Helen, Maryland
Helen, Maryland, in St. Mary's County, has ZIP code 20635 and area code 301, with overlays 227 and 240.
- ZIP code
- 20635
- Area codes
- 301, 227, 240
- County
- St. Mary's County
- State
- Maryland
- Time zone
- Eastern Time
- Coordinates
- 38.3121, -76.6077
ZIP codes in Helen
Area codes for Helen
- 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
Helen is in the Eastern Time zone.
Towns near Helen
- Leonardtown4.7 km (2.9 mi)
- Wildewood5.4 km (3.4 mi)
- Hollywood6 km (3.7 mi)
- California6.8 km (4.2 mi)
- Loveville8.4 km (5.2 mi)
- Compton9.3 km (5.8 mi)
- Morganza10.4 km (6.5 mi)
- Clements10.8 km (6.7 mi)
Local numbers in area code 301
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