| | 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 |
| | Strafford County | NH | 33017 | Rockingham
County-Strafford County,
NH 40484 | Boston-Cambridge-Newton,
MA-NH 14460 | Boston-Worcester-Providence,
MA-RI-NH-CT 148 | Outlying | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=StraffordCounty+NH |