443-564-5573 seems to be a landline phone number, which is registered by the company called Level 3 Communications, Llc - MD. The phone number probably located in Baltimore (Maryland), based on its area code. If you want to know more, you should check out other publicly available sources (e.g.: yellow and white pages, phone books).
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| Long Version: | Four Four Three Five Six Four Five Five Seven Three |
| Short Version: | Four hundred forty-three, Five hundred sixty-four, Fifty-five, Seventy-three |
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