By Edward Cardenas

SOUTHFIELD (CBS Detroit) – Restaurant chain P.F. Chang’s Monday released a list of a possible locations in the continental United States where customer’s credit and debit card data may have been stolen – and none were in Michigan.

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P.F Chang’s was alerted of the comprise on June  10 by the United States Secret Service of the possible security breach, and an investigation found that there were 33 locations where information may have been stolen.

“Since being alerted to the security compromise that we believe may have affected certain domestic P.F. Chang’s China Bistro restaurants, our team has worked continuously to investigate the security compromise and to ensure the security of our guests’ credit and debit card information,” Rick Federico, CEO of P.F. Chang’s, wrote in a statement on the company’s website.  “The security compromise has been contained and P.F. Chang’s has been processing credit and debit card data securely at all locations since June 11, 2014.”

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None of the four Metro Detroit locations was affected by the breach, according to the list posted on the company’s website, which lists the location and a time frame information may have been comprised.

Among personal information that was believed to be stolen included  credit and debit card data including the card number and the cardholders’ name and/or the card’s expiration date.

Company officials stated they have not been able to determine “that any specific cardholder’s credit or debit card data was stolen by the intruder” according to a release.

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Customers who have questions about the breach can contact P.F. Chang’s on a confidential hotline (877) 412-7152 Monday through Saturday, 8 a.m. to 8 p.m. C.S.T. Additional information is available at