Prosečne GPS koordinate za poštanski broj co13: 51.836, 1.225
Spisak gradova:
>> Great Holland CO13, Essex, England, GPS koordinate: 51.8282,1.2096
>> Frinton-on-Sea CO13, Essex, England, GPS koordinate: 51.8388,1.2463
>> Kirby Cross CO13, Essex, England, GPS koordinate: 51.8418,1.2188
>> Kirby le Soken CO13, Essex, England, GPS koordinate: 51.8362,1.2249
Spisak gradova:
>> Great Holland CO13, Essex, England, GPS koordinate: 51.8282,1.2096
>> Frinton-on-Sea CO13, Essex, England, GPS koordinate: 51.8388,1.2463
>> Kirby Cross CO13, Essex, England, GPS koordinate: 51.8418,1.2188
>> Kirby le Soken CO13, Essex, England, GPS koordinate: 51.8362,1.2249