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ZIP Code 20857 — Rockville, Maryland

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Postal code 20857 covers 1 verified locality record in United States with interactive boundary centroid map and administrative hierarchy.

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County / Jurisdiction
Montgomery County
State & Primary City
Rockville, Maryland (United States)
📦 How to Write a Mailing Address for 20857 
JANE DOE
123 MAIN ST APT 4B
ROCKVILLE, MARYLAND 20857
UNITED STATES

Mapped Localities for 20857

1 Place
Rockville
20857
Maryland · Montgomery
📍 39.084, -77.1528

Interactive Map: 20857 (United States)

Geographic Centroid & Coverage: Highlighted marker and radius show the verified WGS84 postal area centroid for 20857.

Technical Geodesic & Postal Specifications for 20857

Postal Identifier 20857
Primary Locality Rockville
WGS84 Centroid Coordinates 39.084, -77.1528
Postal Prefix Sector20xx → Browse prefix 20
Time Zone (Standard)UTC-5 (Solar / Geodesic)
Geodesic Quadrant39.0840° N, 77.1528° W (WGS84)
Open Location Code (Plus Code)87F43RMW+JV
UTM Grid Coordinates (WGS84)18S 313797m E, 4328304m N
Solar Daylight Today (UTC)🌅 11:24 UTC  ·  🌇 22:21 UTC
Distance from Your Location

Nearby postal code lookups in United States

Compare 20857 with adjacent postal codes in the same area or prefix range:

20813 📍 8.2 km · 5.1 mi
Bethesda
20814 📍 10.3 km · 6.4 mi
Bethesda
20817 📍 10.5 km · 6.5 mi
Bethesda
20825 📍 11.4 km · 7.1 mi
Chevy Chase
20818 📍 12.2 km · 7.6 mi
Cabin John
20810 📍 12.3 km · 7.6 mi
Bethesda
20811 📍 12.3 km · 7.6 mi
Bethesda
20824 📍 12.3 km · 7.6 mi
Bethesda

Postal code prefix range: 20

Postal code 20857 belongs to the 20 prefix district in United States.

View all 20 postal codes → United States Directory

Verified data profile for ZIP Code 20857

Based on 1 records, 1 postal code values and 1 mapped localities. Coordinate coverage is 100.0%.

1
Records
1
Postal identifiers
100.0%
Geocoded
20857
Example code
Postal code Locality Administrative path Coordinates
20857 Rockville Maryland / Montgomery 39.084, -77.1528

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