Prosečne GPS koordinate za poštanski broj 74021: 36.37, -95.847
Spisak gradova:
>> Collinsville 74021, Oklahoma, Tulsa, GPS koordinate: 36.3701,-95.8469
Spisak gradova:
>> Collinsville 74021, Oklahoma, Tulsa, GPS koordinate: 36.3701,-95.8469