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/014

ZIP codes starting with 014

ZIP codes
26
States
MA
Largest city
Leominster, MA
Population
224,801

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 014xx

ZIP codes starting with 014
ZIP City Type Population Median income Median home
01420 Fitchburg , MA Standard 41,839 $72,780 $335,300
01430 Ashburnham , MA Standard 6,481 $118,683 $391,700
01431 Ashby , MA Standard 3,211 $115,598 $390,500
01432 Ayer , MA Standard 8,521 $101,966 $463,800
01434 Devens , MA Standard 1,564 $162,143 $577,700
01436 Baldwinville , MA Standard 3,720 $77,721 $342,700
01438 East Templeton , MA Standard 330 — $261,300
01440 Gardner , MA Standard 21,276 $67,440 $303,500
01441 Westminster , MA No street area — — —
01450 Groton , MA Standard 11,356 $193,292 $743,400
01451 Harvard , MA Standard 5,487 $214,792 $856,200
01452 Hubbardston , MA Standard 4,371 $123,500 $371,600
01453 Leominster , MA Standard 43,851 $84,296 $381,300
01460 Littleton , MA Standard 10,280 $149,722 $658,300
01462 Lunenburg , MA Standard 11,919 $112,992 $463,800
01463 Pepperell , MA Standard 11,697 $123,911 $482,100
01464 Shirley , MA Standard 6,976 $122,365 $427,600
01467 Still River , MA No street area — — —
01468 Templeton , MA Standard 4,183 $113,427 $384,500
01469 Townsend , MA Standard 6,820 $103,801 $425,800
01470 Groton , MA No street area — — —
01471 Groton , MA No street area — — —
01472 West Groton , MA No street area — — —
01473 Westminster , MA Standard 8,374 $106,331 $422,000
01474 West Townsend , MA Standard 2,280 $136,371 $460,200
01475 Winchendon , MA Standard 10,265 $76,552 $323,800

Cite this page

zipcodes.pro. “ZIP codes starting with 014.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/014

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