United States Counties (O-R)
States list
- Ohio
- Adams County
- Allen County
- Ashland County
- Ashtabula County
- Athens County
- Auglaize County
- Belmont County
- Brown County
- Butler County
- Carroll County
- Champaign County
- Clark County
- Clermont County
- Clinton County
- Columbiana County
- Coshocton County
- Crawford County
- Cuyahoga County
- Darke County
- Defiance County
- Delaware County
- Erie County
- Fairfield County
- Fayette County
- Franklin County
- Fulton County
- Gallia County
- Geauga County
- Greene County
- Guernsey County
- Hamilton County
- Hancock County
- Hardin County
- Harrison County
- Henry County
- Highland County
- Hocking County
- Holmes County
- Huron County
- Jackson County
- Jefferson County
- Knox County
- Lake County
- Lawrence County
- Licking County
- Logan County
- Lorain County
- Lucas County
- Madison County
- Mahoning County
- Marion County
- Medina County
- Meigs County
- Mercer County
- Miami County
- Monroe County
- Montgomery County
- Morgan County
- Morrow County
- Muskingum County
- Noble County
- Ottawa County
- Paulding County
- Perry County
- Pickaway County
- Pike County
- Portage County
- Preble County
- Putnam County
- Richland County
- Ross County
- Sandusky County
- Scioto County
- Seneca County
- Shelby County
- Stark County
- Summit County
- Trumbull County
- Tuscarawas County
- Union County
- Van Wert County
- Vinton County
- Warren County
- Washington County
- Wayne County
- Williams County
- Wood County
- Wyandot County
States list
- Oklahoma
- Adair County
- Alfalfa County
- Atoka County
- Beaver County
- Beckham County
- Blaine County
- Bryan County
- Caddo County
- Canadian County
- Carter County
- Cherokee County
- Choctaw County
- Cimarron County
- Cleveland County
- Coal County
- Comanche County
- Cotton County
- Craig County
- Creek County
- Custer County
- Delaware County
- Dewey County
- Ellis County
- Garfield County
- Garvin County
- Grady County
- Grant County
- Greer County
- Harmon County
- Harper County
- Haskell County
- Hughes County
- Jackson County
- Jefferson County
- Johnston County
- Kay County
- Kingfisher County
- Kiowa County
- Latimer County
- Le Flore County
- Lincoln County
- Logan County
- Love County
- Major County
- Marshall County
- Mayes County
- McClain County
- McCurtain County
- McIntosh County
- Murray County
- Muskogee County
- Noble County
- Nowata County
- Okfuskee County
- Oklahoma County
- Okmulgee County
- Osage County
- Ottawa County
- Pawnee County
- Payne County
- Pittsburg County
- Pontotoc County
- Pottawatomie County
- Pushmataha County
- Roger Mills County
- Rogers County
- Seminole County
- Sequoyah County
- Stephens County
- Texas County
- Tillman County
- Tulsa County
- Wagoner County
- Washington County
- Washita County
- Woods County
- Woodward County
States list
- Oregon
- Baker County
- Benton County
- Clackamas County
- Clatsop County
- Columbia County
- Coos County
- Crook County
- Curry County
- Deschutes County
- Douglas County
- Gilliam County
- Grant County
- Harney County
- Hood River County
- Jackson County
- Jefferson County
- Josephine County
- Klamath County
- Lake County
- Lane County
- Lincoln County
- Linn County
- Malheur County
- Marion County
- Morrow County
- Multnomah County
- Polk County
- Sherman County
- Tillamook County
- Umatilla County
- Union County
- Wallowa County
- Wasco County
- Washington County
- Wheeler County
- Yamhill County
States list
- Pennsylvania
- Adams County (ADA)
- Allegheny County (ALL)
- Armstrong County (ARM)
- Beaver County (BEA)
- Bedford County (BED)
- Berks County (BER)
- Blair County (BLA)
- Bradford County (BRA)
- Bucks County (BUX)
- Butler County (BUT)
- Cambria County (CMB)
- Cameron County (CRN)
- Carbon County (CAR)
- Centre County (CEN)
- Chester County (CHE)
- Clarion County (CLA)
- Clearfield County (CLE)
- Clinton County (CLI)
- Columbia County (COL)
- Crawford County (CRA)
- Cumberland County (CUM)
- Dauphin County (DAU)
- Delaware County (DCO)
- Elk County (ELK)
- Erie County (ERI)
- Fayette County (FAY)
- Forest County (FOR)
- Franklin County (FRA)
- Fulton County (FUL)
- Greene County (GRE)
- Huntingdon County (HUN)
- Indiana County (INN)
- Jefferson County (JEF)
- Juniata County (JUN)
- Lackawanna County (LAC)
- Lancaster County (LAN)
- Lawrence County (LAW)
- Lebanon County (LEB)
- Lehigh County (LEH)
- Luzerne County (LUZ)
- Lycoming County (LYX)
- McKean County (MCK)
- Mercer County (MER)
- Mifflin County (MIF)
- Monroe County (MOE)
- Montgomery County (MGY)
- Montour County (MTR)
- Northampton County (NHA)
- Northumberland County (NUM)
- Perry County (PER)
- Philadelphia County (PHI)
- Pike County (PIK)
- Potter County (POT)
- Schuylkill County (SCH)
- Snyder County (SNY)
- Somerset County(SOM)
- Sullivan County (SUL)
- Susquehanna County (SUS)
- Tioga County (TIO)
- Union County (UNI)
- Venango County (VEN)
- Warren County (WAR)
- Washington County (WAS)
- Wayne County (WAY)
- Westmoreland County (WES)
- Wyoming County (WYO)
- York County (YOR)
States list
- Rhode Island
- Bristol County
- Kent County
- Newport County
- Providence County
- Washington County
States list