| 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 |
|---|---|---|---|
| 660-398 | Hardin | Ray | Landline |
| 660-986 | Parnell | Nodaway | Landline |
| 660-233 | Whiteman Air Force Base | Johnson | Wireless |
| 660-254 | Maryville | Nodaway | Wireless |
| 660-535 | King City | Gentry | Landline |
| 660-963 | Laclede | Linn | Landline |
| 660-646 | Chillicothe | Livingston | Landline |
| 660-478 | Eagleville | Harrison | Landline |
| 660-290 | Smithton | Pettis | Landline |
| 660-563 | Whiteman Air Force Base | Johnson | Landline |
| 660-793 | Lucerne | Putnam | Landline |
| 660-486 | Ethel | Macon | Landline |
| 660-423 | Hurdland | Knox | Landline |
| 660-661 | Syracuse | Morgan | Landline |
| 660-553 | Sedalia | Pettis | Wireless |
| 660-729 | Clearmont | Nodaway | Landline |
| 660-707 | Chillicothe | Livingston | Landline |
| 660-352 | Kingston | Caldwell | Landline |
| 660-692 | Green City | Sullivan | Landline |
| 660-333 | Otterville | Cooper | Landline |