Can I find out what phone number a purchase was made from

See this Apple article: Check your Apple ID device list to see where you're signed in

Check your Apple ID device list to see where you're signed in - Apple Support

-> remove the device hat is not yours from your account.

See the following Apple articles:

View your purchase history for the App Store, iTunes Store, and other Apple media services

View your purchase history for the App Store, iTunes Store, and other Apple media services - Apple Support

 -> If there is an 'unknown' purchase that was not made by you & you have an invoice from Apple (check your mail box) then click Report a problem on the invoice.

How apps, content, and subscriptions from Apple are billed

How apps, content, and subscriptions from Apple are billed - Apple Support

Request a refund for apps or content that you bought from Apple

Request a refund for apps or content that you bought from Apple - Apple Support

How to cancel a subscription from Apple

How to cancel a subscription from Apple - Apple Support

If the subscription that you want to cancel is not listed

If the subscription that you want to cancel is not listed - Apple Support

Apple doesn't use your phone number to track purchases. They are tied to an Apple ID.

~Lyssa

Ptopp wrote:

Can you find out what phone numbers are logged into your account and what number purchases were made from

Yours seemingly has been: If you think your Apple ID has been compromised - Apple Support