• Southern Florida -- the counties of Brevard, Broward, Collier, Dade, Glades, Hendry, Indian River, Lee, Martin, Monroe, Okeechobee, Osceola, Palm Beach and St. Lucie
• West Central Florida -- the counties of Charlotte, DeSoto, Hardee, Highlands, Hillsborough, Manatee, Pasco, Pinellas, Polk, and Sarasota
• Puerto Rico
• US Virgin Islands

Southwestern Division

• Arizona
• Los Angeles
• Orange -- the California counties of Inyo, Orange, Riverside and San Bernardino
• San Diego -- the California counties of Imperial and San Diego
• Santa Barbara -- the California counties of San Luis Obispo, Santa Barbara and Ventura

West Gulf Division

• North Texas -- the counties of Anderson, Archer, Baylor, Bell, Bosque, Bowie, Brown, Camp, Cass, Cherokee, Clay, Collin, Comanche, Cooke, Coryell, Dallas, Delta, Denton, Eastland, Ellis, Erath, Falls, Fannin, Franklin, Freestone, Grayson, Gregg, Hamilton, Harrison, Henderson, Hill, Hood, Hopkins, Hunt, Jack, Johnson, Kaufman, Lamar, Lampasas, Limestone, McLennan, Marion, Mills, Montague, Morris, Nacogdoches, Navarro, Palo Pinto, Panola, Parker, Rains, Red River, Rockwall, Rusk, Shelby, Smith, Somervell, Stephens, Tarrant, Throckmorton, Titus, Upshur, Van Zandt, Wichita, Wilbarger, Wise, Wood, Young
• Oklahoma
• South Texas -- the counties of Angelina, Aransas, Atascosa, Austin, Bandera, Bastrop, Bee, Bexar, Blanco, Brazoria, Brazos, Brooks, Burleson, Burnet, Caldwell, Calhoun, Cameron, Chambers, Colorado, Comal, Concho, DeWitt, Dimmit, Duval, Edwards, Fayette, Fort Bend, Frio, Galveston, Gillespie, Goliad, Gonzales, Grimes, Guadalupe, Hardin, Harris, Hays, Hidalgo, Houston, Jackson, Jasper, Jefferson, Jim Hogg, Jim Wells, Karnes, Kendall, Kenedy, Kerr, Kimble, Kinney, Kleberg, La Salle, Lavaca, Lee, Leon, Liberty, Live Oak, Llano, Madison, Mason, Matagorda, Maverick, McCulloch, McMullen, Medina, Menard, Milam, Montgomery, Newton, Nueces, Orange, Polk, Real, Refugio, Robertson, Sabine, San Augustine, San Jacinto, San Patricio, San Saba, Starr, Travis, Trinity, Tyler, Uvalde, Val Verde, Victoria, Walker, Waller, Washington, Webb, Wharton, Willacy, Williamson, Wilson, Zapata, Zavala
• West Texas -- the counties of Andrews, Armstrong, Bailey, Borden, Brewster, Briscoe, Callahan, Carson, Castro, Childress, Cochran, Coke, Coleman, Collingsworth, Cottle, Crane, Crockett, Crosby, Culberson, Dallam, Dawson, Deaf Smith, Dickens, Donley, Ector, El Paso, Fisher, Floyd, Foard, Gaines, Garza, Glasscock, Gray, Hale, Hall, Hansford, Hardeman, Hartley, Haskell, Hemphill, Hockley, Howard, Hudspeth, Hutchinson, Irion, Jeff Davis, Jones, Kent, King, Knox, Lamb, Lipscomb, Loving, Lubbock, Lynn, Martin, Midland, Mitchell, Moore, Motley, Nolan, Ochiltree, Oldham, Parmer, Pecos, Potter, Presidio, Randall, Reagan, Reeves, Roberts, Runnels, Schleicher, Scurry, Shackelford, Sherman, Sterling, Stonewall, Sutton, Swisher, Taylor, Terrell, Terry, Tom Green, Upton, Ward, Wheeler, Winkler, Yoakum