| Zipcode | Community | City | State | Metro Area |
|---|---|---|---|---|
| 27960 | Ocracoke | Ocracoke | North Carolina | |
| 36360 | Ozark | Ozark | Alabama | Ozark AL |
| 36361 | Ozark | Ozark | Alabama | Ozark AL |
| 53154 | Oak creek | Oak creek | Wisconsin | Milwaukee-Waukesha-West Allis WI |
| 57563 | Okreek | Okreek | South Dakota | |
| 62972 | Ozark | Ozark | Illinois | |
| 65721 | Ozark | Ozark | Missouri | Springfield MO |
| 68853 | Oak creek | Loup city | Nebraska | |
| 72949 | Ozark | Ozark | Arkansas | |
| 73762 | Okarche | Okarche | Oklahoma | |
| 80467 | Oak creek | Oak creek | Colorado | Steamboat Springs CO |
| 84629 | Oak creek | Fairview | Utah | |
| 87521 | Ojo sarco | Chamisal | New Mexico | Taos NM |
| 93426 | Oak shores | Bradley | California | Salinas CA |