Zip Area Code

Joppatowne, Maryland

No ZIP code carries the name of Joppatowne, Maryland, in Baltimore County; the nearest ZIP codes are 21085, 21156 and 21162, in area code 410, with overlays 443 and 667.

Nearest ZIP
21085, 21156, 21162
Area codes
410, 443, 667
Time zone
Eastern Time
Coordinates
39.4166, -76.3522

Nearest ZIP codes to Joppatowne

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

ZIP codePost officeCountyArea codes
21085JoppaHarford County410, 443, 667
21156Upper FallsBaltimore County410, 443, 667
21162White MarshBaltimore County410, 443, 667

Area codes for Joppatowne

  • Area code 410

    In service since October 6, 1991. Shares its area with 443 and 667. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 443

    In service since June 1, 1997. Shares its area with 410 and 667. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 667

    In service since March 24, 2012. Shares its area with 410 and 443. 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

Joppatowne is in the Eastern Time zone.

Towns near Joppatowne

Local numbers in area code 410

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