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ZIP code 20859: Potomac, MD

20859 is a PO Box or single-organization ZIP code in Potomac, Maryland, mainly in Montgomery County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metro area.

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ZIP codes within 10 milesWithin 25 miles

ZIP code 20859 details

CityPotomac
StateMaryland
CountyMontgomery County
Metro areaWashington-Arlington-Alexandria, DC-VA-MD-WV
Time zoneEastern Time (UTC−5), observes daylight saving time
TypePO Box / single organization
Center coordinates39.14400, -77.20760

ZIP codes near 20859

ZIP codeCityDistancePopulation
20884Gaithersburg, MDsame location—
20827Bethesda, MDsame location—
20859Potomac, MDsame location—
20875Germantown, MDsame location—
20897Suburb Maryland Fac, MDsame location—
20813Bethesda, MDsame location—
20898Gaithersburg, MDsame location—
20899Gaithersburg, MD0.5 mi57

About ZIP code 20859

What city is ZIP code 20859?

ZIP code 20859 is in Potomac, MD, in Montgomery County.

What county is ZIP code 20859 in?

20859 is mainly in Montgomery County, Maryland.

Why doesn't 20859 have a population?

20859 is a PO Box or single-organization ZIP code. It has a post office location but no residential delivery area, so the Census Bureau reports no population for it.

What time zone is ZIP code 20859 in?

20859 is in Eastern Time (UTC−5). It observes daylight saving time.

What other ZIP codes does Potomac have?

Potomac, MD also uses 20854.