ZIP Codes Box

Whiteside County, Illinois ZIP codes

12ZIP codes
12Cities and towns
56,250People in ZIP areas
309, 563, 779Area codes

Whiteside 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 Whiteside County

ZIP codeCityTypePopulationMedian income
61037GaltPO Box only145$70,357
61071Rock FallsStandard13,581$60,508
61081SterlingStandard20,844$67,586
61230AlbanyStandard1,039$62,344
61243Deer GroveStandard155$148,309
61250ErieStandard2,781$84,688
61251FentonStandard377$79,464
61252FultonStandard5,437$59,861
61261LyndonStandard656$64,375
61270MorrisonStandard6,912$80,867
61277ProphetstownStandard3,054$70,363
61283TampicoStandard1,269$64,063

Cities and towns in Whiteside County

Area codes in Whiteside County

Questions

How many ZIP codes are in Whiteside County, IL?
Whiteside County has 12 ZIP codes, 11 of them standard ZIP codes for street addresses.
What cities are in Whiteside County?
Whiteside County ZIP codes cover Albany, Deer Grove, Erie, Fenton, Fulton, Galt, Lyndon and Morrison and 4 other places.
What area code is Whiteside County, IL?
Whiteside County uses area codes 309, 563, 779 and 815.
What time zone is Whiteside County in?
Whiteside County is in Central Time.

Other Illinois counties