Rockville, MD Covers 8 ZIP Codes
| ZIP Code | Area Code(s) | Classification |
| 20851 | 301/240 | Non-Unique |
| 20852 | 301/240 | Non-Unique |
| 20853 | 301/240 | Non-Unique |
| 20857 | 301/240 | Unique |
Herein, what county is ZIP code 20850 in?
Montgomery County
Furthermore, what is the area code for Rockville Maryland? Area code 301 is located in western Maryland and covers Germantown, Silver Spring, Waldorf, Frederick, and Rockville. It has a single overlay (240) that serves the same area.
Also Know, where is the zip code 20852?
Rockville, MD North Bethesda, MD Rollins Park, MD
What are the zip codes in Maryland?
| Rank | Zip Code | Population |
| 1 | 20906 | 70,749 |
| 2 | 21234 | 68,381 |
| 3 | 20878 | 63,030 |
| 4 | 21740 | 61,768 |
Related Question Answers
What is Olney zip code?
20830 20832 20833 20853 20860 What is Silver Springs ZIP code?
| Silver Spring, Maryland |
| ZIP Codes | 20901–20907 20910 |
| Area codes | 301, 240 |
| FIPS code | 24-72450 |
| GNIS feature ID | 0591290 |
What county is Rockville?
Montgomery County
How many zip codes are in Montgomery County MD?
45 Zip Codes
What is the zip code for Germantown Maryland?
20874 20875 20876 20879 What is the zip code for Wheaton Maryland?
20895 20902 20906 What is the zip code for Hagerstown Maryland?
21740 21741 21742 21749 What is the population of ZIP code 20850?
53,176 people
Is 401 a code?
Rhode Island
What state has the area code 301?
Maryland Pennsylvania What area code is 301 cell phone?
state of Maryland
What area code is 443 in USA?
Eastern Maryland
Where is area code 312 for cell phones?
Chicago
What is the 301?
The HTTP response status code 301 Moved Permanently is used for permanent redirecting, meaning current links or records using the URL this response is received for should be updated. What country code is 310?
California area code 310 extends along the coast from the South Bay and just into Ventura County, covering all of West Los Angeles. 
