All zip codes in Belknap

03218 - Barnstead
03220 - Belmont
03225 - Center Barnstead
03226 - Center Harbor
03237 - Gilmanton
03246 - Laconia
03247 - Laconia
03249 - Gilford
03252 - Lochmere
03253 - Meredith
03256 - New Hampton
03269 - Sanbornton
03276 - Tilton
03289 - Winnisquam
03298 - Tilton
03299 - Tilton
03809 - Alton
03810 - Alton Bay
03837 - Gilmanton Iron Works