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/604

ZIP codes starting with 604

ZIP codes
83
States
IL
Largest city
Berwyn, IL
Population
1,435,082

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 604xx

ZIP codes starting with 604
ZIP City Type Population Median income Median home
60401 Beecher , IL Standard 7,647 $97,569 $260,500
60402 Berwyn , IL Standard 63,721 $77,718 $294,600
60403 Crest Hill , IL Standard 18,371 $73,074 $233,200
60404 Shorewood , IL Standard 20,385 $122,171 $335,800
60406 Blue Island , IL Standard 23,327 $56,557 $175,200
60407 Braceville , IL Standard 1,812 $89,792 $191,000
60408 Braidwood , IL Standard 5,327 $95,174 $216,200
60409 Calumet City , IL Standard 35,100 $55,369 $145,200
60410 Channahon , IL Standard 14,239 $118,976 $320,800
60411 Chicago Heights , IL Standard 52,175 $62,073 $159,800
60412 Chicago Heights , IL No street area — — —
60415 Chicago Ridge , IL Standard 14,099 $68,964 $226,900
60416 Coal City , IL Standard 9,550 $75,219 $221,900
60417 Crete , IL Standard 14,901 $91,952 $243,100
60418 Crestwood , IL Standard 10,572 $75,752 $195,200
60419 Dolton , IL Standard 20,825 $57,887 $151,300
60420 Dwight , IL Standard 4,682 $71,157 $167,100
60421 Elwood , IL Standard 3,649 $103,083 $272,100
60422 Flossmoor , IL Standard 9,542 $134,477 $343,600
60423 Frankfort , IL Standard 32,836 $136,730 $398,200
60424 Gardner , IL Standard 2,153 $83,250 $197,400
60425 Glenwood , IL Standard 8,714 $77,174 $197,000
60426 Harvey , IL Standard 23,906 $42,196 $91,000
60428 Markham , IL Standard 10,927 $60,000 $136,000
60429 Hazel Crest , IL Standard 14,864 $66,988 $183,600
60430 Homewood , IL Standard 19,838 $96,629 $221,100
60431 Joliet , IL Standard 27,138 $122,870 $294,300
60432 Joliet , IL Standard 20,465 $64,917 $193,700
60433 Joliet , IL Standard 16,382 $66,515 $172,300
60434 Joliet , IL No street area — — —
60435 Joliet , IL Standard 48,167 $76,369 $235,500
60436 Joliet , IL Standard 19,423 $62,961 $180,800
60437 Kinsman , IL Standard 117 $58,750 $129,200
60438 Lansing , IL Standard 28,806 $75,681 $177,700
60439 Lemont , IL Standard 24,192 $121,724 $480,800
60440 Bolingbrook , IL Standard 51,940 $93,494 $277,000
60441 Lockport , IL Standard 36,844 $103,374 $297,300
60442 Manhattan , IL Standard 13,753 $127,986 $355,900
60443 Matteson , IL Standard 20,663 $92,136 $233,800
60444 Mazon , IL Standard 1,901 $87,614 $219,000
60445 Midlothian , IL Standard 14,268 $70,634 $208,000
60446 Romeoville , IL Standard 41,672 $106,258 $256,400
60447 Minooka , IL Standard 16,102 $108,210 $322,700
60448 Mokena , IL Standard 24,405 $120,761 $385,900
60449 Monee , IL Standard 9,477 $104,904 $300,000
60450 Morris , IL Standard 20,783 $81,777 $275,500
60451 New Lenox , IL Standard 37,361 $137,404 $393,100
60452 Oak Forest , IL Standard 26,739 $93,076 $256,000
60453 Oak Lawn , IL Standard 56,861 $83,911 $281,200
60454 Oak Lawn , IL No street area — — —
60455 Bridgeview , IL Standard 16,872 $66,745 $236,600
60456 Hometown , IL Standard 4,215 $61,101 $173,400
60457 Hickory Hills , IL Standard 14,503 $76,786 $287,800
60458 Justice , IL Standard 14,200 $60,758 $225,000
60459 Burbank , IL Standard 28,739 $80,116 $275,700
60460 Odell , IL Standard 1,399 $91,154 $156,100
60461 Olympia Fields , IL Standard 4,761 $124,417 $328,000
60462 Orland Park , IL Standard 41,456 $96,526 $348,900
60463 Palos Heights , IL Standard 13,722 $107,977 $362,600
60464 Palos Park , IL Standard 9,773 $126,087 $460,000
60465 Palos Hills , IL Standard 18,081 $83,533 $279,200
60466 Park Forest , IL Standard 21,461 $61,654 $115,200
60467 Orland Park , IL Standard 24,398 $114,812 $411,700
60468 Peotone , IL Standard 5,809 $104,625 $294,000
60469 Posen , IL Standard 5,205 $73,676 $173,900
60470 Ransom , IL Standard 358 $85,000 $131,300
60471 Richton Park , IL Standard 12,848 $64,494 $222,000
60472 Robbins , IL Standard 4,563 $40,668 $121,300
60473 South Holland , IL Standard 21,225 $85,659 $216,500
60474 South Wilmington , IL Standard 663 $85,500 $177,500
60475 Steger , IL Standard 10,035 $67,487 $159,000
60476 Thornton , IL Standard 1,940 $59,647 $155,100
60477 Tinley Park , IL Standard 35,976 $94,927 $274,800
60478 Country Club Hills , IL Standard 16,390 $74,826 $192,400
60479 Verona , IL Standard 671 $105,000 $223,600
60480 Willow Springs , IL Standard 5,388 $98,917 $363,800
60481 Wilmington , IL Standard 11,195 $79,042 $232,600
60482 Worth , IL Standard 10,897 $55,709 $208,900
60484 University Park , IL Standard 6,762 $73,266 $154,600
60487 Tinley Park , IL Standard 26,043 $131,793 $351,300
60490 Bolingbrook , IL Standard 22,156 $150,531 $395,000
60491 Homer Glen , IL Standard 22,757 $138,571 $424,700
60499 Bedford Park , IL No street area — — —

Cite this page

zipcodes.pro. “ZIP codes starting with 604.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/604

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