SLYNUMBERSLYNUMBER is the easiest way to add a second mobile number to your phone - no SIM card or new device is needed.
SLYNUMBER (slynumber.com) has 84 customer reviews on Five Star Index, with an average rating of 3.2 out of 5.
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Computers & Phones · Somerville, Massachusetts
Excellent
Computers & Phones · Natick, Massachusetts
Excellent
Computers & Phones · Boston, Massachusetts
Excellent
Computers & Phones · Cambridge, Massachusetts
Excellent
Showing 43 reviews with 5 stars · Clear filters
Michael P.
SLYNUMBER customer support team was incredibly responsive and helpful. They resolved my problem quickly, and everything is now working perfectly. Highly recommend their service for anyone looking for reliable and professional support.
Ahmed K.
My request has been done easily
DGM
My phone was recently stolen in a foreign country. Obviously having an SMS contact is critical to turn back on all my services from the USA. SLYNUMBER was incredibly helpful in helping me get my service back up and running from start to finish. Their customer service was really the only one that actually listened and responded like they cared! Thank you SLYNUMBER!
Iurie M.
Thanks for your support. They are very fast and correct. Recommand!!!
Lana C.
My daughter lives in the US so I use this app whenever I go visit her. It was very easy to set up. The data option was a great addition too
Luka C.
I used the number for on several occasions and it worked perfectly throughout the course of two years! Great product!
Jacqueline N.
Great product, I have been using it for a while, not complains .
SA S.
I'm thoroughly impressed with this service provider. The notifications are always on time, and I've never experienced any issues. I'd give it a 5-star rating, but I wish they would expand their services to include more countries for calling.