Enter city, state, or port code.
| Name / Location | State   | Airport Code | Port Code | Zip Code |
| Chattanooga | Tennessee | CHA | 2008 | |
| Charlotte | North Carolina | CLT | 1512 | 28219 |
| Charleston | South Carolina | CHS | 1601 | |
| Charleston | West Virginia | CRW | 1409 | |
| Capitan | California | 2715 | ||
| Cambridge | Maryland | 1302 | ||
| Calumet Harbor | Illinois | 3901 | ||
| Calexico-East | California | 2507 | ||
| Calexico | California | 2503 | ||
| Butte | Montana | BTM | 3305 | |
| Burlington Internation Airport | Vermont | BTV | 0207 | |
| Buffalo-Niagra Falls | New York | BUF | 0901 | |
| Brunswick | Georgia | BQK | 1701 | |
| Brownsville | Texas | BRO | 2301 | |
| Bridgewater | Maine | 0127 | ||
| Bridgeport | Connecticut | BDR | 0410 | |
| Brewer, Cutler, Eastport | Louisiana | 0103 | ||
| Boston | Massachusetts | BOS | 0401 | |
| Boise | Idaho | BOI | 2907 | |
| Boca Grande | Florida | 1807 | ||
| Bluegrass Airport Lexington | Kentucky | LEX | 4184 | |
| Blaine | Washington | 3004 | ||
| Birmingham | Alabama | BHM | 1904 | |
| Benicia | California | 2830 | ||
| Bellingham | Washington | BLI | 3005 | |
