| PARK CODE | PARK |
|---|
| | |
| ABLI | Abraham Lincoln Birthplace |
| ACAD | Acadia |
| ADAM | Adams |
| AGFO | Agate Fossil Beds |
| ALFL | Alibates Flint Quarries |
| ALPO | Allegheny Portage Railroad |
| AMER | American Memorial Park |
| AMIS | Amistad |
| ANDE | Andersonville |
| ANIA | Aniakchak |
| ANJO | Andrew Johnson |
| ANTI | Antietam |
| APCO | Appomattox Courthouse |
| APIS | Apostle Islands |
| ARCH | Arches |
| ARHO | Arlington House, R.E. Lee Mem. |
| ARPO | Arkansas Post |
| ASIS | Assateague Island |
| AZRU | Aztec Ruins |
| BADL | Badlands |
| BAND | Bandelier |
| BATT | Battleground National Cemetery |
| BAWA | Baltimore--Washington Parkway |
| BELA | Bering Land Bridge |
| BEOL | Bent's Old Fort |
| BIBE | Big Bend |
| BICA | Bighorn Canyon |
| BICY | Big Cypress |
| BIHO | Big Hole |
| BISC | Biscayne |
| BISO | Big South Fork National River and Recreation Area |
| BITH | Big Thicket |
| BLCA | Black Canyon of the Gunnison National Monument |
| BLRI | Blue Ridge |
| BOAF | Boston African American National Historic Site |
| BOST | Boston |
| BOWA | Booker T. Washington |
| BRCA | Bryce Canyon |
| BUFF | Buffalo National River |
| BUIS | Buck Island Reef |
| CABR | Cabrillo |
| CACA | Carlsbad Caverns |
| CACH | Canyon De Chelly |
| CACL | Castle Clinton |
| CACO | Cape Cod |
| CAGR | Casa Grande |
| CAHA | Cape Hatteras |
| CAKR | Cape Krusenstern |
| CALO | Cape Lookout |
| CAMO | Capulin Mountain |
| CANA | Canaveral |
| CANY | Canyonlands |
| CARE | Capitol Reef |
| CARL | Carl Sandburg Home |
| CASA | Castillo De San Marcos |
| CATO | Catoctin Mountain |
| CEBR | Cedar Breaks |
| CHAM | Chamizal |
| CHAT | Chattahoochee River |
| CHCH | Chickamauga & Chattanooga |
| CHCU | Chaco Culture |
| CHIC | Chickasaw |
| CHIR | Chiricahua |
| CHIS | Channel Islands |
| CHOH | Cheseapeake and Ohio Canal |
| CHPI | Charles Pinckney National Historic Site |
| CHPO | Chicago Portage National Historic Site |
| CHRI | Christiansted |
| CHRO | Chimney Rock National Historic Site |
| CHST | Cherokee Strip Living Museum |
| CLBA | Clara Barton |
| CODA | Coulee Dam |
| COLM | Colorado |
| COLO | Colonial |
| CORO | Coronado |
| COSW | Congaree Swamp |
| COWP | Cowpens |
| CRLA | Crater Lake |
| CRMO | Craters of the Moon |
| CUGA | Cumberland Gap |
| CUIS | Cumberland Island |
| CURE | Curecanti |
| CUST | Custer Battlefield |
| CUVA | Cuyahoga Valley |
| DELA | Delaware N Wild & Scenic R |
| DENA | Denali |
| DEPO | Devils Postpile |
| DESO | Desoto |
| DETO | Devils Tower |
| DEVA | Death Valley |
| DEWA | Delaware Water Gap |
| DINO | Dinosaur |
| DOHE | Dorchester Heights National Historic Site |
| EBLA | Ebey's Landing National Historic Reserve |
| EDAL | Edgar Allan Poe |
| EDIS | Edison |
| EFMO | Effigy Mounds |
| EISE | Eisenhower |
| ELMO | El Morro |
| ELRO | Eleanor Roosevelt |
| EUON | Eugene O'Neill |
| EVER | Everglades |
| FAMA | Father Marquette National Memorial |
| FEHA | Federal Hall |
| FIIS | Fire Island |
| FLFO | Florissant Fossil Beds |
| FOBO | Fort Bowie |
| FOBU | Fossil Butte |
| FOCA | Fort Caroline |
| FOCL | Fort Clatsop |
| FODA | Fort Davis |
| FODO | Fort Donelson |
| FOFR | Fort Frederica |
| FOJE | Fort Jefferson |
| FOLA | Fort Laramie |
| FOLS | Fort Larned |
| FOMA | Fort Matanzas |
| FOMC | Fort McHenry National Monument and Historic Shrine |
| FONE | Fort Necessity |
| FOPO | Fort Point |
| FOPU | Fort Pulaski |
| FORA | Fort Raleigh |
| FOSC | Fort Scott |
| FOSM | Fort Smith |
| FOST | Fort Stanwix |
| FOSU | Fort Sumter |
| FOTH | Ford's Theatre |
| FOUN | Fort Union |
| FOUS | Ft. Union Trading Post |
| FOVA | Fort Vancouver |
| FOWA | Fort Washington |
| FRDO | Frederick Douglass Home |
| FRHI | Friendship Hill |
| FRLA | Frederick Law Olmstead |
| FRSP | Fredericksburg/Spotyslvania National Military Park |
| GAAR | Gates of the Arctic |
| GATE | Gateway |
| GEGR | General Grant |
| GERO | George Rogers Clark |
| GETT | Gettysburg |
| GEWA | George Washington Birthplace |
| GICL | Gila Cliff Dwellings |
| GLAC | Glacier |
| GLBA | Glacier Bay |
| GLCA | Glen Canyon |
| GLDE | Gloria Del Church National Historic Site |
| GOGA | Golden Gate |
| GOSP | Golden Spike |
| GRBA | Great Basin |
| GRCA | Grand Canyon |
| GREE | Greenbelt Park |
| GRKO | Grant-Kohrs Ranch |
| GRPO | Grand Portage |
| GRSA | Great Sand Dunes |
| GRSM | Great Smoky Mountains |
| GRTE | Grand Teton National Park |
| GUCO | Guilford Courthouse |
| GUIS | Gulf Islands |
| GUMO | Guadalupe Mountains |
| GWCA | George Washington Carver |
| GWMP | George Washington Memorial Parkway |
| HAFE | Harpers Ferry |
| HAGR | Hamilton Grange |
| HALE | Haleakala |
| HAMP | Hampton |
| HAVO | Hawaii Volcanoes |
| HEHO | Herbert Hoover |
| HOBE | Horseshoe Bend |
| HOFR | Home of Franklin D. Roosevelt |
| HOFU | Hopewell Furnace |
| HOME | Homestead of America |
| HOSP | Hot Springs |
| HOVE | Hovenweep |
| HSTR | Harry S. Truman |
| HUTR | Hubbell Trading Post |
| ICAG | Ice Age National Scientific Reserve |
| INDE | Independence |
| INDU | Indiana Dunes |
| INTE | International Peace Gardens |
| ISRO | Isle Royale |
| JAGA | James A. Garfield |
| JAME | Jamestown National Historic Site |
| JECA | Jewel Cave |
| JEFF | Jefferson National Expansion Memorial National Historic Site |
| JEFM | Thomas Jefferson Memorial |
| JELA | Jean Lafitte |
| JODA | John Day Fossil Beds |
| JODR | John D. Rockefeller Memorial Parkway |
| JOFI | John F. Kennedy National Historic Site |
| JOFK | John F. Kennedy Center |
| JOFL | Johnstown Flood |
| JOMU | John Muir |
| JOTR | Joshua Tree |
| KAHO | Kaloko-Honokohau |
| KASE | Kalaupapa |
| KATM | Katmai |
| KEAQ | Kenilworth Aquatic Gardens Site |
| KEFJ | Kenai Fjords |
| KEMO | Kennesaw Mountain |
| KICA | Kings Canyon |
| KIMO | Kings Mountain |
| KLGO | Klondike Gold Rush |
| KNRI | Knife River Indian Village |
| KOVA | Kobuk Valley |
| LABE | Lava Beds |
| LACH | Lake Chelan |
| LACL | Lake Clark |
| LAME | Lake Mead |
| LAMR | Lake Meredith |
| LAVO | Lassen Volcanic |
| LECA | Lehman Caves |
| LECL | Lewis & Clark National Historic Trail |
| LIBI | Little Big Horn National Monument |
| LIBO | Lincoln Boyhood |
| LIHO | Lincoln Home |
| LINC | Lincoln Memorial |
| LIRO | Little Rock Central High School National Historic Site |
| LONG | Longfellow |
| LOSA | Lower Saint Croix |
| LOWE | Lowell |
| LYBA | Lyndon B. Johnson Memorial Grove |
| LYJO | Lyndon B. Johnson |
| MACA | Mammoth Cave |
| MALU | Martin Luther King |
| MALW | Maggie L Walker |
| MAMC | Mary Macleod Bethune House |
| MANA | Manassas |
| MAVA | Martin Van Buren |
| MCHO | McLoughlin House National Historic Site |
| MEVE | Mesa Verde |
| MIBR | Fort Benton (Missouri Breaks) |
| MIMA | Minute Man |
| MOCA | Montezuma Castle |
| MOCI | Mound City Group |
| MOCR | Moores Creek |
| MONO | Monocacy |
| MOPI | Morman Pioneer National Historic Trail |
| MORA | Mount Rainier |
| MORR | Morristown |
| MORU | Mount Rushmore |
| MUWO | Muir Woods |
| NABR | Natural Bridges |
| NACC | National Capital Parks |
| NAMA | National Mall |
| NATR | Natchez Trace |
| NAVA | Navajo |
| NAVI | National Visitor Center |
| NCRW | National Capital Region |
| NEPE | Nez Perce |
| NERI | New River Gorge |
| NISI | Ninety Six |
| NOAT | Noatak |
| NOCA | North Cascades |
| OBRI | Obed Wild & Scenic River |
| OCMU | Ocmulgee |
| OLYM | Olympic |
| ORCA | Oregon Caves |
| OREG | Oregon National Historic Trail |
| ORPI | Organ Pipe Cactus |
| OZAR | Ozark |
| PAAL | Palo Alto Battlefield |
| PAAV | Pennsylvania Avenue National Historic Site |
| PAIS | Padre Island |
| PECO | Pecos |
| PEFO | Petrified Forest |
| PERI | Pea Ridge |
| PETE | Petersburg |
| PEVI | Perry's Victory & Internat'l Peace Mem |
| PIMA | Hohokam Pima |
| PINN | Pinnacles |
| PIPE | Pipestone |
| PIRO | Pictured Rocks |
| PISC | Piscataway |
| PISP | Pipe Spring |
| POPO | Poverty Point National Monument |
| PORE | Point Reyes |
| PRWI | Prince William Forest |
| PUHE | Puukohola Heiau |
| PUHO | Puuhonua O Honaunau |
| RABR | Rainbow Bridge |
| REDW | Redwood |
| RICH | Richmond |
| RIGR | Rio Grande |
| ROCA | Roosevelt Campobello International Park |
| ROCR | Rock Creek Park |
| ROLA | Ross Lake |
| ROMO | Rocky Mountain |
| ROWI | Roger Williams |
| RUCA | Russell Cave |
| SAAN | San Antonio Missions |
| SACN | Saint Croix |
| SACR | Saint Croix Island |
| SAFR | San Francisco Maritime National Historical Park |
| SAGA | Saint Gaudens National Historic Site |
| SAGU | Saguaro |
| SAHI | Sagamore Hill |
| SAIR | Saugus Iron Works |
| SAJH | San Juan Island |
| SAJU | San Juan |
| SALI | Salinas |
| SAMA | Salem Maritime |
| SAMO | Santa Monica Mountains |
| SAPA | Saint Paul's Church National Historic Site |
| SARA | Saratoga |
| SCBL | Scotts Bluff |
| SEBE | Sewall-Belmont House National Historic Site |
| SEQU | Sequoia |
| SHEN | Shenandoah |
| SHIL | Shiloh |
| SITK | Sitka |
| SLBE | Sleeping Bear Dunes |
| SPAR | Springfield Armory |
| STLI | Statue Of Liberty |
| STRI | Stones River |
| SUCR | Sunset Crater |
| SUIT | Suitland Parkway |
| SWRO | National Park Service Southwest Regional Office |
| THKO | Thaddeus Kosciuszko |
| THRB | Theodore Roosevelt Birthplace |
| THRI | Theodore Roosevelt Inaugural |
| THRO | Theodore Roosevelt |
| THRS | Theodore Roosevelt Island |
| THST | Thomas Stone |
| TICA | Timpanogos Cave |
| TONT | Tonto |
| TOSY | Touro Synagogue National Historic Site |
| TUAI | Tuskegee Airman National Historic Site |
| TUIN | Tuskegee Institute |
| TUMA | Tumacacori |
| TUPE | Tupelo |
| TUZI | Tuzigoot |
| ULSG | Ulysses S. Grant National Historic Site |
| UPDE | Upper Delaware River |
| USAR | U.S.S. Arizona |
| VAFO | Valley Forge |
| VAMA | Vanderbilt Mansion |
| VICC | Vicksburg |
| VICK | Vicksburg |
| VIIS | Virgin Islands |
| VOYA | Voyageurs |
| WACA | Walnut Canyon |
| WAPA | War in the Pacific National Historical Park |
| WASH | Washington Monument |
| WHHO | White House |
| WHIS | Whiskeytown S. T. |
| WHMI | Whitman Mission |
| WHSA | White Sands |
| WICA | Wind Cave |
| WICR | Wilsons Creek |
| WIHO | William Howard Taft |
| WORI | Women's Rights |
| WOTR | Wolf Trap Farm |
| WRBR | Wright Brothers |
| WRST | Wrangell-St. Elias |
| WUPA | Wupatki |
| XXXX | Update |
| YELL | Yellowstone |
| YOSE | Yosemite |
| YUCH | Yukon-Charley |
| YUHO | Yucca House |
| ZION | Zion |
| ZUCI | Zuni-Cibola National Historical Park |
