Central time zone
Current Time in Dekalb: 04:00 PM

Dekalb Area Codes

Here is the current list of area codes in Dekalb, IL. There is currently 2 area code(s) in Dekalb. Search all the most up-to-date currently used Dekalb area codes below.

Central time zone
Current Time in Dekalb: 04:00 PM
Area Code State City Timezone
779IllinoisDekalbCentral
815IllinoisDekalbCentral