| Zipcode | Community | City | State | Metro Area |
|---|---|---|---|---|
| 12911 | Keeseville | Keeseville | New York | Plattsburgh NY |
| 12924 | Keeseville | Keeseville | New York | Plattsburgh NY |
| 12944 | Keeseville | Keeseville | New York | Plattsburgh NY |
| 16136 | Koppel | Koppel | Pennsylvania | Pittsburgh PA |
| 17236 | Kasiesville | Mercersburg | Pennsylvania | Chambersburg-Waynesboro PA |
| 17821 | Kaseville | Danville | Pennsylvania | Bloomsburg-Berwick PA |
| 23947 | Keysville | Keysville | Virginia | |
| 25534 | Kiahsville | Kiahsville | West Virginia | Huntington-Ashland WV-KY-OH |
| 30816 | Keysville | Keysville | Georgia | Augusta-Richmond County GA-SC |
| 37934 | Kville | Knoxville | Tennessee | Knoxville TN |
| 42053 | Kevil | Kevil | Kentucky | Paducah KY-IL |
| 62449 | Kibble | Oblong | Illinois | |
| 63534 | Kaseyville | Callao | Missouri | |
| 96707 | Kapolei | Kapolei | Hawaii | Urban Honolulu HI |
| 96709 | Kapolei | Kapolei | Hawaii | Urban Honolulu HI |