The state of New Hampshire currently has a total of 280 Zip codes. The first digit of all ZIP codes in New Hampshire is 0. The first two digits are 03. The New Hampshire ZIP code with the largest population is Zip code 03103 in Manchester. The wealthiest ZIP code in New Hampshire based on Adjusted Gross income is 03750 in Etna.
- Manchester ZIP Codes
- Nashua ZIP Codes
- Concord ZIP Codes
- Dover ZIP Codes
- Rochester ZIP Codes
- Keene ZIP Codes
- Portsmouth ZIP Codes
- Laconia ZIP Codes
- Lebanon ZIP Codes
- Claremont ZIP Codes