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Ohio · Montgomery

45440 ZIP Code

45440 is associated with Dayton, Ohio. The page shows the county, timezone, nearby ZIPs and links to the state hub for a nearby city generator.

ZIP details

ZIP code
45440
City
Dayton
State
Ohio (OH)
County
Montgomery
Timezone
America/New_York
State sales tax
Varies by state
Open map Ohio hub

Nearby ZIP codes

45439Dayton, OH45441Dayton, OH45437Dayton, OH45435Dayton, OH45434Dayton, OH45433Dayton, OH45432Dayton, OH45448Dayton, OH

Questions about 45440

What city is ZIP code 45440 in?+
45440 is associated with Dayton, Ohio in the bundled dataset. ZIP areas can cross city and county lines, so use the city and county fields together.
What county is 45440 in?+
Montgomery. County boundaries and postal areas are not the same thing; a ZIP can serve addresses in more than one county.
What timezone is 45440 in?+
America/New_York. This is the IANA timezone name for the city associated with the ZIP.
Is 45440 a real ZIP code?+
It appears in the public city dataset bundled with this site. That confirms the format and city association, not that a specific street, mailbox, or resident exists.
All ZIP codesValidate a full address