| Zipcode | Community | City | State | Metro Area |
|---|---|---|---|---|
| 12460 | Oak hill | Oak hill | New York | |
| 13316 | Osceola | Camden | New York | Utica-Rome NY |
| 16942 | Osceola | Osceola | Pennsylvania | |
| 23396 | Oak hall | Oak hall | Virginia | |
| 23416 | Oak hall | Oak hall | Virginia | |
| 24210 | Osceola | Abingdon | Virginia | Kingsport-Bristol-Bristol TN-VA |
| 27214 | Osceola | Browns summit | North Carolina | Greensboro-High Point NC |
| 28655 | Oak hill | Morganton | North Carolina | Hickory-Lenoir-Morganton NC |
| 31774 | Ocilla | Ocilla | Georgia | |
| 32179 | Ocklawaha | Ocklawaha | Florida | Ocala FL |
| 32179 | Oklawaha | Ocklawaha | Florida | Ocala FL |
| 32183 | Ocklawaha | Ocklawaha | Florida | Ocala FL |
| 32759 | Oak hill | Oak hill | Florida | Deltona-Daytona Beach-Ormond Beach FL |
| 34470 | Ocala | Ocala | Florida | Ocala FL |
| 34471 | Ocala | Ocala | Florida | Ocala FL |
| 34472 | Ocala | Ocala | Florida | Ocala FL |
| 34473 | Ocala | Ocala | Florida | Ocala FL |
| 34474 | Ocala | Ocala | Florida | Ocala FL |
| 34475 | Ocala | Ocala | Florida | Ocala FL |
| 34476 | Ocala | Ocala | Florida | Ocala FL |
| 34477 | Ocala | Ocala | Florida | Ocala FL |
| 34478 | Ocala | Ocala | Florida | Ocala FL |
| 34479 | Ocala | Ocala | Florida | Ocala FL |
| 34480 | Ocala | Ocala | Florida | Ocala FL |
| 34481 | Ocala | Ocala | Florida | Ocala FL |
| 34482 | Ocala | Ocala | Florida | Ocala FL |
| 34483 | Ocala | Ocala | Florida | Ocala FL |
| 36766 | Oak hill | Oak hill | Alabama | |
| 36766 | Oakhill | Oak hill | Alabama | |
| 37220 | Oak hill | Nashville | Tennessee | Nashville-Davidson--Murfreesboro--Frankl |
| 40962 | Ogle | Manchester | Kentucky | |
| 44860 | Oceola | Oceola | Ohio | Bucyrus OH |
| 45209 | Oakley | Cincinnati | Ohio | Cincinnati OH-KY-IN |
| 45656 | Oak hill | Oak hill | Ohio | Jackson OH |
| 46561 | Osceola | Osceola | Indiana | South Bend-Mishawaka IN-MI |
| 48649 | Oakley | Oakley | Michigan | Saginaw MI |
| 50049 | Oakley | Chariton | Iowa | |
| 50213 | Osceola | Osceola | Iowa | |
| 54020 | Osceola | Osceola | Wisconsin | |
| 56742 | Oklee | Oklee | Minnesota | |
| 56744 | Oslo | Oslo | Minnesota | |
| 57764 | Oglala | Oglala | South Dakota | |
| 61421 | Osceola | Bradford | Illinois | Peoria IL |
| 62501 | Oakley | Argenta | Illinois | Decatur IL |
| 63955 | Oxly | Oxly | Missouri | |
| 64776 | Osceola | Osceola | Missouri | |
| 67432 | Oakhill | Clay center | Kansas | |
| 67656 | Ogallah | Ogallah | Kansas | |
| 67748 | Oakley | Oakley | Kansas | |
| 68651 | Osceola | Osceola | Nebraska | |
| 69153 | Ogallala | Ogallala | Nebraska | |
| 72370 | Osceola | Osceola | Arkansas | Blytheville AR |
| 72645 | Oxley | Leslie | Arkansas | |
| 78608 | Oakalla | Briggs | Texas | |
| 78735 | Oak hill | Austin | Texas | Austin-Round Rock TX |
| 78736 | Oak hill | Austin | Texas | Austin-Round Rock TX |
| 78749 | Oak hill | Austin | Texas | Austin-Round Rock TX |
| 83346 | Oakley | Oakley | Idaho | Burley ID |
| 84055 | Oakley | Oakley | Utah | Summit Park UT |
| 94561 | Oakley | Oakley | California | San Francisco-Oakland-Hayward CA |
| 96774 | Ookala | Ookala | Hawaii | Hilo HI |
| 98022 | Osceola | Enumclaw | Washington | Seattle-Tacoma-Bellevue WA |