To check your return status, fill in the form with your home zip code and client number as provided to you by Tax-Aid when you submitted your tax documents to us. Note: Please refer to the paper that was given to you by Tax-Aid or if you submitted your questionnaire and documents to us via our website, please refer to the email confirmation you received from Tax-Aid that includes your client number. The number will be in the format XXX XXXXXXXXX. Home Zip Code: Client Number: