- Patten
- Peaks Island
- Pemaquid
- Pembroke
- Penobscot
- Perham
- Perry
- Peru
- Phillips
- Phippsburg
- Pittsfield
- Plymouth
- Poland
- Port Clyde
- Portage
- Porter
- Portland
- Pownal
- Presque Isle
- Princeton
- Prospect Harbor
- Randolph
- Rangeley
- Raymond
- Readfield
- Richmond
- Robbinston
- Rockland
- Rockport
- Rockwood
- Round Pond
- Roxbury
- Rumford
- Sabattus
- Saco
- Saint Agatha
- Saint Albans
- Saint David
- Saint Francis
- Salsbury Cove
- Sandy Point
- Sanford
- Sangerville
- Sargentville
- Scarborough
- Seal Cove
- Seal Harbor
- Searsmont
- Searsport
- Sebago
- Sebasco Estates
- Sebec
- Sedgwick
- Shapleigh
- Shawmut
- Sheridan
- Sherman
- Shirley Mills
- Sinclair
- Skowhegan
- Smithfield
- Smyrna Mills
- Solon
- Sorrento
- South Berwick
- South Bristol
- South Casco
- South China
- South Freeport
- South Gardiner
- South Paris
- South Portland
- South Thomaston
- South Windham
- Southport
- Southwest Harbor
- Springfield
- Springvale
- Spruce Head
- Squirrel Island
- Stacyville
- Standish
- Steep Falls
- Stetson
- Steuben
- Stillwater
- Stockholm
- Stockton Springs
- Stoneham
- Stonington
- Stratton
- Strong
- Sullivan
- Sumner
- Sunset
- Surry
- Swans Island
- Temple
- Tenants Harbor
- Thomaston
- Thorndike
- Topsfield
- Topsham
- Trevett
- Troy
- Turner
- Union
- Unity
- Van Buren
- Vanceboro
- Vassalboro
- Vienna
- Vinalhaven
- Waite
- Waldoboro
- Wallagrass
- Walpole
- Warren
- Washburn
- Washington
- Waterboro
- Waterford
- Waterville
- Wayne
- Weld
- Wells
- Wesley
- West Baldwin
- West Bethel
- West Boothbay Harbor
- West Enfield
- West Farmington
- West Forks
- West Kennebunk
- West Minot
- West Newfield
- West Paris
- West Poland
- West Rockport
- Westbrook
- Westfield
- Whitefield
- Whiting
- Wilton
- Windham
- Windsor
- Winn
- Winter Harbor
- Winterport
- Winthrop