Prosečne GPS koordinate za poštanski broj 01822: 42.446, -71.459
Spisak gradova:
>> Billerica 01822, Massachusetts, Middlesex, GPS koordinate: 42.4464,-71.4594
Spisak gradova:
>> Billerica 01822, Massachusetts, Middlesex, GPS koordinate: 42.4464,-71.4594