Central time zone
Current Time in Callao: 08:35 PM

Callao Area Codes

Here is the current list of area codes in Callao, MO. There is currently 1 area code(s) in Callao. Search all the most up-to-date currently used Callao area codes below.

Central time zone
Current Time in Callao: 08:35 PM
Area Code State City Timezone
660MissouriCallaoCentral