Coos County, New Hampshire ZIP Codes
- ZIP records
14 - Cities represented
14 - Sum of listed ZIP population estimates
30,887
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 03570 | Berlin | 9,383 |
| 2 | 03584 | Lancaster | 3,501 |
| 3 | 03598 | Whitefield | 3,396 |
| 4 | 03581 | Gorham | 3,246 |
| 5 | 03576 | Colebrook | 2,764 |
| 6 | 03582 | Groveton | 1,949 |
| 7 | 03588 | Milan | 1,633 |
| 8 | 03590 | North Stratford | 1,297 |
| 9 | 03592 | Pittsburg | 1,054 |
| 10 | 03583 | Jefferson | 1,013 |
Cities in Coos County
- Berlin
- Bretton Woods
- Colebrook
- Gorham
- Groveton
- Jefferson
- Lancaster
- Milan
- North Stratford
- Pittsburg
- Randolph
- Twin Mountain
- West Stewartstown
- Whitefield
ZIP Directory
- ZIP 03570
- ZIP 03575
- ZIP 03576
- ZIP 03581
- ZIP 03582
- ZIP 03583
- ZIP 03584
- ZIP 03588
- ZIP 03590
- ZIP 03592
- ZIP 03593
- ZIP 03595
- ZIP 03597
- ZIP 03598
Browse all ZIP data for New Hampshire
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.