Prosečne GPS koordinate za poštanski broj 03810: 43.485, -71.249
Spisak gradova:
>> Alton Bay 03810, New Hampshire, Belknap, GPS koordinate: 43.4845,-71.2489
Spisak gradova:
>> Alton Bay 03810, New Hampshire, Belknap, GPS koordinate: 43.4845,-71.2489