| Zipcode | Community | City | State | Metro Area |
|---|---|---|---|---|
| 29203 | Killian | Columbia | South Carolina | Columbia SC |
| 29812 | Kline | Barnwell | South Carolina | |
| 35645 | Killen | Killen | Alabama | Florence-Muscle Shoals AL |
| 39556 | Kiln | Kiln | Mississippi | Gulfport-Biloxi-Pascagoula MS |
| 47424 | Koleen | Bloomfield | Indiana | |
| 47439 | Koleen | Koleen | Indiana | |
| 48631 | Kawkawlin | Kawkawlin | Michigan | Bay City MI |
| 50449 | Klemme | Klemme | Iowa | |
| 52247 | Kalona | Kalona | Iowa | Iowa City IA |
| 58456 | Kulm | Kulm | North Dakota | |
| 59072 | Klein | Roundup | Montana | |
| 70057 | Killona | Hahnville | Louisiana | New Orleans-Metairie LA |
| 70462 | Killian | Springfield | Louisiana | Baton Rouge LA |
| 71360 | Kolin | Pineville | Louisiana | Alexandria LA |
| 76540 | Killeen | Killeen | Texas | Killeen-Temple TX |
| 76541 | Killeen | Killeen | Texas | Killeen-Temple TX |
| 76542 | Killeen | Killeen | Texas | Killeen-Temple TX |
| 76543 | Killeen | Killeen | Texas | Killeen-Temple TX |
| 76544 | Killeen | Fort hood | Texas | Killeen-Temple TX |
| 76547 | Killeen | Killeen | Texas | Killeen-Temple TX |
| 76548 | Killeen | Harker heights | Texas | Killeen-Temple TX |
| 76549 | Killeen | Killeen | Texas | Killeen-Temple TX |
| 77379 | Klein | Spring | Texas | Houston-The Woodlands-Sugar Land TX |
| 77391 | Klein | Spring | Texas | Houston-The Woodlands-Sugar Land TX |
| 81326 | Kline | Hesperus | Colorado | Durango CO |
| 82227 | Keeline | Manville | Wyoming | |
| 98625 | Kalama | Kalama | Washington | Longview WA |