ZIP Codes Box

DeKalb County, Illinois ZIP codes

13ZIP codes
13Cities and towns
101,491People in ZIP areas
224, 331, 630Area codes

DeKalb County is in Illinois and the Central Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.

All ZIP codes in DeKalb County

ZIP codeCityTypePopulationMedian income
60111ClareStandard257$84,583
60112CortlandStandard4,621$72,831
60115DekalbStandard42,536$47,043
60129EsmondStandard229$117,750
60135GenoaStandard7,274$98,033
60145KingstonStandard2,464$108,477
60146KirklandStandard2,369$88,032
60150MaltaStandard1,738$86,719
60178SycamoreStandard22,224$92,913
60520HinckleyStandard2,979$98,958
60548SandwichStandard11,721$82,957
60550ShabbonaStandard941$81,574
60556WatermanStandard2,138$100,186

Cities and towns in DeKalb County

Area codes in DeKalb County

Questions

How many ZIP codes are in DeKalb County, IL?
DeKalb County has 13 ZIP codes.
What cities are in DeKalb County?
DeKalb County ZIP codes cover Clare, Cortland, Dekalb, Esmond, Genoa, Hinckley, Kingston and Kirkland and 5 other places.
What area code is DeKalb County, IL?
DeKalb County uses area codes 224, 331, 630, 779, 815 and 847.
What time zone is DeKalb County in?
DeKalb County is in Central Time.

Other Illinois counties