Greensboro, Maryland
Greensboro, Maryland, in Caroline County, has ZIP code 21639 and area code 410, with overlays 443 and 667.
- ZIP code
- 21639
- Area codes
- 410, 443, 667
- County
- Caroline County
- State
- Maryland
- Time zone
- Eastern Time
- Coordinates
- 38.9616, -75.8059
ZIP codes in Greensboro
Area codes for Greensboro
- 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
Greensboro is in the Eastern Time zone.
Towns near Greensboro
- Ridgely6.8 km (4.2 mi)
- Goldsboro6.9 km (4.3 mi)
- West Denton8.5 km (5.3 mi)
- Denton11.6 km (7.2 mi)
- Henderson11.8 km (7.3 mi)
- Hillsboro12.4 km (7.7 mi)
- Queen Anne15 km (9.3 mi)
- Williston15.1 km (9.4 mi)
Local numbers in area code 410
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- (410) 881-3750Annapolis, MD$39View & buy
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- (410) 914-8851Churchville, MD$39View & buy
- (410) 921-1153Dorrs Corner, MD$39View & buy
- (410) 921-1479Dorrs Corner, MD$39View & buy
- (410) 921-2294Dorrs Corner, MD$39View & buy
- (410) 921-2710Dorrs Corner, MD$39View & buy
- (410) 921-2736Dorrs Corner, MD$39View & buy
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- (410) 921-6096Dorrs Corner, MD$39View & buy
- (410) 921-6129Dorrs Corner, MD$39View & buy
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