Warren County

Allamuchy Township [1873]
Alpha borough [1911]
BELVIDERE town [1845]- county courthouse
Blairstown Township [1845]
Franklin Township [1839]
Frelinghuysen Township [1848]
Greenwich Township [1738]
Hackettstown town [1853]
Hardwick Township [1750]
Harmony Township [1839]
Hope Township [1839]
Independence Township [1782]
Knowlton Township [1763]
Liberty Township [1926]
Lopatcong Township [1851: Phillipsburg to 1863]
Mansfield Township [1754]
Oxford Township [1754]
Phillipsburg town [1861]
Pohatcong Township [1882]
Washington borough [1868]
Washington Township [1849]
White Township [1913]

Source:  New Jersey Localities: Civil Divisions and Municipalities; http://www.thegreenpapers.com/slg/localities.phtml?state=NJ