ZIP Codes Box

LaSalle County, Illinois ZIP codes

26ZIP codes
26Cities and towns
109,368People in ZIP areas
309, 779, 815Area codes

LaSalle 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 LaSalle County

ZIP codeCityTypePopulationMedian income
60470RansomStandard358$85,000
60518EarlvilleStandard3,289$69,980
60531LelandStandard1,885$79,808
60537MillingtonPO Box only726$81,825
60549SerenaStandard784$108,417
60551SheridanStandard5,058$86,786
60552SomonaukStandard4,285$113,411
60557WedronPO Box only––
61301La SalleStandard10,398$60,328
61316Cedar PointPO Box only256$74,375
61321DanaStandard224$80,257
61325Grand RidgeStandard949$87,500
61332LeonorePO Box only104$50,313
61334LostantStandard738$86,250
61341MarseillesStandard7,692$72,530
61342MendotaStandard8,543$65,348
61348OglesbyStandard4,375$76,369
61350OttawaStandard23,713$77,921
61354PeruStandard10,290$76,392
61358RutlandStandard407$88,393
61360SenecaStandard3,610$95,093
61364StreatorStandard17,963$59,060
61370TonicaStandard1,215$91,094
61371TriumphPO Box only83–
61372Troy GrovePO Box only300$83,917
61373UticaStandard2,123$109,000

Cities and towns in LaSalle County

Area codes in LaSalle County

Questions

How many ZIP codes are in LaSalle County, IL?
LaSalle County has 26 ZIP codes, 20 of them standard ZIP codes for street addresses.
What cities are in LaSalle County?
LaSalle County ZIP codes cover Cedar Point, Dana, Earlville, Grand Ridge, La Salle, Leland, Leonore and Lostant and 18 other places.
What area code is LaSalle County, IL?
LaSalle County uses area codes 309, 779 and 815.
What time zone is LaSalle County in?
LaSalle County is in Central Time.

Other Illinois counties