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/030

ZIP codes starting with 030

ZIP codes
38
States
NH
Largest city
Derry, NH
Population
406,839

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 030xx

ZIP codes starting with 030
ZIP City Type Population Median income Median home
03031 Amherst , NH Standard 11,849 $153,125 $537,300
03032 Auburn , NH Standard 6,119 $153,253 $600,300
03033 Brookline , NH Standard 5,736 $171,046 $544,400
03034 Candia , NH Standard 4,352 $131,350 $412,700
03036 Chester , NH Standard 5,300 $142,212 $552,300
03037 Deerfield , NH Standard 4,714 $130,371 $424,000
03038 Derry , NH Standard 34,474 $108,322 $430,500
03040 East Candia , NH No street area — — —
03041 East Derry , NH No street area — — —
03042 Epping , NH Standard 7,430 $104,220 $436,900
03043 Francestown , NH Standard 1,398 $104,063 $408,200
03044 Fremont , NH Standard 4,831 $120,781 $416,900
03045 Goffstown , NH Standard 14,080 $119,205 $384,600
03046 Dunbarton , NH Standard 3,097 $124,348 $484,100
03047 Greenfield , NH Standard 1,730 $103,603 $350,300
03048 Greenville , NH Standard 3,237 $90,451 $257,300
03049 Hollis , NH Standard 8,603 $168,883 $675,900
03051 Hudson , NH Standard 25,557 $124,213 $438,900
03052 Litchfield , NH Standard 8,499 $162,036 $485,000
03053 Londonderry , NH Standard 26,327 $134,038 $507,600
03054 Merrimack , NH Standard 28,176 $127,303 $458,700
03055 Milford , NH Standard 16,337 $97,768 $398,800
03057 Mont Vernon , NH Standard 2,709 $156,250 $518,400
03060 Nashua , NH Standard 31,657 $79,855 $362,600
03061 Nashua , NH No street area — — —
03062 Nashua , NH Standard 29,441 $107,540 $436,600
03063 Nashua , NH Standard 15,805 $107,630 $391,400
03064 Nashua , NH Standard 14,391 $96,393 $423,200
03070 New Boston , NH Standard 6,177 $154,000 $480,300
03071 New Ipswich , NH Standard 5,310 $110,507 $392,400
03073 North Salem , NH No street area — — —
03076 Pelham , NH Standard 14,449 $135,956 $552,600
03077 Raymond , NH Standard 10,900 $104,597 $370,400
03079 Salem , NH Standard 30,964 $110,490 $473,300
03082 Lyndeborough , NH Standard 1,531 $120,313 $397,700
03084 Temple , NH Standard 1,363 $94,107 $401,000
03086 Wilton , NH Standard 4,258 $113,750 $381,600
03087 Windham , NH Standard 16,038 $189,583 $723,300

Cite this page

zipcodes.pro. “ZIP codes starting with 030.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/030

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