Zip Area Code

Monkton, Maryland

Monkton, Maryland, in Baltimore County, has ZIP code 21111 and area code 410, with overlays 443 and 667.

ZIP code
21111
Area codes
410, 443, 667
Time zone
Eastern Time
Coordinates
39.5662, -76.5979

ZIP codes in Monkton

ZIP codePost officeCountyArea codes
21111MonktonBaltimore County410, 443, 667

Area codes for Monkton

  • 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

Monkton is in the Eastern Time zone.

Towns near Monkton

Local numbers in area code 410

Looking for a phone number with a Monkton area code? These 410 numbers are for sale through Exclusive Digits. Portable to Verizon, AT&T, T-Mobile and all major US carriers.

We may earn a commission when you buy through our links. Numbers are sold and delivered by Exclusive Digits.

More area code 410 numbers on Exclusive Digits