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/919

ZIP codes starting with 919

ZIP codes
38
States
CA
Largest city
Chula Vista, CA
Population
589,384

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 919xx

ZIP codes starting with 919
ZIP City Type Population Median income Median home
91901 Alpine , CA Standard 18,197 $114,167 $852,000
91902 Bonita , CA Standard 17,698 $122,524 $984,900
91903 Alpine , CA No street area — — —
91905 Boulevard , CA Standard 1,683 $77,886 $394,400
91906 Campo , CA Standard 3,325 $62,500 $327,600
91908 Bonita , CA No street area — — —
91909 Chula Vista , CA No street area — — —
91910 Chula Vista , CA Standard 77,123 $90,222 $741,200
91911 Chula Vista , CA Standard 85,542 $82,350 $636,100
91912 Chula Vista , CA No street area — — —
91913 Chula Vista , CA Standard 57,721 $129,337 $812,200
91914 Chula Vista , CA Standard 16,877 $190,786 $1,049,600
91915 Chula Vista , CA Standard 35,322 $139,503 $781,500
91916 Descanso , CA Standard 1,710 $103,438 $676,800
91917 Dulzura , CA Standard 749 — $564,500
91921 Chula Vista , CA No street area — — —
91931 Guatay , CA Standard 494 $63,750 —
91932 Imperial Beach , CA Standard 25,741 $85,833 $856,900
91933 Imperial Beach , CA No street area — — —
91934 Jacumba , CA Standard 1,200 $50,469 $360,900
91935 Jamul , CA Standard 9,114 $151,538 $902,400
91941 La Mesa , CA Standard 33,218 $115,381 $928,700
91942 La Mesa , CA Standard 41,424 $92,896 $775,700
91943 La Mesa , CA No street area — — —
91944 La Mesa , CA No street area — — —
91945 Lemon Grove , CA Standard 27,745 $88,016 $704,900
91946 Lemon Grove , CA No street area — — —
91948 Mount Laguna , CA Standard 93 $55,066 —
91950 National City , CA Standard 59,891 $66,426 $612,200
91951 National City , CA No street area — — —
91962 Pine Valley , CA Standard 2,574 $143,094 $528,100
91963 Potrero , CA Standard 689 — —
91976 Spring Valley , CA No street area — — —
91977 Spring Valley , CA Standard 61,064 $99,657 $665,600
91978 Spring Valley , CA Standard 10,014 $113,170 $637,200
91979 Spring Valley , CA No street area — — —
91980 Tecate , CA Standard 176 — —
91987 Tecate , CA No street area — — —

Cite this page

zipcodes.pro. “ZIP codes starting with 919.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/919

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