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/018

ZIP codes starting with 018

ZIP codes
47
States
MA
Largest city
Methuen, MA
Population
785,445

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 018xx

ZIP codes starting with 018
ZIP City Type Population Median income Median home
01801 Woburn , MA Standard 41,939 $111,185 $673,500
01803 Burlington , MA Standard 26,274 $146,436 $740,600
01805 Burlington , MA No street area — — —
01810 Andover , MA Standard 35,648 $172,606 $855,600
01812 Andover , MA No street area — — —
01813 Woburn , MA No street area — — —
01815 Woburn , MA No street area — — —
01821 Billerica , MA Standard 30,143 $149,042 $615,100
01822 Billerica , MA No street area — — —
01824 Chelmsford , MA Standard 26,650 $140,050 $619,700
01825 North Reading , MA No street area — — —
01826 Dracut , MA Standard 32,629 $114,196 $473,800
01827 Dunstable , MA Standard 3,408 $208,512 $674,000
01830 Haverhill , MA Standard 26,530 $78,571 $467,000
01831 Haverhill , MA No street area — — —
01832 Haverhill , MA Standard 26,386 $83,041 $429,000
01833 Georgetown , MA Standard 8,432 $153,750 $653,500
01834 Groveland , MA Standard 6,777 $141,487 $610,900
01835 Haverhill , MA Standard 14,782 $113,578 $468,800
01840 Lawrence , MA Standard 8,522 $42,211 —
01841 Lawrence , MA Standard 52,769 $56,971 $403,400
01842 Lawrence , MA No street area — — —
01843 Lawrence , MA Standard 27,445 $67,585 $429,100
01844 Methuen , MA Standard 53,420 $113,212 $499,800
01845 North Andover , MA Standard 32,494 $140,670 $732,900
01850 Lowell , MA Standard 17,740 $69,780 $390,800
01851 Lowell , MA Standard 33,403 $92,401 $467,000
01852 Lowell , MA Standard 37,144 $80,906 $424,300
01853 Lowell , MA No street area — — —
01854 Lowell , MA Standard 30,081 $72,709 $412,000
01860 Merrimac , MA Standard 6,748 $123,054 $553,400
01862 North Billerica , MA Standard 12,129 $138,571 $586,200
01863 North Chelmsford , MA Standard 9,796 $144,875 $491,600
01864 North Reading , MA Standard 15,765 $147,768 $710,500
01865 Nutting Lake , MA No street area — — —
01866 Pinehurst , MA No street area — — —
01867 Reading , MA Standard 25,612 $165,912 $809,000
01876 Tewksbury , MA Standard 31,004 $130,204 $577,000
01879 Tyngsboro , MA Standard 12,550 $129,348 $552,500
01880 Wakefield , MA Standard 27,793 $134,306 $723,500
01885 West Boxford , MA No street area — — —
01886 Westford , MA Standard 24,690 $187,198 $748,500
01887 Wilmington , MA Standard 23,336 $168,152 $680,500
01888 Woburn , MA No street area — — —
01889 North Reading , MA No street area — — —
01890 Winchester , MA Standard 23,406 $230,198 $1,215,200
01899 Andover , MA No street area — — —

Cite this page

zipcodes.pro. “ZIP codes starting with 018.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/018

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