ZIP Codes Box

Delaware County, Iowa ZIP codes

10ZIP codes
10Cities and towns
16,256People in ZIP areas
319, 563Area codes

Delaware County is in Iowa 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 Delaware County

ZIP codeCityTypePopulationMedian income
50654MasonvilleStandard275$53,264
52035ColesburgStandard1,331$62,109
52036DelawareStandard135$85,208
52038DundeeStandard463$56,250
52041EarlvilleStandard1,468$89,697
52050GreeleyStandard422$67,206
52057ManchesterStandard8,193$69,635
52223DelhiStandard1,199$89,250
52237HopkintonStandard1,830$84,063
52330RyanStandard940$86,536

Cities and towns in Delaware County

Area codes in Delaware County

Questions

How many ZIP codes are in Delaware County, IA?
Delaware County has 10 ZIP codes.
What cities are in Delaware County?
Delaware County ZIP codes cover Colesburg, Delaware, Delhi, Dundee, Earlville, Greeley, Hopkinton and Manchester and 2 other places.
What area code is Delaware County, IA?
Delaware County uses area codes 319 and 563.
What time zone is Delaware County in?
Delaware County is in Central Time.

Other Iowa counties