Rockville, Maryland ZIP codes
What is the ZIP code for Rockville, MD?
8 ZIP codes, 20847 to 20857
4 for street addresses · 3 PO Box only · 1 for single organizations
Rockville is in Montgomery County, Maryland. USPS uses 8 ZIP codes for Rockville, 4 of them for street addresses. About 145,330 people live in Rockville ZIP codes; the most populated is 20850 with 50,353 residents. The city is in the Eastern Time zone and uses area codes 240, 227 and 301.
| City | Rockville, MD |
|---|---|
| State | Maryland |
| County | Montgomery County |
| ZIP codes | 8 |
| Population (ZIP areas) | about 145,330 |
| Time zone | Eastern Time · now |
| Area codes | 240, 227, 301 |
All Rockville ZIP codes
| ZIP code | Type | Population | Median income |
|---|---|---|---|
| 20847 | PO Box only | – | – |
| 20848 | PO Box only | – | – |
| 20849 | PO Box only | – | – |
| 20850 | Standard | 50,353 | $125,950 |
| 20851 | Standard | 14,946 | $126,411 |
| 20852 | Standard | 48,180 | $122,472 |
| 20853 | Standard | 31,851 | $159,080 |
| 20857 | Unique | – | – |
Population and income: U.S. Census Bureau, American Community Survey 5-year estimates. PO Box and single-organization ZIP codes have no residents.
Other ZIP codes that accept “Rockville”
These ZIP codes belong to a neighboring city, but USPS also accepts Rockville as the city name in addresses.
Cities near Rockville
- Kensington, MD 4 mi
- Derwood, MD 4.2 mi
- Potomac, MD 4.3 mi
- Olney, MD 6 mi
- Silver Spring, MD 6.1 mi
- Bethesda, MD 6.4 mi
- Chevy Chase, MD 7.1 mi
- Gaithersburg, MD 7.1 mi
- Cabin John, MD 7.2 mi
- Sandy Spring, MD 7.4 mi
Questions
- What is the ZIP code for Rockville, MD?
- Rockville has 8 ZIP codes: 20847, 20848, 20849, 20850, 20851 and 20852 and 2 more. The right one depends on the street address.
- How many ZIP codes does Rockville have?
- 8: 4 standard ZIP codes for street addresses, 3 for PO Boxes only and 1 assigned to single organizations.
- Which Rockville ZIP code has the most people?
- 20850, with about 50,353 residents, followed by 20852 (48,180).
- What county is Rockville, MD in?
- Rockville ZIP codes are in Montgomery County.
- What area code is Rockville, MD?
- Rockville uses area codes 240, 227 and 301.