Zip Area Code

Flower Hill, Maryland

No ZIP code carries the name of Flower Hill, Maryland, in Montgomery County; the nearest ZIP codes are 20877, 20879 and 20886, in area code 301, with overlays 227 and 240.

Nearest ZIP
20877, 20879, 20886
Area codes
301, 227, 240
Time zone
Eastern Time
Coordinates
39.1684, -77.1844

Nearest ZIP codes to Flower Hill

These are the ZIP codes nearest to Flower Hill, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
20877GaithersburgMontgomery County301, 227, 240
20879GaithersburgMontgomery County301, 227, 240
20886Montgomery VillageMontgomery County301, 227, 240

Area codes for Flower Hill

  • Area code 301

    In service since 1947. Shares its area with 227 and 240. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 227

    In service since June 14, 2023. Shares its area with 240 and 301. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 240

    In service since June 1, 1997. Shares its area with 227 and 301. 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

Flower Hill is in the Eastern Time zone.

Towns near Flower Hill