Prosečne GPS koordinate za poštanski broj 01824: 42.591, -71.356
Spisak gradova:
>> Chelmsford 01824, Massachusetts, Middlesex, GPS koordinate: 42.5911,-71.3556
Spisak gradova:
>> Chelmsford 01824, Massachusetts, Middlesex, GPS koordinate: 42.5911,-71.3556