Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — PREFIX/217

ZIP codes starting with 217

ZIP codes
66
States
MD
Largest city
Hagerstown, MD
Population
538,321

The first three digits of a ZIP code identify a sectional center facility — the postal processing plant that sorts mail for the area. It is a mail-routing grouping, not an administrative boundary.

Every ZIP code in 217xx

ZIP codes starting with 217
ZIP City Type Population Median income Median home
21701 Frederick , MD Standard 43,048 $106,577 $435,000
21702 Frederick , MD Standard 49,605 $106,983 $426,300
21703 Frederick , MD Standard 41,960 $106,334 $384,600
21704 Frederick , MD Standard 20,006 $161,063 $612,000
21705 Frederick , MD Standard 6 — —
21709 Frederick , MD No street area — — —
21710 Adamstown , MD Standard 4,661 $163,864 $591,100
21711 Big Pool , MD Standard 929 $91,250 $310,600
21713 Boonsboro , MD Standard 9,846 $96,199 $369,200
21714 Braddock Heights , MD Standard 95 $161,806 $415,600
21715 Brownsville , MD Standard 20 — —
21716 Brunswick , MD Standard 7,200 $109,382 $361,300
21717 Buckeystown , MD Standard 245 $158,413 $430,600
21718 Burkittsville , MD Standard 134 $93,500 $576,400
21719 Cascade , MD Standard 1,178 $65,809 $214,100
21720 Cavetown , MD No street area — — —
21721 Chewsville , MD No street area — — —
21722 Clear Spring , MD Standard 6,721 $88,232 $312,500
21723 Cooksville , MD Standard 669 $241,250 $1,005,500
21727 Emmitsburg , MD Standard 6,052 $95,236 $331,100
21733 Fairplay , MD Standard 1,275 $109,896 $291,800
21734 Funkstown , MD Standard 1,076 $61,392 $277,800
21737 Glenelg , MD Standard 2,474 $250,000+ $996,400
21738 Glenwood , MD Standard 3,696 $250,000+ $914,300
21740 Hagerstown , MD Standard 64,792 $62,873 $262,300
21741 Hagerstown , MD No street area — — —
21742 Hagerstown , MD Standard 34,069 $86,288 $304,800
21746 Hagerstown , MD Standard 2,361 — —
21747 Hagerstown , MD No street area — — —
21749 Hagerstown , MD No street area — — —
21750 Hancock , MD Standard 3,417 $60,625 $232,500
21754 Ijamsville , MD Standard 8,156 $182,188 $647,300
21755 Jefferson , MD Standard 5,909 $137,417 $529,600
21756 Keedysville , MD Standard 3,640 $101,786 $413,200
21757 Keymar , MD Standard 2,671 $100,500 $466,100
21758 Knoxville , MD Standard 4,409 $111,528 $424,600
21759 Ladiesburg , MD No street area — — —
21762 Libertytown , MD Standard 139 — —
21765 Lisbon , MD No street area — — —
21766 Little Orleans , MD Standard 854 $62,054 $221,100
21767 Maugansville , MD Standard 1,031 $57,940 $258,700
21769 Middletown , MD Standard 11,965 $151,563 $507,000
21770 Monrovia , MD Standard 8,751 $183,571 $632,500
21771 Mount Airy , MD Standard 33,031 $157,302 $556,200
21773 Myersville , MD Standard 5,826 $161,908 $544,400
21774 New Market , MD Standard 17,134 $171,103 $541,000
21775 New Midway , MD No street area — — —
21776 New Windsor , MD Standard 6,261 $133,409 $461,600
21777 Point Of Rocks , MD Standard 2,462 $159,708 $480,500
21778 Rocky Ridge , MD Standard 745 $76,458 $382,100
21779 Rohrersville , MD Standard 1,311 — $608,800
21780 Sabillasville , MD Standard 2,159 $83,785 $451,600
21781 Saint James , MD Standard 25 — —
21782 Sharpsburg , MD Standard 3,704 $94,130 $311,600
21783 Smithsburg , MD Standard 9,910 $100,750 $339,800
21784 Sykesville , MD Standard 39,258 $139,395 $491,800
21787 Taneytown , MD Standard 11,645 $91,682 $355,000
21788 Thurmont , MD Standard 11,654 $98,856 $379,200
21790 Tuscarora , MD Standard 170 $77,656 —
21791 Union Bridge , MD Standard 5,340 $93,015 $379,800
21792 Unionville , MD No street area — — —
21793 Walkersville , MD Standard 10,719 $121,971 $459,400
21794 West Friendship , MD Standard 2,192 $231,466 $999,400
21795 Williamsport , MD Standard 10,144 $87,864 $295,800
21797 Woodbine , MD Standard 8,643 $189,241 $735,600
21798 Woodsboro , MD Standard 2,928 $116,607 $498,400

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zipcodes.pro. “ZIP codes starting with 217.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/217

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