County ZIP codes · New Hampshire · FIPS 33009
Grafton County, NH ZIP Codes
Grafton County, New Hampshire has 40 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 37 residential and 3 for PO boxes or a single organization. 36 of the residential ones lie mainly in Grafton County and 1 mainly in a neighboring county; 2 cross the county line. Median household income ranges from $54,607 in 03217 (Ashland) to $250,000 or more in 03750 (Etna) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Grafton County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $76,071 and $95,089. One reports $250,000 or more, the Census top code.
They carry 37 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 37 residential ZIP codes in Grafton County
36 ZIP codes lie mainly in Grafton County; 1 more reaches into it from a neighboring county and follows the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 03766 | Lebanon | 11,195 | 350 | $101k | $396k | 100% |
| 03755 | Hanover | 10,569 | 362 | $166k | $815k | 100% |
| 03264 | Plymouth | 6,885 | 189 | $77k | $289k | 100% |
| 03222 | Bristol | 6,097 | 86 | $82k | $313k | 100% |
| 03561 | Littleton | 6,040 | 121 | $57k | $283k | 100% |
| 03748 | Enfield | 4,563 | 97 | $95k | $389k | 95% |
| 03741 | Canaan | 4,131 | 54 | $82k | $258k | 100% |
| 03784 | West Lebanon | 3,804 | 457 | $91k | $372k | 100% |
| 03223 | Campton | 3,441 | 49 | $119k | $356k | 100% |
| 03285 | Thornton | 2,799 | 56 | $90k | $352k | 100% |
| 03574 | Bethlehem | 2,573 | 28 | $81k | $288k | 100% |
| 03585 | Lisbon | 2,456 | 31 | $69k | $234k | 100% |
| 03217 | Ashland | 2,183 | 194 | $55k | $227k | 100% |
| 03266 | Rumney | 2,130 | 19 | $76k | $282k | 100% |
| 03785 | Woodsville | 2,018 | 32 | $58k | $244k | 100% |
| 03245 | Holderness | 1,917 | 63 | $108k | $363k | 100% |
| 03768 | Lyme | 1,710 | 32 | $134k | $645k | 100% |
| 03251 | Lincoln | 1,461 | 22 | $71k | $342k | 100% |
| 03774 | North Haverhill | 1,420 | 54 | $59k | $228k | 100% |
| 03580 | Franconia | 1,402 | 16 | $91k | $497k | 100% |
| 03240 | Grafton | 1,354 | 33 | $82k | $267k | 100% |
| 03777 | Orford | 1,295 | 28 | $93k | $272k | 100% |
| 03241 | Hebron | 1,150 | 31 | $91k | $471k | 100% |
| 03262 | North Woodstock | 1,142 | 20 | $86k | $320k | 100% |
| 03750 | Etna | 1,116 | 71 | $250k+ | $881k | 100% |
| 03740 | Bath | 1,097 | 29 | $68k | $234k | 100% |
| 03780 | Pike | 1,071 | 54 | $190k | $618k | 100% |
| 03282 | Wentworth | 1,052 | 25 | $98k | $305k | 100% |
| 03279 | Warren | 878 | 18 | $70k | $253k | 100% |
| 03779 | Piermont | 868 | 23 | $80k | $342k | 100% |
| 03771 | Monroe | 786 | 35 | $88k | $313k | 100% |
| 03586 | Sugar Hill | 658 | 39 | $154k | $640k | 100% |
| 03765 | Haverhill | 513 | 112 | $80k | $263k | 100% |
| 03215 | Waterville Valley | 290 | 2 | $106k | $563k | 100% |
| 03293 | Woodstock | 72 | 50 | $86k | $325k | 100% |
| 03238 | Glencliff | 64 | 64 | $47k | $190k | 100% |
Partly in Grafton County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 03243 | Hill | 952 | 37 | $83k | $304k | 6% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
2 ZIP codes of Grafton County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Grafton | Elsewhere |
|---|---|---|
| 03748 | 95% | Sullivan County5% |
| 03243 | 6% | Merrimack County94% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 03749 | Enfield Center |
| 03756 | Lebanon |
| 03769 | Lyme Center |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Grafton County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Grafton County's ZIP codes use 3 prefixes: 032, 035 and 037.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 032 | Manchester, NH (SCF 030) | 17 | 64 |
| 035 | White Riv Jct, VT (SCF 050) | 5 | 21 |
| 037 | White Riv Jct, VT (SCF 050) | 18 | 29 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.