It is located about 24 miles west of MD's capital city of Annapolis. Always when you mail a package or a letter, be attentive to mention the preferred or acceptable cities. mi. Not Acceptable, USPS. List of Zipcodes in Brentwood, Maryland; ZIP Code: ZIP Code Name: Population: Type ZIP Code 20722: Basic Data & USPS Preferred City Name. 20722 Zip Code is spread between the coordinates of +38.886849 Latitude and -076.865764 Longitude. Its detail City, State, Plus 4, Population is as below. July is the most humid month, though humidity is low for most of the year. 3600 Varnum St , Brentwood, MD 20722-1348 is currently not for sale. Browse real estate in 20722, MD. North Brentwood, MD 20722. Zip code 20722 statistics: (Find on map) Estimated zip code population in 2016: 6,002 Zip code population in 2010: 5,711 Zip code population in 2000: 5,400 Mar. The 2,350 sq. Toggle navigation. How long can my vehicle be parked on the street without moving? 20722 is an upscale suburban zip code in Brentwood, Maryland. Estimated zip code population in 2017: 6,026. /* Zipcodes LU 468x15 */ ... 4300 39th Place Brentwood, MD 20722 Phone: 301-927-3344 Fax: 301-927-0681 FAQs. The fastest zip code in North Brentwood for November 2020 is 20722. Find MoreCities in Maryland that start with B, Post Office Suburb:BRENTWOOD, MD, 20722-9998,