Twin Mountain ZIP code, New Hampshire
The ZIP code for Twin Mountain, NH is 03595, and its area code is 603.
- USPS city name
- 1 ZIP code
- Population
- 648
- Area code
- 603
- County
- Coos County
- State
- New Hampshire
Twin Mountain in numbers
About 648 people live in Twin Mountain, in 366 households. The median household income is $64,762 a year, 35% below the New Hampshire median of $99,031 (US: $80,734). The median owner-occupied home is valued at $258,900 (36% below the New Hampshire median).
| Population | 648 |
|---|---|
| Households | 366 |
| Median household income | $64,762 |
| Median home value | $258,900 |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Twin Mountain. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Twin Mountain
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
03595 | Twin Mountain , NH | Standard | 648 | $64,762 | $258,900 |
Map of Twin Mountain ZIP codes
The ZIP codes of Twin Mountain, NH, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Twin Mountain
The nearest larger towns are Whitefield (1,512 people, 7.2 mi), Bethlehem (1,058 people, 9.7 mi) and Lancaster (2,230 people, 13 mi).
| Town | Population | Distance |
|---|---|---|
| Littleton | 4,114 | 13.5 mi |
| Berlin | 9,383 | 16.5 mi |
| St. Johnsbury, VT | 5,859 | 26.7 mi |
| Conway | 3,879 | 28.9 mi |
More nearby: every ZIP code in Coos County · New Hampshire ZIP codes
Cite this page
zipcodes.pro. “Twin Mountain, NH ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nh/twin-mountain
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