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/219

ZIP codes starting with 219

ZIP codes
17
States
MD
Largest city
Elkton, MD
Population
104,960

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 219xx

ZIP codes starting with 219
ZIP City Type Population Median income Median home
21901 North East , MD Standard 19,514 $113,719 $367,400
21902 Perry Point , MD Standard 340 — —
21903 Perryville , MD Standard 5,692 $78,962 $299,300
21904 Port Deposit , MD Standard 6,233 $88,136 $333,500
21911 Rising Sun , MD Standard 10,551 $104,673 $359,000
21912 Warwick , MD Standard 1,536 $69,868 $391,700
21913 Cecilton , MD Standard 820 $87,813 $241,800
21914 Charlestown , MD Standard 810 $66,806 $288,500
21915 Chesapeake City , MD Standard 2,471 $95,875 $376,500
21916 Childs , MD No street area — — —
21917 Colora , MD Standard 2,233 $96,750 $409,400
21918 Conowingo , MD Standard 4,169 $84,587 $324,800
21919 Earleville , MD Standard 3,626 $106,500 $373,200
21920 Elk Mills , MD Standard 1,413 $124,146 $356,000
21921 Elkton , MD Standard 45,527 $85,775 $330,400
21922 Elkton , MD No street area — — —
21930 Georgetown , MD Standard 25 — —

Cite this page

zipcodes.pro. “ZIP codes starting with 219.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/219

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