The Merrymeeting Audubon area encompasses the lower Kennebec and Androscoggin watershed – Freeport to Boothbay, north to Hallowell, southwest to Lisbon Falls, and south back to Freeport.
| 04530 | Arrowsic |
| 04003 | Bailey Island |
| 04530 | Bath |
| 04537 | Boothbay |
| 04538 | Boothbay Harbor |
| 04287 | Bowdoin |
| 04008 | Bowdoinham |
| 04011 | Brunswick |
| 04011 | Cundy’s Harbor |
| 04342 | Dresden |
| 04022 | Durham |
| 04345 | Farmingdale |
| 04032 | Freeport |
| 04548 | Georgetown |
| 04347 | Hallowall |
| 04079 | Harpswell |
| 04252 | Lisbon Falls |
| 04350 | Litchfield |
| 04552 | Newagen |
| 04066 | Orrs Island |
| 04562 | Phippsburg |
| 04345 | Pittston |
| 04069 | Pownal |
| 04346 | Randolph |
| 04357 | Richmond |
| 04079 | S Harpswell |
| 04565 | Sebasco Estates |
| 04578 | Sheepscot |
| 04567 | Small Point |
| 04032 | South Freeport |
| 04079 | South Harpswell |
| 04576 | Southport |
| 04086 | Topsham |
| 04571 | Trevett |
| 04530 | W Bath |
| 04575 | W Boothbay Harbor |
| 04287 | W Bowdoin |
| 04576 | W Southport |
| 04578 | Westport |
| 04578 | Wiscasset |
| 04579 | Woolwich |