Dhs, Maryland
Dhs, Maryland, in Howard County, has ZIP code 20588 and area code 301, with overlays 227 and 240.
- ZIP code
- 20588
- Area codes
- 301, 227, 240
- County
- Howard County
- State
- Maryland
- Time zone
- Eastern Time
- Coordinates
- 38.7504, -76.8544
ZIP codes in Dhs
Area codes for Dhs
- Area code 301
In service since 1947. Shares its area with 227 and 240. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
- Area code 227
In service since June 14, 2023. Shares its area with 240 and 301. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
- Area code 240
In service since June 1, 1997. Shares its area with 227 and 301. 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
Dhs is in the Eastern Time zone.
Towns near Dhs
- Cheltenham1.5 km (0.9 mi)
- Rosaryville3 km (1.9 mi)
- Clinton4.2 km (2.6 mi)
- Melwood5.8 km (3.6 mi)
- Marlton6 km (3.7 mi)
- Andrews Air Force Base6.5 km (4.0 mi)
- Andrews AFB6.7 km (4.2 mi)
- Brandywine6.8 km (4.2 mi)
Local numbers in area code 301
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- (301) 723-7794Cumberland, MD$99View & buy
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