It depends. Some states have a requirement that the number have a prescribed number of digits. For example, the California State EIN is an eight-digit number whereas the Federal EIN is a nine-digit number.
If this involves a W-2, contact the employer for the number. For larger companies, you may be able to find the number with an online search.
If you used the Federal ID and TurboTax allowed you to file, your Federal return should be accepted. In the event that your State return is rejected, follow the instructions in the error message.
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