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/303

ZIP codes starting with 303

ZIP codes
75
States
GA
Largest city
Atlanta, GA
Population
1,047,285

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 303xx

ZIP codes starting with 303
ZIP City Type Population Median income Median home
30301 Atlanta , GA No street area — — —
30302 Atlanta , GA No street area — — —
30303 Atlanta , GA Standard 6,797 — $269,300
30304 Atlanta , GA No street area — — —
30305 Atlanta , GA Standard 28,110 $106,907 $737,500
30306 Atlanta , GA Standard 24,236 $123,077 $799,800
30307 Atlanta , GA Standard 21,709 $140,677 $727,200
30308 Atlanta , GA Standard 23,181 $85,693 $390,200
30309 Atlanta , GA Standard 32,479 $114,072 $432,300
30310 Atlanta , GA Standard 27,186 $53,037 $340,300
30311 Atlanta , GA Standard 34,953 $50,649 $289,100
30312 Atlanta , GA Standard 26,942 $82,779 $530,600
30313 Atlanta , GA Standard 10,913 $84,960 $363,800
30314 Atlanta , GA Standard 23,333 $42,089 $251,700
30315 Atlanta , GA Standard 34,264 $50,822 $317,700
30316 Atlanta , GA Standard 35,107 $102,891 $443,400
30317 Atlanta , GA Standard 15,622 $107,955 $541,100
30318 Atlanta , GA Standard 59,609 $83,116 $430,600
30319 Atlanta , GA Standard 45,985 $130,648 $762,500
30320 Atlanta , GA No street area — — —
30321 Atlanta , GA No street area — — —
30322 Atlanta , GA Standard 2,521 — —
30324 Atlanta , GA Standard 29,073 $92,122 $502,500
30325 Atlanta , GA No street area — — —
30326 Atlanta , GA Standard 8,234 $121,984 $448,000
30327 Atlanta , GA Standard 23,673 $189,250 $1,136,500
30328 Atlanta , GA Standard 39,508 $112,111 $561,900
30329 Atlanta , GA Standard 27,278 $76,579 $488,300
30331 Atlanta , GA Standard 62,567 $62,623 $309,100
30332 Atlanta , GA Standard 2,567 — —
30333 Atlanta , GA No street area — — —
30334 Atlanta , GA Standard 0 — —
30336 Atlanta , GA Standard 514 $53,900 $325,700
30337 Atlanta , GA Standard 10,694 $51,388 $320,900
30338 Atlanta , GA Standard 39,465 $135,148 $611,300
30339 Atlanta , GA Standard 35,372 $103,277 $465,800
30340 Atlanta , GA Standard 30,062 $62,748 $344,000
30341 Atlanta , GA Standard 36,021 $86,313 $463,100
30342 Atlanta , GA Standard 33,349 $124,111 $829,400
30343 Atlanta , GA No street area — — —
30344 Atlanta , GA Standard 35,456 $68,380 $275,000
30345 Atlanta , GA Standard 24,492 $112,054 $573,800
30346 Atlanta , GA Standard 4,411 $95,000 $595,900
30348 Atlanta , GA No street area — — —
30349 Atlanta , GA Standard 79,872 $67,023 $271,600
30350 Atlanta , GA Standard 35,170 $88,118 $516,000
30353 Atlanta , GA No street area — — —
30354 Atlanta , GA Standard 16,182 $63,189 $273,700
30355 Atlanta , GA No street area — — —
30356 Atlanta , GA No street area — — —
30357 Atlanta , GA No street area — — —
30358 Atlanta , GA No street area — — —
30359 Atlanta , GA No street area — — —
30360 Atlanta , GA Standard 16,855 $97,543 $425,700
30361 Atlanta , GA No street area — — —
30362 Atlanta , GA No street area — — —
30363 Atlanta , GA Standard 3,523 $123,667 $429,900
30364 Atlanta , GA No street area — — —
30366 Atlanta , GA No street area — — —
30368 Atlanta , GA No street area — — —
30369 Atlanta , GA No street area — — —
30370 Atlanta , GA No street area — — —
30371 Atlanta , GA No street area — — —
30374 Atlanta , GA No street area — — —
30375 Atlanta , GA No street area — — —
30377 Atlanta , GA No street area — — —
30378 Atlanta , GA No street area — — —
30380 Atlanta , GA No street area — — —
30384 Atlanta , GA No street area — — —
30385 Atlanta , GA No street area — — —
30388 Atlanta , GA No street area — — —
30392 Atlanta , GA No street area — — —
30394 Atlanta , GA No street area — — —
30396 Atlanta , GA No street area — — —
30398 Atlanta , GA No street area — — —

Cite this page

zipcodes.pro. “ZIP codes starting with 303.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/303

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