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/040

ZIP codes starting with 040

ZIP codes
77
States
ME
Largest city
Biddeford, ME
Population
372,395

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 040xx

ZIP codes starting with 040
ZIP City Type Population Median income Median home
04001 Acton , ME Standard 2,721 $78,750 $334,300
04002 Alfred , ME Standard 7,737 $84,537 $352,100
04003 Bailey Island , ME Standard 183 $96,250 $1,386,400
04004 Bar Mills , ME No street area — — —
04005 Biddeford , ME Standard 24,772 $74,647 $396,000
04006 Biddeford Pool , ME Standard 39 — —
04007 Biddeford , ME No street area — — —
04008 Bowdoinham , ME Standard 3,142 $108,479 $405,500
04009 Bridgton , ME Standard 5,478 $78,021 $317,100
04010 Brownfield , ME Standard 1,830 $60,889 $287,500
04011 Brunswick , ME Standard 22,336 $74,952 $376,300
04013 Bustins Island , ME No street area — — —
04014 Cape Porpoise , ME No street area — — —
04015 Casco , ME Standard 3,696 $69,313 $355,500
04016 Center Lovell , ME No street area — — —
04017 Chebeague Island , ME Standard 555 $67,639 $651,400
04019 Cliff Island , ME Standard 93 $89,712 $802,100
04020 Cornish , ME Standard 1,803 $69,038 $274,200
04021 Cumberland Center , ME Standard 6,990 $172,468 $579,000
04022 Denmark , ME Standard 1,054 $64,167 $250,000
04024 East Baldwin , ME Standard 356 $52,917 $237,500
04027 Lebanon , ME Standard 6,629 $97,750 $324,800
04028 East Parsonsfield , ME No street area — — —
04029 Sebago , ME Standard 2,086 $77,813 $300,000
04030 East Waterboro , ME Standard 2,731 $72,548 $348,400
04032 Freeport , ME Standard 8,802 $107,326 $508,400
04033 Freeport , ME No street area — — —
04034 Freeport , ME No street area — — —
04037 Fryeburg , ME Standard 4,024 $54,414 $278,200
04038 Gorham , ME Standard 18,300 $112,312 $460,900
04039 Gray , ME Standard 8,102 $95,125 $357,500
04040 Harrison , ME Standard 3,050 $57,218 $256,300
04041 Hiram , ME Standard 1,748 $62,813 $256,600
04042 Hollis Center , ME Standard 4,872 $95,950 $338,900
04043 Kennebunk , ME Standard 11,820 $107,804 $487,700
04046 Kennebunkport , ME Standard 8,102 $102,529 $586,100
04047 Parsonsfield , ME Standard 1,715 $72,045 $272,100
04048 Limerick , ME Standard 3,400 $101,172 $269,400
04049 Limington , ME Standard 4,017 $84,675 $295,600
04050 Long Island , ME Standard 249 $91,250 $551,100
04051 Lovell , ME Standard 1,353 $80,625 $295,000
04054 Moody , ME No street area — — —
04055 Naples , ME Standard 3,985 $78,188 $340,100
04056 Newfield , ME Standard 100 $57,083 $309,300
04057 North Bridgton , ME Standard 164 — —
04061 North Waterboro , ME Standard 3,074 $94,023 $274,300
04062 Windham , ME Standard 19,188 $107,934 $388,900
04063 Ocean Park , ME Standard 612 $61,667 $465,700
04064 Old Orchard Beach , ME Standard 8,632 $59,887 $361,700
04066 Orrs Island , ME Standard 837 $115,547 $474,100
04068 Porter , ME Standard 1,746 $60,417 $226,100
04069 Pownal , ME Standard 1,696 $104,333 $436,800
04070 Scarborough , ME No street area — — —
04071 Raymond , ME Standard 4,971 $88,722 $414,400
04072 Saco , ME Standard 20,819 $92,241 $413,100
04073 Sanford , ME Standard 17,414 $72,917 $282,900
04074 Scarborough , ME Standard 23,076 $135,018 $556,800
04076 Shapleigh , ME Standard 2,976 $88,140 $356,000
04077 South Casco , ME No street area — — —
04078 South Freeport , ME No street area — — —
04079 Harpswell , ME Standard 4,026 $91,969 $612,400
04082 South Windham , ME No street area — — —
04083 Springvale , ME Standard 4,833 $72,207 $272,000
04084 Standish , ME Standard 7,900 $109,345 $351,200
04085 Steep Falls , ME Standard 2,762 $92,246 $288,600
04086 Topsham , ME Standard 9,706 $91,028 $360,800
04087 Waterboro , ME Standard 2,250 $98,105 $247,300
04088 Waterford , ME Standard 1,269 $63,750 $276,800
04090 Wells , ME Standard 11,713 $88,024 $485,300
04091 West Baldwin , ME Standard 801 $78,750 $304,200
04092 Westbrook , ME Standard 20,775 $85,038 $383,300
04093 Buxton , ME Standard 8,512 $100,144 $356,800
04094 West Kennebunk , ME No street area — — —
04095 West Newfield , ME Standard 1,480 $57,206 $319,000
04096 Yarmouth , ME Standard 9,053 $110,216 $639,700
04097 North Yarmouth , ME Standard 4,240 $129,267 $496,500
04098 Westbrook , ME No street area — — —

Cite this page

zipcodes.pro. “ZIP codes starting with 040.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/040

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