| Zipcode | Community | City | State | Metro Area |
|---|---|---|---|---|
| 08080 | Cross keys | Sewell | New Jersey | Philadelphia-Camden-Wilmington PA-NJ-DE- |
| 08515 | Crosswicks | Chesterfield | New Jersey | Philadelphia-Camden-Wilmington PA-NJ-DE- |
| 12032 | Caroga | Caroga lake | New York | Gloversville NY |
| 15829 | Corsica | Corsica | Pennsylvania | |
| 17268 | Cress | Waynesboro | Pennsylvania | Chambersburg-Waynesboro PA |
| 17948 | Craigs | Mahanoy city | Pennsylvania | Pottsville PA |
| 18326 | Cresco | Cresco | Pennsylvania | East Stroudsburg PA |
| 22841 | Crosskeys | Mount crawford | Virginia | Harrisonburg VA |
| 24318 | Ceres | Ceres | Virginia | |
| 28033 | Crouse | Crouse | North Carolina | Charlotte-Concord-Gastonia NC-SC |
| 28717 | Cashiers | Cashiers | North Carolina | Cullowhee NC |
| 28719 | Cherokee | Cherokee | North Carolina | |
| 29436 | Cross | Cross | South Carolina | Charleston-North Charleston SC |
| 33037 | Cross key | Key largo | Florida | Key West FL |
| 35616 | Cherokee | Cherokee | Alabama | Florence-Muscle Shoals AL |
| 40013 | Coxs creek | Coxs creek | Kentucky | Bardstown KY |
| 41179 | Carrs | Vanceburg | Kentucky | |
| 41180 | Cherokee | Webbville | Kentucky | |
| 41465 | Cyrus | Salyersville | Kentucky | |
| 42129 | Cork | Edmonton | Kentucky | Glasgow KY |
| 42728 | Casey creek | Columbia | Kentucky | |
| 47303 | Cook acres | Muncie | Indiana | Muncie IN |
| 49033 | Ceresco | Ceresco | Michigan | Battle Creek MI |
| 51012 | Cherokee | Cherokee | Iowa | |
| 52136 | Cresco | Cresco | Iowa | |
| 52151 | Church | Lansing | Iowa | |
| 56323 | Cyrus | Cyrus | Minnesota | |
| 57020 | Crooks | Crooks | South Dakota | Sioux Falls SD |
| 57055 | Crooks | Renner | South Dakota | Sioux Falls SD |
| 57328 | Corsica | Corsica | South Dakota | |
| 58365 | Crocus | Rocklake | North Dakota | |
| 59648 | Craig | Wolf creek | Montana | Helena MT |
| 62859 | Crook | Mc leansboro | Illinois | |
| 62895 | Crouch | Wayne city | Illinois | |
| 63377 | Corso | Silex | Missouri | St. Louis MO-IL |
| 64437 | Craig | Craig | Missouri | |
| 66724 | Cherokee | Cherokee | Kansas | Pittsburg KS |
| 68017 | Ceresco | Ceresco | Nebraska | Omaha-Council Bluffs NE-IA |
| 68019 | Craig | Craig | Nebraska | |
| 71454 | Crews | Montgomery | Louisiana | Alexandria LA |
| 73728 | Cherokee | Cherokee | Oklahoma | |
| 75652 | Craig | Henderson | Texas | Longview TX |
| 75845 | Crecy | Groveton | Texas | Huntsville TX |
| 76832 | Cherokee | Cherokee | Texas | |
| 77963 | Charco | Goliad | Texas | Victoria TX |
| 79567 | Crews | Winters | Texas | |
| 80726 | Crook | Crook | Colorado | Sterling CO |
| 81625 | Craig | Craig | Colorado | Craig CO |
| 81626 | Craig | Craig | Colorado | Craig CO |
| 83622 | Crouch | Garden valley | Idaho | Boise City ID |
| 87560 | Coruco | Ribera | New Mexico | Las Vegas NM |
| 88301 | Carrizozo | Carrizozo | New Mexico | |
| 95307 | Ceres | Ceres | California | Modesto CA |
| 95312 | Cressey | Cressey | California | Merced CA |
| 95959 | Cherokee | Nevada city | California | Truckee-Grass Valley CA |
| 95965 | Cherokee | Oroville | California | Chico CA |
| 98532 | Ceres | Chehalis | Washington | Centralia WA |
| 99921 | Craig | Craig | Alaska | |