Zip Area Code

Middletown, Ohio

Middletown, Ohio, in Butler County, has ZIP codes 45042 and 45044 and area code 513, with 283 as an overlay.

ZIP codes
45042, 45044
Area codes
513, 283
State
Ohio
Time zone
Eastern Time
Coordinates
39.5236, -84.3940

ZIP codes in Middletown

ZIP codePost officeCountyArea codes
45042MiddletownButler County513, 283
45044MiddletownButler County513, 283

Area codes for Middletown

  • Area code 513

    In service since 1947. Shares its area with 283. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 283

    In service since April 28, 2023. Shares its area with 513. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Middletown is in the Eastern Time zone.

Towns near Middletown