Yes, Mexico is further west than the prime meridian (zero degrees latitude). The midpoint of Mexico is further west by approximately 5,779 miles (9,300km).
No, Mexico is not further east than the prime meridian (zero degrees latitude).
Yes, Mexico is further north than the equator. The midpoint of Mexico is further north by approximately 1,633 miles (2,628km).
No, Mexico is not further south than the equator.