| Code | Site | Code | Site | Code | Site | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| YAB | Amesbury Duplicate BC | YAL | ??? | YAV | Andover DBC | ||||||
| YB7 | Barnstable Sectional | YBM | Belmont Duplicate Bridge Club | YBS | The Bridge Spot | ||||||
| YC7 | Chatham Sectional | YCH | ??? | YCS | Classy Seniors DBC | ||||||
| YCT | ??? | YDM | Dartmouth BC | YDW | Dedham Invitational | ||||||
| YDY | D-Y Senior Citizens DBC | YEC | New England Chinese Bridge | YEH | Eastward Ho! BC | ||||||
| YET | Edgartown Bridge Club | YF5 | Falmouth Sectional | YFM | Family Friendly Bridge Club | ||||||
| YFX | Fox Hill Village Bridge Club | YGC | Essex Country Club | YGI | Great Island Duplicate Bridge Club | ||||||
| YH7 | Hyannis Sectional | YHY | Hyannis Port Club | YIH | Hamilton DBC | ||||||
| YKY | Kathy's Bridge Club | YLC | Longwood Cricket Club | YMD | MIT/DL Bridge Club | ||||||
| YMF | Marshfield Senior Center | YMG | ??? | YMW | Metrowest Bridge | ||||||
| YN5 | New Castle Sectional | YN7 | Newton Sectional | YNB | Nantucket Bridge Club | ||||||
| YNN | Bay State Bridge Club | YNO | North Hill Bridge Club | YOH | Oyster Harbors Club | ||||||
| YPT | Puritan Bridge Club | YRH | Monomoy Bridge Club | YS4 | Sandwich Sectional | ||||||
| YSD | Dennis DBC | YSM | Saltmarsh DBC | YTB | ??? | ||||||
| YUC | Upper Cape Bridge Club | YW4 | Watertown Sectional | YW6 | Woburn Sectional | ||||||
| YW8 | Westwood Sectional | YWC | The DBC of Winchester | YWL | Willowbend Duplicate Bridge | ||||||
| YWO | ??? | YWW | Westwood DBC | YWY | Wellesley Country Club BC |