Cell phone and mobile data in San Juan, Puerto RicoGetting great cell service in puerto rico is easy. There are a few providers to choose from depending on your plans so we collected our favorites to help you choose.ATT operates in Puerto Rico with LibertyPR to offer affordable and reliable mobile and 5g cell phone service to the island.Unlimited 5g as low as 35$ a month. Service is reliable both on the island and in mainland US.Claro operates in Puerto Rico offering affordable and reliable mobile and 5g cell phone service to the island.Unlimited data as low as 21$ a month. Service is very reliable on the island.We hope this information was useful for you in getting setup with a reliable cell service here in San Juan!Salud!