ZIP Code 20851 — Rockville, Maryland
ZIP code 20851 belongs to Rockville, Maryland (county: Montgomery). It sits at latitude 39.0763, longitude -77.1234 in the America/New_York time zone.
| Field | Value |
|---|---|
| ZIP code | 20851 |
| City / place | Rockville |
| State | Maryland |
| County | Montgomery |
| Coordinates | 39.0763, -77.1234 |
| Time zone | America/New_York |
| City population | 66,980 |
| ZIP type | PO box / unique |
| Telephone area codes | 240, 301 |
What is ZIP code 20851?
20851 is a five-digit ZIP code used by the United States Postal Service for Rockville, Maryland. It is one of 8 ZIP codes associated with Rockville in this dataset. The delivery area is served from the local post office network, so the ZIP can cover more than one neighbourhood or even cross a city line.
ZIP codes in the same city
20847 Montgomery20848 Montgomery20849 Montgomery20850 Montgomery20852 Montgomery20853 Montgomery20857 Montgomery
Area codes and city profile
Telephone area codes serving Rockville: 240, 301. For population, county and county-seat details, see Rockville and all places in Maryland.
Nearby ZIP codes
20847 2.7 km · Rockville20849 2.7 km · Rockville20857 2.7 km · Rockville20853 2.8 km · Rockville20852 3.0 km · Rockville20883 3.2 km · Gaithersburg20850 4.0 km · Rockville20906 5.4 km · Silver Spring
Frequently asked questions
What city is ZIP code 20851 in?
ZIP code 20851 is in Rockville, Maryland.
What county is 20851 in?
20851 belongs to Montgomery in Maryland.
What time zone is ZIP code 20851 in?
20851 is in the America/New_York time zone.