4 Stars

4.4 Overall Rating

Based on 1,220
5 Star Reviews 4 Star Reviews 3 Star Reviews 2 Star Reviews 1 Star Reviews

Customer Service

4 Stars Average

OneSimCard® is a division of Belmont Telecom, Inc., a licensed U.S. interexchange carrier (IXC) providing telecommunications services since 1994. We strive to make communication as efficient and inexpensive as possible for you, whether you're calling across town, across the country or across the globe.

We provide you with the best, least expensive, and easiest to use international cell phone service. Whether you are an occasional international traveler wanting to make sure you have a phone in case of an emergency, or a frequent corporate jet setter who needs to stay in touch with your clients at all times, we will have the best solution for you. We offer the opportunity to stay connected in over 200 countries while avoiding your regular mobile carrier's high international roaming charges.

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Featured Reviews

John W | Submitted 16 Jul 2018
Verified Customer

“Thank you. Your online chat was helpful.”

David G | Submitted 16 Jul 2018
Verified Customer

“great customer service”

Ennis B | Submitted 15 Jul 2018
Verified Customer

“Quick n easy”

Ronald M | Submitted 15 Jul 2018
Verified Customer


BARBARA K | Submitted 15 Jul 2018
Verified Customer

“So far so go - will evaluate after card is received”

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