Zip Area Code

Linthicum, Maryland

No ZIP code carries the name of Linthicum, Maryland, in Anne Arundel County; the nearest ZIP codes are 21090, 21227 and 21240, in area code 410, with overlays 443 and 667.

Nearest ZIP
21090, 21227, 21240
Area codes
410, 443, 667
Time zone
Eastern Time
Coordinates
39.2096, -76.6647

Nearest ZIP codes to Linthicum

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

ZIP codePost officeCountyArea codes
21090Linthicum HeightsAnne Arundel County410, 443, 667
21227HalethorpeBaltimore County410, 443, 667
21240BaltimoreAnne Arundel County410, 443, 667

Area codes for Linthicum

  • 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

Linthicum is in the Eastern Time zone.

Towns near Linthicum

Local numbers in area code 410

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