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.

Visit us here: www.onesimcard.com

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2,901 Verified Customer Reviews

2,901 Customer Ratings and Reviews

Shopper Approved collects trusted reviews from customers who have made a verified purchase.

4.5

Overall Star
Rating

5 Shopper Approved - Review Star
1825
(62.9%)
4 Shopper Approved - Review Star
739
(25.5%)
3 Shopper Approved - Review Star
268
(9.2%)
2 Shopper Approved - Review Star
38
(1.3%)
1 Shopper Approved - Review Star
31
(1.1%)

Customer Service
4.3
5 Shopper Approved - Review Star
174
4 Shopper Approved - Review Star
63
3 Shopper Approved - Review Star
30
2 Shopper Approved - Review Star
13
1 Shopper Approved - Review Star
13
SHOW DETAILS

5-star reviews
1,750+

5-star reviews

6 years collecting reviews

About this Company

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.

Visit us here: www.onesimcard.com

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Y
Shopper Approved - Verified Customer Yu-Jih S.
1 day ago

good service


K
Shopper Approved - Verified Customer Karl H.
1 day ago

Very good.

Customer Service
5/5

V
Shopper Approved - Verified Customer VERUGHESE J.
2 days ago

Satisfied client since 2016


B
Shopper Approved - Verified Customer Bobby M.
4 days ago

great service. David was excellent representative

Company Response

Hello Lawrence,

 

Thank you for the positive review! Our support staff is always happy to hear their work was appreciated! We will pass this on to David.

 

We hope you will continue to use our service in the future when you travel and need connectivity.

 

Please don't forget to recommend us to your friends and family who travel.

 

You can even take advantage of our customer referral program. Simply log into your account and look for the "Refer a Friend" option in the top menu bar. You will receive $10 for anyone you refer to OneSimCard & makes a purchase.


L
Shopper Approved - Verified Customer Lane M.
5 days ago , CA

Able to do it in my phone

Company Response

Hello Lane,

 

Thank you for the positive review! We're glad to hear your service is working properly. 

 

We hope you will continue to use our service in the future when you travel and need connectivity.

 

Please don't forget to recommend us to your friends and family who travel.

 

You can even take advantage of our customer referral program. Simply log into your account and look for the "Refer a Friend" option in the top menu bar. You will receive $10 for anyone you refer to OneSimCard & makes a purchase.


M
Shopper Approved - Verified Customer Ming W.
1 week ago

I managed to go through the process without asking for assistance.

Company Response

Hello Ming,

 

Thank you for the positive review! We're glad to hear you had a positive experience. 

 

We hope you will continue to use our service in the future when you travel and need connectivity.

 

Please don't forget to recommend us to your friends and family who travel.

 

You can even take advantage of our customer referral program. Simply log into your account and look for the "Refer a Friend" option in the top menu bar. You will receive $10 for anyone you refer to OneSimCard & makes a purchase.


D
Shopper Approved - Verified Customer Darren G.
1 week ago

Great

Company Response

Hello Darren,

 

Thank you for the positive review! We're glad to hear you had a positive experience. 

 

We hope you will continue to use our service in the future when you travel and need connectivity.

 

Please don't forget to recommend us to your friends and family who travel.

 

You can even take advantage of our customer referral program. Simply log into your account and look for the "Refer a Friend" option in the top menu bar. You will receive $10 for anyone you refer to OneSimCard & makes a purchase.


L
Shopper Approved - Verified Customer Luzviminda N.
1 week ago

Overwhelming info for a first time user of SIM card, but food info.

Customer Service
5/5

Company Response

Hello Luzviminda,

 

Thank you for the positive review! We do have a lot of options available but that's just so customers can customize the kind of travel experience they want. Please feel free to reach out to our support if you have any questions. 

 

We hope you will continue to use our service in the future when you travel and need connectivity.

 

Please don't forget to recommend us to your friends and family who travel.

 

You can even take advantage of our customer referral program. Simply log into your account and look for the "Refer a Friend" option in the top menu bar. You will receive $10 for anyone you refer to OneSimCard & makes a purchase.


A
Shopper Approved - Verified Customer Antonio C.
1 week ago , alajuela

received order with no issues

Company Response

Hello Antonio,

 

Thank you for the positive review! We're sorry to hear there was some confusion. We hope that you were able to navigate the checkout process properly after your help from our support team.

 

We hope you will continue to use our service in the future when you travel and need connectivity.

 

Please don't forget to recommend us to your friends and family who travel.

 

You can even take advantage of our customer referral program. Simply log into your account and look for the "Refer a Friend" option in the top menu bar. You will receive $10 for anyone you refer to OneSimCard & makes a purchase.


M
Shopper Approved - Verified Customer Marcos C.
1 week ago , FL

Customer support super rude. Asked twice for something and he showed the dislike. Need to work on empathy with them. We are new and not supposed to know. Need to repeat until it works.

Customer Service
2/5

Company Response

We're sorry to hear you has that experience. Our customer support staff are some of the best in the world and we pride ourselves on giving a positive experience. 

Please feel free to write back into us so we can get any issues you may be having sorted out as soon as possible. 


S
Shopper Approved - Verified Customer Stephanie H.
1 week ago

As advertised

Company Response

Hello Stephanie,

 

Thank you for the positive review! We're glad to hear you had a positive experience. 

 

We hope you will continue to use our service in the future when you travel and need connectivity.

 

Please don't forget to recommend us to your friends and family who travel.

 

You can even take advantage of our customer referral program. Simply log into your account and look for the "Refer a Friend" option in the top menu bar. You will receive $10 for anyone you refer to OneSimCard & makes a purchase.


G
Shopper Approved - Verified Customer Greg N.
2 weeks ago

Great customer support, easy to order.

Company Response

Hello Greg,

 

Thank you for the positive review! Our customer support staff works very hard and they always love to hear their work is appreciated! 

 

We hope you will continue to use our service in the future when you travel and need connectivity.

 

Please don't forget to recommend us to your friends and family who travel.

 

You can even take advantage of our customer referral program. Simply log into your account and look for the "Refer a Friend" option in the top menu bar. You will receive $10 for anyone you refer to OneSimCard & makes a purchase.


D
Shopper Approved - Verified Customer DEV M.
2 weeks ago

Card was delivered as promised

Company Response

Hello Dev,

 

Thank you for the positive review! We're glad to hear you had a positive experience. 

 

We hope you will continue to use our service in the future when you travel and need connectivity.

 

Please don't forget to recommend us to your friends and family who travel.

 

You can even take advantage of our customer referral program. Simply log into your account and look for the "Refer a Friend" option in the top menu bar. You will receive $10 for anyone you refer to OneSimCard & makes a purchase.


R
Shopper Approved - Verified Customer Richard Z.
2 weeks ago , Maryland

Good

Company Response

Hello Richard,

 

Thank you for the positive review! We're glad to hear you had a positive experience. 

 

We hope you will continue to use our service in the future when you travel and need connectivity.

 

Please don't forget to recommend us to your friends and family who travel.

 

You can even take advantage of our customer referral program. Simply log into your account and look for the "Refer a Friend" option in the top menu bar. You will receive $10 for anyone you refer to OneSimCard & makes a purchase.


S
Shopper Approved - Verified Customer Sonny T.
2 weeks ago

Good

Company Response

Hello Sonny,

 

Thank you for the positive review! We're glad to hear you had a positive experience. 

 

We hope you will continue to use our service in the future when you travel and need connectivity.

 

Please don't forget to recommend us to your friends and family who travel.

 

You can even take advantage of our customer referral program. Simply log into your account and look for the "Refer a Friend" option in the top menu bar. You will receive $10 for anyone you refer to OneSimCard & makes a purchase.


R
Shopper Approved - Verified Customer Rick M.
2 weeks ago

user friendly

Company Response

Hello Rick,

 

Thank you for the positive review! We're glad to found our service user friendly!

We hope you will continue to use our service in the future when you travel and need connectivity.

 

Please don't forget to recommend us to your friends and family who travel.

 

You can even take advantage of our customer referral program. Simply log into your account and look for the "Refer a Friend" option in the top menu bar. You will receive $10 for anyone you refer to OneSimCard & makes a purchase.


T
Shopper Approved - Verified Customer Thomas B.
2 weeks ago

Good!

Company Response

Hello Thomas,

 

Thank you for the positive review! We're glad to hear you had a positive experience. 

 

We hope you will continue to use our service in the future when you travel and need connectivity.

 

Please don't forget to recommend us to your friends and family who travel.

 

You can even take advantage of our customer referral program. Simply log into your account and look for the "Refer a Friend" option in the top menu bar. You will receive $10 for anyone you refer to OneSimCard & makes a purchase.


M
Shopper Approved - Verified Customer MARK K.
3 weeks ago

the shopping on this site was easy to, I believe anyone can navigate this site.

Company Response

Hello Mark,

 

Thank you for the positive review! We're glad to hear you had a positive experience. 

 

We hope you will continue to use our service in the future when you travel and need connectivity.

 

Please don't forget to recommend us to your friends and family who travel.

 

You can even take advantage of our customer referral program. Simply log into your account and look for the "Refer a Friend" option in the top menu bar. You will receive $10 for anyone you refer to OneSimCard & makes a purchase.


L
Shopper Approved - Verified Customer Lawrence J.
3 weeks ago , PA

Shopping for a replacement SIM card was easy. Well done.

Customer Service
5/5

Company Response

Hello Lawrence,

 

Thank you for the positive review! We're glad to hear you had a positive experience. 

 

We hope you will continue to use our service in the future when you travel and need connectivity.

 

Please don't forget to recommend us to your friends and family who travel.

 

You can even take advantage of our customer referral program. Simply log into your account and look for the "Refer a Friend" option in the top menu bar. You will receive $10 for anyone you refer to OneSimCard & makes a purchase.


J
Shopper Approved - Verified Customer James R.
3 weeks ago

I don't really use it much which leads to me having to add money each year or lose it which I don't like. The card works well. I find that the new chip works fine when I tested it. I hope to travel more in the coming year so hopefully will use it more.

Company Response

Hello James,

 

Thank you for the positive review! We're glad to hear your service is working properly. 

 

We hope you will continue to use our service in the future when you travel and need connectivity.

 

Please don't forget to recommend us to your friends and family who travel.

 

You can even take advantage of our customer referral program. Simply log into your account and look for the "Refer a Friend" option in the top menu bar. You will receive $10 for anyone you refer to OneSimCard & makes a purchase.


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