| State | City | Institution | Discounts | Phone # |
| Alabama | Birmingham | Birmingham Zoo | (205) 879-0409 | |
| Montgomery | Montgomery Zoo | (334) 240-4930 | ||
| Arizona | Phoenix | Phoenix Zoo | 50% Admission | |
| Tucson | Reid Park Zoo | Free Admission | (520) 881-4753, ext. 17 | |
| Arkansas | Little Rock | Little Rock Zoo | (501) 666-2406 | |
| California | Atascadero | Charles Paddock Zoo | (805) 461-5080 x2105 | |
| Eureka | Sequoia Park Zoo | (Free to the general public. Offering 10% discount in the gift shop) | (707) 442-6552 | |
| Fresno | Fresno Chaffee Zoo | (559) 498-5921 | ||
| Los Angeles | Los Angeles Zoo | 50% Admission | 323-644-4200 | |
| Palm Desrt | The Living Desert | 50% Admission | 760-346-5694 | |
| Sacramento | Sacramento Zoological Society | 50% Admission | 916-264-5166 | |
| San Francisco | San Francisco Zoo | 50% Admission | 415-753-7080 | |
| San Francisco | Aquarium of the Bay | 50% Admission | 415-623-5300 | |
| San Jose | Happy Hollow Zoo | (408) 277-5788 | ||
| San Mateo | Coyote Point Museum | (650) 340-7591 | ||
| San Pedro | Cabrillo Marine Aquarium | Free Admission and 10% discount at CMA Gift Shop | (310) 548-8396 | |
| Santa Ana | Santa Ana Zoo | (714) 953-8555, ext. 16 | ||
| Santa Barbara | Santa Barbara Zoo | (805) 962-5339, ext. 44 | ||
| CANADA | Quebec - Granby | Granby Zoo | (450) 372-9113, ext. 2103 | |
| Colorado | Pueblo | Pueblo Zoo | (719) 561-1452, ext. 116 | |
| Connecticut | Bridgeport | Connecticut's Beardsley Zoo | (203) 394-6574 | |
| Delaware | Wilmington | Brandywine Zoo | (302) 571-7788, ext. 201 | |
| District of Columbia | Washington | Smithsonian's National Zoological Park | Free. Offering 10% discount in all on-site gift shops | (202) 633-3034 |
| Florida | Gainesville | Santa Fe Community College Teaching Zoo | (352) 395-5601 | |
| Jacksonville | Jacksonville Zoo and Gardens | 50% Admission | 904-757-4463 | |
| Melbourne | Brevard Zoo | (321) 254-9453, ext. 25 | ||
| Miami | Miami Metrozoo | Discounts at shops | (305) 255-5551 | |
| Sarasota | Mote Marine Aquarium | 50% Admission | 941-388-4441 x373 | |
| Georgia | Albany | Chehaw Wild Animal Park | (229) 430-1742 | |
| Atlanta | Zoo Atlanta | 404-624-5600 | ||
| Hawaii | Honolulu | Honolulu Zoo | (808) 926-3191 x13 | |
| Idaho | Boise | Zoo Boise | (208) 384-4125, ext. 200 | |
| Idaho Falls | Tautphaus Park Zoo | (208) 612-8421 | ||
| Illinois | Bloomington | Miller Park Zoo | (309) 434-2826 | |
| Coal Valley | Niabi Zoo | Free Admission | (309) 799-3482 | |
| Decatur | Scovill Zoo | 50% Admission | 217-421-7435 | |
| Peoria | Glen Oak Zoo (Peoria Zoo) | (309) 686-3365, ext. 309 | ||
| Springfield | Henson Robinson Zoo | (217) 753-6217 | ||
| Wheaton | Cosley Zoo | (Free; 25% off in the gift shop) | 630-665-5534 | |
| Indiana | Evansville | Mesker Park Zoo & Botanic Garden | Free Admission | (812) 435-6143, ext. 406 |
| Fort Wayne | Fort Wayne Children's Zoo | Free Admission | (260) 427-6800 | |
| South Bend | Potawatomi Zoo | (574) 288-4639 | ||
| Iowa | Des Moines | Blank Park Zoo | (515) 323-8384 | |
| Kansas | Emporia | David Traylor Zoo of Emporia | (Free; 25% off all merchandise) | (620) 341-4365 |
| Garden City | Lee Richardson Zoo | (Free; offering 10% off in the gift shop and free drive through) | (620) 276-6243 | |
| Hutchinson | Hutchinson Zoo | (Free, 20% off in gift shop) | (620) 694-2672 | |
| Kansas City | Kansas City Zoo | 50% Admission | 816-513-5805 | |
| Manhattan | Sunset Zoo | (785) 587-2737 | ||
| Salina | Rolling Hills Wildlife Adventure | 50% Admission | 785-827-9488 | |
| Topeka | Topeka Zoological Park | (785) 368-9161 | ||
| Wichita | Sedgwick County Zoo | 50% Admission | 316-660-9453 | |
| Kentucky | Louisville | Louisville Zoological Garden | (502) 459-2287 | |
| Louisiana | Alexandria | Alexandria Zoo | (318) 441-6815 | |
| Baton Rouge | BREC's Baton Rouge Zoo | (225) 775-3877 | ||
| Maryland | Salisbury | Salisbury Zoo | (Free, 25% off in the gift shop) | (410) 548-3188 |
| Massachusetts | Attleboro | Capron Park Zoo | free or 50% discount | 508-222-3047 |
| Boston | Franklin Park Zoo (Zoo New England) | (617) 989-2076 | ||
| Boston | Museum of Science | (617) 589-0180 | ||
| New Bedford | Buttonwood Park Zoo | (508) 991-4556 x10 | ||
| Stoneham | Stone Zoo (Zoo New England) | (617) 989-2076` | ||
| Michigan | Duluth | Lake Superior Zoo | Free Admission | 218-723-3748 |
| Grand Rapids | John Ball Zoological Garden | 50% Admission | (616) 336-3309 | |
| Lansing | Potter Park Zoological Gardens | Free Admission | (517) 483-4221 | |
| Minnesota | Apple Valley | Minnesota Zoo | (952) 431-9339 | |
| St. Paul | Como Park Zoo | (Free, offering 15% discount in the gift shop) | (615) 487-8229 | |
| Mississippi | Jackson | Jackson Zoological Park | Free Admission | (601) 352-2580 x226 |
| Missouri | Eureka | Wild Canid Survival and Research Center | (636) 938-5900 | |
| Saint Louis | Saint Louis Zoo | (Free, offering half off Safari Pass and more!) | (314) 781-0900, ext. 484 | |
| Springfield | Dickerson Park Zoo | (417) 833-1570 | ||
| Montana | Billings | Zoo Montana | (406) 652-8100 | |
| Nebraska | Lincoln | Lincoln Children's Zoo | (402) 475-6741 | |
| Omaha | Henry Doorly Zoo | 50% Admission | 402-733-8401 | |
| Scottsbluff | Riverside Zoo | (308) 632-2971 | ||
| New Hampshire | Holderness | Squam Lakes Natural Science Center | (603) 968-7194 | |
| New Jersey | Cape May Court House | Cape May County Park and Zoo | (Free, offering 10% discount at Gift Shop) | (609) 465-5271 |
| Paramus | Bergen County Zoo | (201) 262-3771, ext. 113 | ||
| West Orange | Turtle Back Zoo | (973) 731-5800 | ||
| New Mexico | Alamogordo | Alameda Park Zoo | (575) 439-4290 | |
| Carlsbad | Living Desert Zoo & Gardens State Park | (505) 887-5516 | ||
| New Mexico | Bio Park Society | 50% Admission | 505-764-6280 | |
| New York | Buffalo | Buffalo Zoo | (716) 995-6131 | |
| Millbrook | Trevor Zoo | (845) 677-3704 | ||
| Rochester | Seneca Park Zoo | (585) 336-7216 | ||
| Staten Island | Staten Island Zoo | (718) 442-3101 | ||
| Syracuse | Rosamond Gifford Zoo at Burnet Park | Free Admission | (315) 435-8511 | |
| North Carolina | Asheboro | North Carolina Zoological Park | 50% Admission | (336) 879-7258 |
| Asheville | Western North Carolina Nature Center | (828) 298-5600, ext. 308 | ||
| Atlantic Beach | North Carolina Aquarium at Pine Knoll Shores | Free Admission | (919) 733-1383 x229 | |
| Kure Beach | North Carolina Aquarium at Fort Fisher | Free Admission | (919) 733-1383 x229 | |
| Manteo | North Carolina Aquariuim at Roanoke Island | Free Admission | (919) 733-1383 x229 | |
| North Dakota | Bismarck | Dakota Zoo | (701) 223-7543 | |
| Fargo | Red River Zoo | 50% Admission | (701) 277-9240 | |
| Minot | Roosevelt Park Zoo | (701) 857-4166 | ||
| Wahpeton | Chahinkapa Zoo | Free Admission | 701-642-8709 | |
| Ohio | Akron | Akron Zoological Park | (330) 375-2550, ext. 7220 | |
| Cleveland | Cleveland Metroparks Zoo | (216) 661-6500, ext. 3355 | ||
| Dayton | Boonshoft Museum of Discovery | (937) 275-7431 | ||
| Port Clinton | African Safari Wildlife Park | 50% Admission | 419-732-3606 | |
| Toledo | The Toledo Zoo | (419) 385-5721 | ||
| Oregon | Portland | Oregon Zoo | 50% Admission | (503) 220-5740 |
| Winston | Wildlife Safari | 541-679-6761 | ||
| Pennsylvania | Erie | Erie Zoological Society | (814) 864-4091 | |
| Hershey | ZOOAMERICA North American Wildlife Park | (717) 534-3391 | ||
| Philadelphia | Philadelphia Zoo | 50% Admission | 215-243-1100 | |
| Pittsburgh | Pittsburgh Zoo & Aquarium | Free Admission | 412-665-3640 | |
| Pittsburgh | National Aviary | (412) 323-7235, ext. 235 | ||
| Schnecksville | Lehigh Valley Zoo | 610-799-4171 | ||
| Rhode Island | Providence | Roger Williams Park Zoo | (401) 941-3910, ext. 375 | |
| South Carolina | Columbia | Riverbanks Zoo & Garden | (803) 779-8717, ext. 1240 | |
| Greenville | Greenville Zoo | (864) 467-4300 | ||
| South Dakota | Sioux Falls | Great Plains Zoo & Delbridge Museum of Natural History | 50% Admission | (605) 367-8313 x23 |
| Watertown | Bramble Park Zoo | (605) 882-6269 | ||
| Tennessee | Chattanooga | Chattanooga Zoo at Warner Park | (423) 697-1339 | |
| Knoxville | Knoxville Zoological Gardens | Free Admission | (865) 637-5331 | |
| Memphis | Memphis Zoo | 50% Admission | 901-333-6500 | |
| Nashville | Nashville Zoo, Inc. | Free Admission | (615) 833-1534 | |
| Texas | Abilene | Abilene Zoological Gardens | (325) 676-6085 | |
| Brownsville | Gladys Porter Zoo | (956) 546-7187 x310 | ||
| Corpus Christi | Texas State Aquarium | 50% Admission | 361-881-1200 | |
| Dallas | Dallas Zoo and the Dallas Aquarium | Free Admission | (214) 943-2771, ext. 310 | |
| Houston | Houston Zoo | (713) 533-6726 | ||
| Lufkin | Ellen Trout Zoo | (936) 633-0399 | ||
| San Antonio | San Antonio Zoo | 50% Admission | 210-734-7184 | |
| Tyler | Caldwell Zoo | 50% Admission | 903-593-0121 | |
| Victoria | The Texas Zoo | 50% Admission | (361) 573-7681 | |
| Waco | Cameron Park Zoo | (254) 750-8424 | ||
| Utah | Salt Lake City | Utah's Hogle Zoo | (801) 584-1741 | |
| Virginia | Norfolk | Virginia Zoo | Free Admission | (757) 441-2374, ext. 242 |
| Washington | Seattle | Woodland Park Zoo | (206) 615-0291 | |
| Tacoma | Point Defiance Zoo & Aquarium | Free Admission | 253-591-5337 | |
| West Virginia | Wheeling | Oglebay's Good Zoo | 50% Admission | 304-243-4030 |
| Wisconsin | Baraboo | International Crane Foundation | (608) 356-9462, ext. 142 | |
| Green Bay | NEW Zoo | (920) 434-3824 | ||
| Racine | Racine Zoological Gardens | (262) 636-9189 |