Tello eSIM International Roaming Hands-On Test: US Number + Google Voice + Multi-Country Roaming Complete Solution
Tello Mobile is an MVNO carrier (leveraging T-Mobile’s network) specializing in affordable US phone numbers + international roaming. It’s incredibly useful for cross-border business and AI account registration. This post documents my experience using Tello over the past 1.5 years. Why You Need a US Phone Number I use a US phone number most frequently in these scenarios: ...