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/211

ZIP codes starting with 211

ZIP codes
34
States
MD
Largest city
Owings Mills, MD
Population
493,133

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 211xx

ZIP codes starting with 211
ZIP City Type Population Median income Median home
21102 Manchester , MD Standard 12,162 $135,069 $392,800
21104 Marriottsville , MD Standard 6,052 $191,804 $680,200
21105 Maryland Line , MD Standard 36 — —
21106 Mayo , MD No street area — — —
21108 Millersville , MD Standard 18,643 $151,324 $555,000
21111 Monkton , MD Standard 4,714 $136,304 $607,200
21113 Odenton , MD Standard 36,705 $125,639 $432,000
21114 Crofton , MD Standard 25,590 $141,344 $490,400
21117 Owings Mills , MD Standard 62,816 $101,831 $387,400
21120 Parkton , MD Standard 7,440 $162,052 $580,900
21122 Pasadena , MD Standard 61,566 $127,587 $425,800
21123 Pasadena , MD No street area — — —
21128 Perry Hall , MD Standard 15,501 $128,069 $449,500
21130 Perryman , MD Standard 112 $17,336 —
21131 Phoenix , MD Standard 7,141 $197,619 $686,000
21132 Pylesville , MD Standard 3,160 $132,288 $485,600
21133 Randallstown , MD Standard 31,398 $80,480 $322,800
21136 Reisterstown , MD Standard 32,088 $118,500 $422,100
21139 Riderwood , MD No street area — — —
21140 Riva , MD Standard 4,417 $170,156 $634,700
21144 Severn , MD Standard 37,118 $136,684 $483,700
21146 Severna Park , MD Standard 28,591 $172,122 $659,800
21150 Simpsonville , MD No street area — — —
21152 Sparks Glencoe , MD Standard 6,459 $121,350 $495,700
21153 Stevenson , MD Standard 456 $220,179 $902,300
21154 Street , MD Standard 6,544 $97,658 $455,400
21155 Upperco , MD Standard 3,313 $123,158 $479,500
21156 Upper Falls , MD Standard 204 — $793,800
21157 Westminster , MD Standard 38,984 $104,966 $424,100
21158 Westminster , MD Standard 22,083 $109,827 $384,700
21160 Whiteford , MD Standard 2,441 $106,181 $391,300
21161 White Hall , MD Standard 5,221 $108,094 $472,600
21162 White Marsh , MD Standard 4,639 $157,813 $451,600
21163 Woodstock , MD Standard 7,539 $134,672 $602,800

Cite this page

zipcodes.pro. “ZIP codes starting with 211.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/211

Underlying data is public domain or openly licensed — sources, vintages and licences.