Region I

Connecticut Valley Branch 

This territory includes all zip codes in the states of Connecticut and Rhode Island, New Hampshire zip code areas 03400-03499 and 03600-03799, and Massachusetts zip code areas 01000-01699.

Eastern New York Branch

This territory includes New York zip code areas 12000-12999, 12700-12999 and 13300-13399.

New York City Branch

This territory includes New York City zip code areas 09000-11999 and 12500-12899.

Northeast Branch

This territory includes all zip codes in the states of Maine and Vermont; New Hampshire zip code areas 03000-03399, 03500-03599, and 03800-03899; and Massachusetts zip code areas 01700-02799