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ZIP Code 5: 20850 - POTOMAC, ROCKVILLE, MD

ZIP Code 20850 is the postal code in POTOMAC, MD. Besides the basic information, it also lists the full ZIP code and the address of ZIP code 20850. Whatsmore, there is more information related to ZIP Code 20850. For example, nearby ZIP code around ZIP Code 20850, etc.

ZIP 20850 Basic Information

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The basic information of ZIP Code 20850 is as follows, including: country, county, city, FIPS and etc.

StateCountyCityZIP Code 5
MD - MarylandMontgomery CountyPOTOMAC20850
MD - MarylandMontgomery CountyROCKVILLE20850

📌It means zip code 20850 is across counties/cities.

What is the plus 4 zip code for 20850 ZIP Code? Below is the detail.

20850 ZIP+4 Code List

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What are the 4 digit zip extensions of ZIP Code 20850? ZIP code 20850 has many plus 4 codes, and each plus 4 code corresponds to one or more addresses. Below we list all the ZIP+4 codes and their addresses in the ZIP Code 20850. You can find a 9-digit ZIP Code by a full address.

ZIP Code 5 Plus 4 Address
20850-0001 255 WASHINGTON ST APT 25, ROCKVILLE, MD
20850-0002 255 WASHINGTON ST APT 32, ROCKVILLE, MD
20850-0003 24 COURTHOUSE SQ APT 347, ROCKVILLE, MD
20850-0004 24 COURTHOUSE SQ APT 372, ROCKVILLE, MD
20850-0005 24 COURTHOUSE SQ APT 397, ROCKVILLE, MD
20850-0006 24 COURTHOUSE SQ APT 544, ROCKVILLE, MD
20850-0007 24 COURTHOUSE SQ APT 569, ROCKVILLE, MD
20850-0008 24 COURTHOUSE SQ APT 594, ROCKVILLE, MD
20850-0009 2440 RESEARCH BLVD STE 250, ROCKVILLE, MD
20850-0010 22 JEFFERSON ST STE 450, ROCKVILLE, MD

If you can't find the 20850 plus 4 zip code you need on this page, we recommend you to use the the feature of Quick Select.

Post Office in ZIP Code 20850

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ROCKVILLE is the only post office in ZIP Code 20850. You can find the address, phone number, and interactive map below. Click to view the service and service hours about ROCKVILLE.

  • ROCKVILLE Post Office more-info

    Address 500 N WASHINGTON ST, ROCKVILLE, MD, 20850-9993

    Phone 301-762-5802

    *Lot Parking Available

How to write a U.S. envelope?

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  • First, you need to fill in the recipient's mailing information in the center of the envelope. The first line is the recipient's name, the second line is the street address with a detailed house number, and the last line is the city, state abbr, and ZIP Code.

    Second, write the sender's information on the left top corner of the envelope. If your mail cannot be delivered, it will return to the sender's address.

    Finally, don't forget to stick the stamp on the right top corner. Otherwise, the letter will not go into the delivery process.

    Here is the envelope example below.

    ZIP Code: 20850

What does each digit of ZIP Code 20850 stand for?

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  • The first digit designates a national area, which ranges from zero for the Northeast to nine for the far West.

    The 2-3 digits represent a sectional center facility in that region.

    The last two digits designate small post offices or postal zones.

    ZIP Code: 20850

Random Address in ZIP 20850

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ZIP Code 20850 has 6,946 real random addresses, you can clicking the picture below to get random addresses in ZIP Code 20850.

ZIP Code:20850

ZIP 20850 Online Map

ZIP 20850 Online Map

This is online map of the address POTOMAC, Montgomery County, Maryland. You may use button to move and zoom in / out. The map information is for reference only.

ZIP 20850 NearBy ZIP Code

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The Nearby ZIP Codes are 20847, 20848, 20849, 20857, and 20878, you can find ZIP codes in a 25km radius around ZIP Code 20850 and the approximate distance between the two ZIP codes.
The data has a slight deviation for your reference only.

ZIP CodeDistance (Kilo Meters)
208473.292
208483.292
208493.292
208573.292
208785.334
208775.655
208805.759
208515.925
208846.113
208856.113
208986.113
208996.113
208527.131
208557.368
208598.043
208538.199
208548.635
208839.481
208869.58
208799.732
208179.936
2087410.091
2091610.202
2089610.436
2090611.411
2089711.504
2087511.679
2089511.776
2081412.111
2089112.134
2089212.341
2083212.373
2081812.718
2083012.838
2206713.569
2090213.698
2206613.847
2087613.932
2081214.085
2088914.373
2089414.373
2081014.382
2081114.382
2081314.382
2082414.382
2082514.382
2082714.382
2210214.687
2081515.167
2084115.323
2086015.483
2081615.798
2088216.135
2091416.379
2091016.492
2210616.921
2051117.212
2090517.238
2210117.251
2001517.314
2090117.334
2210317.363
2210717.436
2210817.436
2210917.436
2016517.539
2019417.613
2099717.772
2090717.926
2090817.926
2091117.926
2091517.926
2091817.926
2218218.285
2086218.325
2086118.487
2019518.504
2090418.589
2001218.7
2099318.717
2083318.729
2091318.872
2019618.926
2209618.94
2001618.953
2019019.383
2086819.521
2083719.604
2090319.883
2016419.913
2091220.057
2017020.329
2000820.531
2220720.888
2204321.143
2077721.171
2078721.186
2083821.2
2078321.268
2087121.307
2001121.416
2209521.537
2221321.672
2202721.767
2000721.831
2019221.864
2218321.885
2218521.885
2218022.014
2001022.274
2083922.366
2204622.385
2005722.402
2019122.418
2218122.458
2016722.553
2016322.578
2103622.71
2087222.796
2000922.954
2086623.042
2084223.353
2220523.44
2005923.604
2078223.695
2006423.806
2059823.866
2220124.043
2001724.046
2224624.07
2003624.072
2208224.109
2211624.109
2211824.109
2211924.109
2003824.127
2220924.133
2075924.144
2223024.157
2224024.157
2224124.157
2224224.157
2224324.157
2224424.157
2224524.157
2208124.178
2074224.185
2003324.186
2221024.23
2173724.264
2222724.265
2221524.29
2003724.293
2222624.31
2102924.321
2221424.327
2005224.418
2221624.466
2220324.569
2002624.69
2002724.69
2000524.771
2018924.783
5690124.783
5692024.783
2050424.803
2221924.854
2212424.884
2052124.906
2074024.934
2000124.942
2204024.968
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Hospital in ZIP Code 20850

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ADVENTIST HEALTHCARE SHADY GROVE MEDICAL CENTER is the only hospital in ZIP Code 20850. You can find the address and phone number, and hospital type below. Click the link to find more information about ADVENTIST HEALTHCARE SHADY GROVE MEDICAL CENTER.

Museum in ZIP Code 20850

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This is the ZIP Code 20850 - Museum page list. Its detail Museum Name, Street, City, State, ZIP Code, Phone is as below.

NameStreetCityStateZIP CodePhone
KING STREET GALLERY900 HUNGERFORD DRIVE #110ROCKVILLE MD20850(301) 279-5000
SILBERMAN GALLERY900 HUNGERFORD DRIVE #110ROCKVILLE MD20850(301) 279-5000

Library in ZIP Code 20850

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This is the ZIP Code 20850 - Library page list. Its detail Library Name, Address, City, State, ZIP Code, Phone is as below.

NameAddressCityStateZIP CodePhone
MONTGOMERY COUNTY PUBLIC LIBRARIES21 MARYLAND AVE., SUITE 310ROCKVILLE MD20850(240) 777-0002
ROCKVILLE MEMORIAL BRANCH21 MARYLAND AVENUEROCKVILLE MD20850(240) 777-0140

School in ZIP Code 20850

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This is the ZIP Code 20850 - School page list. Its detail School Name, Address, City, State, ZIP Code is as below.

School NameAddressCityStateGradesZIP Code
Regional Institute For Children & Adolescents 15000 Broschart RdRockville Maryland4-1220850
College Gardens Elementary 1700 Yale PlRockville MarylandKG-520850
Fallsmead Elementary 1800 Greenplace TerRockville MarylandKG-520850
Thomas S. Wootton High 2100 Wootton PkwyRockville Maryland9-1220850
Lakewood Elementary 2534 Lindley TerraceRockville MarylandKG-520850
Rock Terrace School 390 Martins LnRockville Maryland7-1220850
Beall Elementary 451 Beall AveRockville MarylandPK-520850
Julius West Middle 651 Great Falls RdRockville Maryland6-820850
Alternative Programs 850 Hungerford Dr Cesc Rm 170Rockville Maryland6-1220850
Robert Frost Middle School 9201 Scott DrRockville Maryland6-820850
ZIP Code 5: 20850 - POTOMAC

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