Prosečne GPS koordinate za poštanski broj 03873: 42.931, -71.186
Spisak gradova:
>> Sandown 03873, New Hampshire, Rockingham, GPS koordinate: 42.9308,-71.1861
Spisak gradova:
>> Sandown 03873, New Hampshire, Rockingham, GPS koordinate: 42.9308,-71.1861