ZIP code · Manchester · New Hampshire · United States
ZIP code 03111 — Manchester
ZIP code 03111 serves Manchester, New Hampshire.
- Postal code
- 03111Single source Value from one source, not cross-checked.
- City
- Manchester
- County
- Hillsborough
- State
- New Hampshire
- Country
- United States
- Coordinates
- 42.9956, -71.4548 — precision precise (locality)
View on OpenStreetMap - USDA hardiness zone
- 6a (-10 to -5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 603Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 03111 with another ZIP · ZIPs within 25 miles · distance from 03111
Nearby localities
Climate — monthly normals
Warmest month Jul (avg high 81°F), coldest Jan (avg low 13°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 32 | 35 | 43 | 56 | 67 | 76 | 81 | 80 | 73 | 60 | 48 | 38 |
| Avg low °F | 13 | 15 | 24 | 35 | 46 | 56 | 61 | 59 | 52 | 40 | 30 | 21 |
| Precip in | 2.7 | 2.7 | 3.2 | 3.5 | 3.4 | 4.3 | 3.6 | 3.7 | 3.9 | 4.4 | 3.5 | 3.8 |
NOAA 1991–2020 climate normals from the nearest station: MASSABESIC LAKE (3.2 mi) · NOAA NCEI
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page