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| How to Contact Us |
To contact CTC, please write, call, or e-mail
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| Columbia Telecommunications Corporation (CTC) |
| (Corporate Office) |
| 10613 Concord Street |
| Kensington, MD 20895 |
| Tel: 301.933.1488 |
| Fax: 301.933.3340 |
info@CTCnet.us |
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Satellite offices are located in North Carolina, Wisconsin, Minnesota, Illinois, and Ohio. |
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CTC: Communications Engineering and Analysis for the Public Interest |
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