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* Compared to rates shown on AT&T, T-Mobile, Verizon and Sprint websites as of February 1, 2011. AT&T, T-Mobile, Verizon and Sprint are trademarks of their respective owners. No claim to those trademarks is intended or implied.

Contact OneSimCard Support
Phone: 1-617-313-8888 or 1-800-640-2113
Mail: PO Box 481, Belmont, MA 02478-0004, USA
2006-2012 Belmont Telecom Inc., DBA
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