| Zipcode | Community | City | State | Metro Area |
|---|---|---|---|---|
| 05701 | Clementwood | Rutland | Vermont | Rutland VT |
| 15621 | Calumet | Calumet | Pennsylvania | Pittsburgh PA |
| 19703 | Claymont | Claymont | Delaware | Philadelphia-Camden-Wilmington PA-NJ-DE- |
| 24228 | Clintwood | Clintwood | Virginia | Big Stone Gap VA |
| 37313 | Coalmont | Coalmont | Tennessee | |
| 38450 | Collinwood | Collinwood | Tennessee | |
| 47845 | Coalmont | Coalmont | Indiana | Terre Haute IN |
| 49913 | Calumet | Calumet | Michigan | Houghton MI |
| 49918 | Calumet | Copper harbor | Michigan | Houghton MI |
| 49942 | Calumet | Kearsarge | Michigan | Houghton MI |
| 51009 | Calumet | Calumet | Iowa | |
| 55716 | Calumet | Calumet | Minnesota | |
| 62252 | Clement | Huey | Illinois | St. Louis MO-IL |
| 70043 | Chalmette | Chalmette | Louisiana | New Orleans-Metairie LA |
| 70044 | Chalmette | Chalmette | Louisiana | New Orleans-Metairie LA |
| 70510 | Cow island | Abbeville | Louisiana | Lafayette LA |
| 73014 | Calumet | Calumet | Oklahoma | Oklahoma City OK |
| 79836 | Clint | Clint | Texas | El Paso TX |
| 80430 | Coalmont | Coalmont | Colorado | |
| 89008 | Caliente | Caliente | Nevada | |
| 93518 | Caliente | Caliente | California | Bakersfield CA |