List of 88 Zip Codes in Washington County, Maryland

On this page, we'll list out the 88 Washington County, Maryland ZIP codes we have, including the land area and county name of each code.

Maryland is the 42nd largest state by total land area, with a land area of 12,406 square miles (32,131 square kilometers) and has a total population of 6,037,624 people as of the most recent U.S. Census survey.

Washington County makes up approximately 28.49% of the total land area for Maryland and we have 88 zip codes for the county in our database, which you can see details of below, with land area information for each zip code.

ZIP Code Land Area (Sq. Meters) Land Area (Sq. Miles) Land Area (Sq. Kilometers)
21711 61,780,600 24 62
21711 61,780,600 24 62
21711 61,780,600 24 62
21711 61,780,600 24 62
21713 109,393,000 42 109
21713 109,393,000 42 109
21713 109,393,000 42 109
21713 109,393,000 42 109
21713 109,393,000 42 109
21713 109,393,000 42 109
21713 109,393,000 42 109
21713 109,393,000 42 109
21713 109,393,000 42 109
21713 109,393,000 42 109
21719 8,705,490 3 9
21719 8,705,490 3 9
21722 153,722,000 59 154
21722 153,722,000 59 154
21722 153,722,000 59 154
21722 153,722,000 59 154
21722 153,722,000 59 154
21722 153,722,000 59 154
21733 15,657,100 6 16
21733 15,657,100 6 16
21733 15,657,100 6 16
21734 585,226 0 1
21740 180,897,000 70 181
21740 180,897,000 70 181
21740 180,897,000 70 181
21740 180,897,000 70 181
21740 180,897,000 70 181
21740 180,897,000 70 181
21740 180,897,000 70 181
21740 180,897,000 70 181
21740 180,897,000 70 181
21740 180,897,000 70 181
21740 180,897,000 70 181
21740 180,897,000 70 181
21740 180,897,000 70 181
21742 130,689,000 50 131
21742 130,689,000 50 131
21742 130,689,000 50 131
21742 130,689,000 50 131
21742 130,689,000 50 131
21742 130,689,000 50 131
21742 130,689,000 50 131
21742 130,689,000 50 131
21742 130,689,000 50 131
21742 130,689,000 50 131
21742 130,689,000 50 131
21750 156,366,000 60 156
21756 54,112,500 21 54
21756 54,112,500 21 54
21756 54,112,500 21 54
21756 54,112,500 21 54
21756 54,112,500 21 54
21758 83,996,300 32 84
21758 83,996,300 32 84
21758 83,996,300 32 84
21758 83,996,300 32 84
21758 83,996,300 32 84
21758 83,996,300 32 84
21767 737,107 0 1
21769 105,626,000 41 106
21769 105,626,000 41 106
21779 23,202,500 9 23
21779 23,202,500 9 23
21780 58,239,500 22 58
21781 656,097 0 1
21782 77,664,700 30 78
21782 77,664,700 30 78
21782 77,664,700 30 78
21782 77,664,700 30 78
21782 77,664,700 30 78
21783 116,295,000 45 116
21783 116,295,000 45 116
21783 116,295,000 45 116
21783 116,295,000 45 116
21783 116,295,000 45 116
21783 116,295,000 45 116
21783 116,295,000 45 116
21783 116,295,000 45 116
21795 78,228,900 30 78
21795 78,228,900 30 78
21795 78,228,900 30 78
21795 78,228,900 30 78
21795 78,228,900 30 78
21795 78,228,900 30 78

More Counties in Maryland

If you want to search and find zip codes for different counties in Maryland, the list below contains links to each of the 25 Maryland counties we have data for.

Data Source(s)

All of the zip code data on this page is sourced from the United States Census Bureau geography reference files.

Link To or Reference This Page

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If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference Name Census as the source. We appreciate your support!

  • "List of 88 Zip Codes in Washington County, Maryland". NameCensus.com. Accessed on April 26, 2024. https://namecensus.com/zip-codes/maryland/washington-county/.

  • "List of 88 Zip Codes in Washington County, Maryland". NameCensus.com, https://namecensus.com/zip-codes/maryland/washington-county/. Accessed 26 April, 2024

  • List of 88 Zip Codes in Washington County, Maryland. NameCensus.com. Retrieved from https://namecensus.com/zip-codes/maryland/washington-county/.