Seneca Illinois ZIP Codes - Map and Full List

Seneca Illinois is covered by a total of 1 ZIP Codes. There are also 2 ZIP Codes that overlap Seneca but have a different postal city name. The ZIP Codes in Seneca range from 60450 to 61360. Of the ZIP codes within or partially within Seneca there are 1 Standard ZIP Codes. The total population of ZIP Codes in Seneca is 3379.

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Seneca Illinois ZIP Code Map

Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Seneca and can be turned on and off. Each type of postal code can also be turned on and off.

List of ZIP Codes in Seneca

ZIP CodeZIP Code City/TownZIP Code Type
ZIP Code 60450
MorrisStandard
ZIP Code 61341
MarseillesStandard
ZIP Code 61360
SenecaStandard

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