Olney, MD 20830

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Preferred Name, USPS

Olney, MD 20830

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The 20830 ZIP Code is centered¹ in Montgomery County at latitude 39.159 and longitude -77.076. It is a PO Box type ZIP Code. Montgomery County is in the Eastern Time Zone (UTC -5 hours) and observes daylight savings time.

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Nearby Cities, Towns & Census Designated Places

Olney, MD (< 0.1 mile)
Oakdale, MD (1.9 miles S)
Brookeville, MD (1.9 miles NNE)
Mount Zion, MD (2.4 miles NW)
Sandy Spring, MD (2.7 miles ESE)

Sycamore Acres, MD (3.1 miles SSW)
Ashton, MD (3.4 miles ESE)
Norbeck, MD (3.4 miles S)
Brinklow, MD (3.4 miles E)
Claysville, MD (3.6 miles NW)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

Avenel, MD (< 0.1 mile)
Towne Centre Place, MD (< 0.1 mile)
Williamsburg Village, MD (< 0.1 mile)
Tanterra, MD (< 0.1 mile)
Olney Oaks, MD (< 0.1 mile)

Olney Square, MD (< 0.1 mile)
Olney Town, MD (< 0.1 mile)
Camelback Village, MD (< 0.1 mile)
Briars Acres, MD (< 0.1 mile)
Brookeville Knolls, MD (< 0.1 mile)

ZIP Codes - Key Concepts

ZIP Codes are categories for grouping mailing addresses and are not exact geographic regions.
The centroid of a ZIP Code may be in one County and the associated city/town in another.
In rural areas, a single ZIP Code may be used for cities and towns in several different Counties / Independent Cities.
ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area.
ZIP Codes are only loosely tied to cities.

¹ Keeping the above key concepts in mind, what we informally refer to as the "center" of a ZIP Code is most often actually the centroid of a polygon.