Gjennomsnittlig GPS-koordinater for postnummer 90840: 19.312, -98.178
Notering byer:
>> San Francisco Tetlanohcan 90840, Tlaxcala, San Francisco Tetlanohcan, GPS-koordinater: 19.3117,-98.1777
Notering byer:
>> San Francisco Tetlanohcan 90840, Tlaxcala, San Francisco Tetlanohcan, GPS-koordinater: 19.3117,-98.1777