Area Code Search
Central time zone
Current Time in Osco: 04:14 PM
Osco Area Codes
Here is the current list of area codes in Osco, IL. There is currently 1 area code(s) in Osco. Search all the most up-to-date currently used Osco area codes below.
Central time zone
Current Time in Osco: 04:14 PM
| Area Code | State | City | Timezone |
|---|---|---|---|
| 309 | Illinois | Osco | Central |