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Transaction Network Services
Since 1990, TNS has been a preferred supplier of networking and integrated data services to many leading organizations in the global payments and financial communities, as well as a provider of extensive telecommunications network solutions to service providers.
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Transaction Network Services
| Two Digit Code | KL |
| Five Digit Code | KLS01 |
| Additional Name(s) | TNSI |
| Total Numbers | 1,463 |
| Trouble Referral # | 703-453-8500 |
| Mailing Address | 10740 Parkridge Boulevard Suite 100 Reston, VA 20191 |
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We've helped tens of thousands of customers get great numbers over the past 25+ years
“Using 1800Marketer to obtain a toll free number is the only way to go. The website is easy to you, pricing is great and customer service is amazing! Happy customer,”
RJ Polly
Weston, CT
“Hey Guys! Just a word of thanks for all you do. Every time I need something you're right there! Great service and the most knowledgeable people in the business. Keep up the excellent work!”
Dr A J DiCesaro
Pittsburgh, PA
“In my business I have a lot of clients that need that hard to find Toll Free numbers. I am thankful that I have a place that I can find them using TollFreeNumbers.com. Bill and Rita are great to work with they treat everyone like we are part of the family. I would recommend their service to anyone looking for a Toll Free number. Thank you, Kelly Spencer, Voice in a Cloud”
Kelly Spencer
Riverton, UT