Yes! If your phone is unlocked and supports dual SIM functionality, either from two eSIMs or one physical SIM and one eSIM, you can use World Mobile alongside your existing carrier.

Your device will allow you to choose which network and number you'd like to keep as your primary one for voice calling and SMS (texting). You can also specify which network should handle data, allowing you to use whichever carrier has the best service at any given time.

Keep in mind that dual SIM functionality may vary depending on your device and software version, so be sure to check compatibility with your device manufacturer beforehand.