Knox County Cities Listed by Area Code 207
| Area Code | City | State | Zip Code |
| 207 | Camden | ME | 04843 |
| 207 | Cushing | ME | 04563 |
| 207 | Friendship | ME | 04547 |
| 207 | Hope | ME | 04847 |
| 207 | Isle Au Haut | ME | 04645 |
| 207 | Matinicus | ME | 04851 |
| 207 | North Haven | ME | 04853 |
| 207 | Owls Head | ME | 04854 |
| 207 | Rockland | ME | 04841 |
| 207 | Rockport | ME | 04856 |
| 207 | South Thomaston | ME | 04858 |
| 207 | Spruce Head | ME | 04859 |
| 207 | Tenants Harbor | ME | 04860 |
| 207 | Thomaston | ME | 04861 |
| 207 | Union | ME | 04862 |
| 207 | Vinalhaven | ME | 04863 |
| 207 | Warren | ME | 04864 |
| 207 | Washington | ME | 04574 |
| 207 | Wileys Corner | ME | 04857 |