| | Worcester County | MA | 25027 | | Worcester, MA 49340 | Boston-Worcester-Providence,
MA-RI-NH-CT 148 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=WorcesterCounty+MA |
| | Hillsborough County | NH | 33011 | | Manchester-Nashua, NH 31700 | Boston-Worcester-Providence,
MA-RI-NH-CT 148 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=HillsboroughCounty+NH |
| | Rockingham County | NH | 33015 | Rockingham
County-Strafford County,
NH 40484 | Boston-Cambridge-Newton,
MA-NH 14460 | Boston-Worcester-Providence,
MA-RI-NH-CT 148 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=RockinghamCounty+NH |
| | Bristol County | RI | 44001 | | Providence-Warwick, RI-MA 39300 | Boston-Worcester-Providence,
MA-RI-NH-CT 148 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=BristolCounty+RI |
| | Kent County | RI | 44003 | | Providence-Warwick, RI-MA 39300 | Boston-Worcester-Providence,
MA-RI-NH-CT 148 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=KentCounty+RI |
| | Providence County | RI | 44007 | | Providence-Warwick, RI-MA 39300 | Boston-Worcester-Providence,
MA-RI-NH-CT 148 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ProvidenceCounty+RI |
| | Barnstable County | MA | 25001 | | Barnstable Town, MA 12700 | Boston-Worcester-Providence,
MA-RI-NH-CT 148 | Central | metro county (urban) | recreation | https://maps.google.com/?q=BarnstableCounty+MA |
| | Belknap County | NH | 33001 | | Laconia, NH 29060 | Boston-Worcester-Providence,
MA-RI-NH-CT 148 | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=BelknapCounty+NH |