Will my regular home SIM card allow me to roam freely in Cambodia without extra charges?

Generally, no. Cambodia is typically outside most standard international roaming agreements from major US, UK, or EU carriers, meaning using your home SIM card there can lead to extremely high roaming fees. To avoid unexpected bills and ensure affordable, reliable connectivity while exploring the ancient wonders of Angkor Wat or the vibrant streets of Phnom Penh, an EastESIM Cambodia plan is by far the most cost-effective and convenient solution. It connects you to top local networks without the hefty price tag.