Mexican immigration is across the street from the OCC terminal; colectivos generally assume that travelers need to be dropped off there. The Guatemalan border post is 4km south at La Mesilla, and 'Línea' combis (M$8…
The immigration office is on the Pan-American Hwy, just past the turnoff for Tzimol, 5km south of the town center.
The Municipal Tourist Office is moderately well stocked with leaflets and information.
Changes euros and dollars Monday through Friday; has an ATM.
Guatemalan visas can be issued here.