15 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 03570 | Berlin | 9,473 |
| 03584 | Lancaster | 3,439 |
| 03598 | Whitefield | 3,439 |
| 03581 | Gorham | 3,243 |
| 03576 | Colebrook | 2,740 |
| 03582 | Groveton | 2,218 |
| 03588 | Milan | 1,674 |
| 03590 | North Stratford | 1,140 |
| 03583 | Jefferson | 1,001 |
| 03592 | Pittsburg | 972 |
| 03595 | Twin Mountain | 715 |
| 03597 | West Stewartstown | 553 |
| 03593 | Randolph | 423 |
| 03579 | Errol | 407 |
| 03575 | Bretton Woods | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 15 ZCTAs in Coos County, New Hampshire (US Census).