ZIP Codes Box

Rock Island County, Illinois ZIP codes

21ZIP codes
18Cities and towns
144,279People in ZIP areas
309, 319, 563Area codes

Rock Island 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 Rock Island County

ZIP codeCityTypePopulationMedian income
61201Rock IslandStandard36,766$59,396
61204Rock IslandPO Box only––
61232AndalusiaStandard1,469$73,971
61236BarstowPO Box only34$77,813
61237Buffalo PrairiePO Box only––
61239Carbon CliffStandard1,189$32,177
61240Coal ValleyStandard5,795$113,220
61242CordovaStandard1,135$104,219
61244East MolineStandard23,308$63,819
61256HamptonStandard1,926$90,406
61257HillsdaleStandard844$64,107
61259Illinois CityStandard1,053$91,458
61264MilanStandard10,073$78,068
61265MolineStandard43,748$66,933
61266MolinePO Box only––
61275Port ByronStandard4,253$108,438
61278Rapids CityPO Box only678$69,938
61279ReynoldsStandard1,015$87,656
61282SilvisStandard8,394$64,398
61284Taylor RidgeStandard2,599$100,505
61299Rock IslandUnique––

Cities and towns in Rock Island County

Area codes in Rock Island County

Questions

How many ZIP codes are in Rock Island County, IL?
Rock Island County has 21 ZIP codes, 15 of them standard ZIP codes for street addresses.
What cities are in Rock Island County?
Rock Island County ZIP codes cover Rock Island, Moline, Andalusia, Barstow, Buffalo Prairie, Carbon Cliff, Coal Valley and Cordova and 10 other places.
What area code is Rock Island County, IL?
Rock Island County uses area codes 309, 319, 563, 779 and 815.
What time zone is Rock Island County in?
Rock Island County is in Central Time.

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