Troy, Ohio

2 ZIP codes · Eastern time

ZIP codes (largest first)

45373 · 37,56545374 (PO box)
Population26,842
StateOhio
CountyMiami County
Time zoneEastern
Land area12.64 sq mi

Area codes in this area

326937

These are the area codes that most often serve Troy (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

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Population: U.S. Census Bureau, ACS 5-year estimates, 2024.