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ZIP code 20830: Olney, MD

20830 is a PO Box or single-organization ZIP code in Olney, 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 20830 details

CityOlney
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 coordinates39.15520, -77.06670

ZIP codes near 20830

ZIP codeCityDistancePopulation
20832Olney, MD0.7 mi25,553
20860Sandy Spring, MD1.7 mi2,035
20862Brinklow, MD3.2 mi430
20861Ashton, MD3.7 mi2,890
20855Derwood, MD3.7 mi17,279
20833Brookeville, MD3.8 mi7,860
20853Rockville, MD4.0 mi31,851
20906Silver Spring, MD4.7 mi70,595

About ZIP code 20830

What city is ZIP code 20830?

ZIP code 20830 is in Olney, MD, in Montgomery County.

What county is ZIP code 20830 in?

20830 is mainly in Montgomery County, Maryland.

Why doesn't 20830 have a population?

20830 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 20830 in?

20830 is in Eastern Time (UTC−5). It observes daylight saving time.

What other ZIP codes does Olney have?

Olney, MD also uses 20832.