Zip Area Code

Area code 410

Area code 410 is a Maryland area code, in service since October 6, 1991.

It was added as an overlay on 301: both codes serve the same area, so neighbors can have numbers in either one.

443 and 667 serve the same area too.

Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

It is in the Eastern Time zone.

State
Maryland
In service since
October 6, 1991
Overlays
443, 667
Local dialing
ten digits; dialing 1 plus ten digits also works
Time zone
Eastern Time
ZIP codes
275

Map

Map of the 410 area codeThe shaded area shows where 410 numbers are rated, with the neighboring area codes outlined around it.856732609434540703757804301304610717302Bel AirAnnapolisTowsonCatonsvilleSalisburyEastonPrince Frederick
Approximate 410 coverage, drawn from U.S. Census ZIP code areas and NANPA rate centers. Dashed lines are state borders.

Main cities in area code 410

Overlays and neighboring area codes

Overlays, serving the same area: 443, 667.

Neighboring area codes: 856, 732, 609, 434, 540, 703, 757, 804, 301, 814, 304, 215, 610, 717, 302, 202.

Counties in area code 410

Towns in area code 410

And 276 more towns: every town in Maryland.

Local numbers in area code 410

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