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Welcome to our simple online tool for obtaining your Colorado Federal Tax ID. Click here to start now, or learn more below.

Colorado Federal Tax ID / EIN numbers are valid in all fifty states. Many states issue "state tax IDs", which can go by names like sales tax number, resale number, and wholesale number. But any Colorado business that requires a state tax ID will also require the nine-digit Colorado Federal Tax ID that you can acquire right here.

Generally, Colorado businesses need a Federal Tax ID.

Establishing a new Colorado EIN number / Federal Tax ID is often one of the first things a new Colorado business does. One common reason is that most business license applications will ask for the ID.

Colorado Federal Tax ID numbers are used in the state by:

Individuals / Sole Proprietors
Limited Liability Companies (LLC)
Corporations and S-Corporations
Non-Profit Organizations
and other entities

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