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/688

ZIP codes starting with 688

ZIP codes
66
States
NE
Largest city
Grand Island, NE
Population
171,550

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 688xx

ZIP codes starting with 688
ZIP City Type Population Median income Median home
68801 Grand Island , NE Standard 30,824 $63,617 $203,500
68802 Grand Island , NE No street area — — —
68803 Grand Island , NE Standard 25,534 $73,463 $244,200
68810 Alda , NE Standard 862 $64,107 $129,500
68812 Amherst , NE Standard 642 $69,808 $229,400
68813 Anselmo , NE Standard 518 $73,160 $262,800
68814 Ansley , NE Standard 984 $73,295 $156,400
68815 Arcadia , NE Standard 652 $69,808 $161,600
68816 Archer , NE Standard 137 $61,685 $171,200
68817 Ashton , NE Standard 340 $74,375 $138,400
68818 Aurora , NE Standard 5,680 $81,045 $263,900
68820 Boelus , NE Standard 343 $82,212 $114,200
68821 Brewster , NE Standard 89 — $183,600
68822 Broken Bow , NE Standard 4,335 $67,500 $154,600
68823 Burwell , NE Standard 1,936 $61,974 $174,100
68824 Cairo , NE Standard 1,562 $77,989 $219,900
68825 Callaway , NE Standard 995 $64,432 $175,900
68826 Central City , NE Standard 3,944 $74,583 $172,100
68827 Chapman , NE Standard 761 $89,063 $430,400
68828 Comstock , NE Standard 204 $61,667 $88,100
68831 Dannebrog , NE Standard 705 $68,977 $201,900
68832 Doniphan , NE Standard 2,126 $96,641 $250,000
68833 Dunning , NE Standard 148 $62,813 $104,200
68834 Eddyville , NE Standard 227 $78,750 $153,000
68835 Elba , NE Standard 459 $52,292 $139,400
68836 Elm Creek , NE Standard 1,908 $86,806 $224,800
68837 Elyria , NE Standard 109 $80,833 —
68838 Farwell , NE Standard 150 $103,750 $156,300
68840 Gibbon , NE Standard 2,624 $76,394 $208,100
68841 Giltner , NE Standard 649 $76,875 $221,900
68842 Greeley , NE Standard 538 $57,875 $104,200
68843 Hampton , NE Standard 1,032 $92,778 $250,000
68844 Hazard , NE Standard 328 $67,303 $318,400
68845 Kearney , NE Standard 20,536 $76,978 $282,000
68846 Hordville , NE Standard 283 $68,333 $95,800
68847 Kearney , NE Standard 18,354 $73,818 $238,400
68848 Kearney , NE No street area — — —
68849 Kearney , NE Standard 1,385 — —
68850 Lexington , NE Standard 12,428 $69,238 $161,400
68852 Litchfield , NE Standard 572 $76,250 $157,900
68853 Loup City , NE Standard 1,333 $54,674 $135,000
68854 Marquette , NE Standard 708 $91,875 $305,000
68855 Mason City , NE Standard 400 $78,750 $235,000
68856 Merna , NE Standard 715 $73,000 $190,000
68858 Miller , NE Standard 328 $82,083 $190,600
68859 North Loup , NE Standard 357 $50,000 $101,700
68860 Oconto , NE Standard 301 $95,750 $72,500
68861 Odessa , NE Standard 138 $39,792 $139,600
68862 Ord , NE Standard 2,977 $60,321 $163,100
68863 Overton , NE Standard 1,410 $100,929 $137,000
68864 Palmer , NE Standard 958 $83,365 $184,200
68865 Phillips , NE Standard 941 $109,554 $297,000
68866 Pleasanton , NE Standard 1,168 $94,792 $262,300
68869 Ravenna , NE Standard 2,165 $65,208 $169,400
68870 Riverdale , NE Standard 506 $87,159 $222,200
68871 Rockville , NE Standard 268 $53,125 $68,500
68872 Saint Libory , NE Standard 992 $84,500 $208,200
68873 Saint Paul , NE Standard 3,785 $75,000 $214,800
68874 Sargent , NE Standard 821 $60,139 $88,300
68875 Scotia , NE Standard 716 $61,818 $158,300
68876 Shelton , NE Standard 1,910 $82,207 $163,800
68878 Sumner , NE Standard 463 $91,786 $99,000
68879 Taylor , NE Standard 377 $80,893 $125,000
68881 Westerville , NE Standard 26 — —
68882 Wolbach , NE Standard 401 $67,778 $78,100
68883 Wood River , NE Standard 2,483 $90,966 $206,000

Cite this page

zipcodes.pro. “ZIP codes starting with 688.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/688

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