| 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 |
|---|---|---|---|
| 660-774 | Boonville | Cooper | Landline |
| 660-728 | Armstrong | Howard | Wireless |
| 660-568 | Houstonia | Pettis | Landline |
| 660-770 | Fayette | Howard | Landline |
| 660-644 | Breckenridge | Caldwell | Landline |
| 660-736 | Tarkio | Atchison | Landline |
| 660-695 | Bucklin | Linn | Landline |
| 660-533 | Coffey | Daviess | Landline |
| 660-525 | Clinton | Henry | Wireless |
| 660-244 | Purdin | Linn | Landline |
| 660-593 | Norborne | Carroll | Landline |
| 660-924 | Clinton | Henry | Wireless |
| 660-274 | King City | Gentry | Landline |
| 660-269 | Moberly | Randolph | Landline |
| 660-409 | Houstonia | Pettis | Landline |
| 660-572 | Mound City | Holt | Wireless |
| 660-385 | Macon | Macon | Landline |
| 660-249 | Malta Bend | Saline | Landline |
| 660-261 | Huntsville | Randolph | Landline |
| 660-363 | Blairstown | Henry | Landline |