Bethesda, Maryland
Bethesda, Maryland, in Montgomery County, has ZIP codes 20810, 20811, 20813, 20814, 20816, 20817 and others, and area code 301, with overlays 227 and 240.
- ZIP codes
- 20810, 20811, 20813, 20814 …
- Area codes
- 301, 227, 240
- County
- Montgomery County
- State
- Maryland
- Time zone
- Eastern Time
- Coordinates
- 39.0426, -77.1461
ZIP codes in Bethesda
| ZIP code | Post office | County | Area codes |
|---|---|---|---|
| 20810* | Bethesda | Montgomery County | 301, 227, 240 |
| 20811* | Bethesda | Montgomery County | 301, 227, 240 |
| 20813* | Bethesda | Montgomery County | 301, 227, 240 |
| 20814 | Bethesda | Montgomery County | 301, 227, 240 |
| 20816 | Bethesda | Montgomery County | 301, 227, 240 |
| 20817 | Bethesda | Montgomery County | 301, 227, 240 |
| 20824* | Bethesda | Montgomery County | 301, 227, 240 |
| 20827* | Bethesda | Montgomery County | 301, 227, 240 |
| 20889 | Bethesda | Montgomery County | 301, 227, 240 |
| 20892 | Bethesda | Montgomery County | 301, 227, 240 |
| 20894 | Bethesda | Montgomery County | 301, 227, 240 |
* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.
Area codes for Bethesda
- 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
Bethesda is in the Eastern Time zone.
Towns near Bethesda
- North Bethesda2.3 km (1.4 mi)
- Garrett Park4.6 km (2.9 mi)
- Rockville5 km (3.1 mi)
- Kensington6.1 km (3.8 mi)
- Chevy Chase View6.2 km (3.9 mi)
- North Kensington6.4 km (4.0 mi)
- Potomac7.1 km (4.4 mi)
- South Kensington7.5 km (4.7 mi)
Local numbers in area code 301
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