Does my CheapESIM for Guatemala work if I travel to nearby countries such as Mexico, Belize, or El Salvador?

No, this specific CheapESIM plan is designed exclusively for use within Guatemala. This is a crucial point for travelers exploring Central America. If your itinerary includes crossing borders into countries like Mexico (e.g., from San Cristobal), Belize (perhaps from San Ignacio), or heading south to El Salvador (towards Santa Ana), your internet service will cease at the border. For multi-country trips, CheapESIM offers regional plans that cover several nations, providing a more cost-effective solution than buying separate local SIMs or relying on expensive roaming.