| General Information about Area Code 660 | |
|---|---|
| Country | United States |
| State / Province / Territory | Missouri |
| Major City | Sedalia |
| Time Zone | Central (UTC-06:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 660-856 | Sumner | Chariton | Landline |
| 660-481 | Armstrong | Howard | Landline |
| 660-288 | Keytesville | Chariton | Landline |
| 660-273 | Armstrong | Howard | Landline |
| 660-541 | Maryville | Nodaway | Wireless |
| 660-744 | Tarkio | Atchison | Landline |
| 660-687 | Whiteman Air Force Base | Johnson | Landline |
| 660-236 | Marshall | Saline | Landline |
| 660-679 | Butler | Bates | Landline |
| 660-384 | Macon | Macon | Wireless |
| 660-422 | Warrensburg | Johnson | Landline |
| 660-766 | Queen City | Schuyler | Landline |
| 660-251 | Lexington | Lafayette | Landline |
| 660-262 | Warrensburg | Johnson | Landline |
| 660-225 | Centerview | Johnson | Landline |
| 660-278 | Lewistown | Lewis | Landline |
| 660-684 | Jamesport | Daviess | Landline |
| 660-670 | Moberly | Randolph | Wireless |
| 660-214 | Chillicothe | Livingston | Wireless |
| 660-448 | Gentry | Gentry | Landline |