| Zipcode | Community | City | State | Metro Area |
|---|---|---|---|---|
| 01225 | Cheshire | Cheshire | Massachusetts | Pittsfield MA |
| 03817 | Chocorua | Chocorua | New Hampshire | |
| 04624 | Corea | Corea | Maine | |
| 06408 | Cheshire | Cheshire | Connecticut | New Haven-Milford CT |
| 06410 | Cheshire | Cheshire | Connecticut | New Haven-Milford CT |
| 06411 | Cheshire | Cheshire | Connecticut | New Haven-Milford CT |
| 12413 | Cairo | Cairo | New York | |
| 13039 | Cicero | Cicero | New York | Syracuse NY |
| 16025 | Chicora | Chicora | Pennsylvania | Pittsburgh PA |
| 16407 | Corry | Corry | Pennsylvania | Erie PA |
| 23930 | Crewe | Crewe | Virginia | |
| 25614 | Cora | Cora | West Virginia | Logan WV |
| 27511 | Cary | Cary | North Carolina | Raleigh NC |
| 27512 | Cary | Cary | North Carolina | Raleigh NC |
| 27513 | Cary | Cary | North Carolina | Raleigh NC |
| 27518 | Cary | Cary | North Carolina | Raleigh NC |
| 27519 | Cary | Cary | North Carolina | Raleigh NC |
| 28020 | Casar | Casar | North Carolina | Shelby NC |
| 28435 | Currie | Currie | North Carolina | Wilmington NC |
| 29520 | Cheraw | Cheraw | South Carolina | |
| 35452 | Coker | Coker | Alabama | Tuscaloosa AL |
| 39054 | Cary | Cary | Mississippi | |
| 39426 | Carriere | Carriere | Mississippi | Picayune MS |
| 39483 | Cheraw | Foxworth | Mississippi | |
| 39827 | Cairo | Cairo | Georgia | |
| 39827 | Cario | Cairo | Georgia | |
| 39828 | Cairo | Cairo | Georgia | |
| 39828 | Cario | Cairo | Georgia | |
| 40977 | Cary | Pineville | Kentucky | Middlesborough KY |
| 41725 | Carrie | Carrie | Kentucky | |
| 43316 | Carey | Carey | Ohio | |
| 45620 | Cheshire | Cheshire | Ohio | Point Pleasant WV-OH |
| 45820 | Cairo | Cairo | Ohio | Lima OH |
| 46034 | Cicero | Cicero | Indiana | Indianapolis-Carmel-Anderson IN |
| 47846 | Cory | Cory | Indiana | Terre Haute IN |
| 47879 | Curry | Shelburn | Indiana | Terre Haute IN |
| 48723 | Caro | Caro | Michigan | |
| 52738 | Cairo | Columbus junction | Iowa | |
| 54534 | Carey | Hurley | Wisconsin | |
| 56123 | Currie | Currie | Minnesota | |
| 58327 | Crary | Crary | North Dakota | |
| 60804 | Cicero | Cicero | Illinois | Chicago-Naperville-Elgin IL-IN-WI |
| 61317 | Cherry | Cherry | Illinois | Ottawa-Peru IL |
| 61415 | Check row | Avon | Illinois | Canton IL |
| 62914 | Cairo | Cairo | Illinois | Cape Girardeau MO-IL |
| 63556 | Cora | Milan | Missouri | |
| 65239 | Cairo | Cairo | Missouri | Moberly MO |
| 68824 | Cairo | Cairo | Nebraska | Grand Island NE |
| 71201 | Corey | Monroe | Louisiana | Monroe LA |
| 72419 | Caraway | Caraway | Arkansas | Jonesboro AR |
| 73727 | Carrier | Carrier | Oklahoma | Enid OK |
| 77954 | Cuero | Cuero | Texas | |
| 79201 | Carey | Childress | Texas | |
| 80612 | Carr | Carr | Colorado | Greeley CO |
| 81030 | Cheraw | Cheraw | Colorado | |
| 81414 | Cory | Cory | Colorado | |
| 82925 | Cora | Cora | Wyoming | |
| 83320 | Carey | Carey | Idaho | Hailey ID |
| 83328 | Curry | Filer | Idaho | Twin Falls ID |
| 87519 | Cerro | Cerro | New Mexico | Taos NM |
| 89301 | Currie | Ely | Nevada | |
| 97419 | Cheshire | Cheshire | Oregon | Eugene OR |
| 97914 | Cairo | Ontario | Oregon | Ontario OR-ID |
| 98616 | Cougar | Cougar | Washington | Longview WA |