The Internal Revenue Service is looking to return $153.3 million in undelivered tax refund checks.
A total of 99,123 taxpayers are due refund checks this year that could not be delivered because of mailing address errors, according to the IRS.
About $2.2 million of the refunds belong to 2,087 Washington taxpayers. The Washington average undelivered refund is $1,078, while the national average is $1,547.
Taxpayers who believe their refund check may have been returned to the IRS as undeliverable should use the "Where's My Refund?" tool on IRS.gov. The tool will provide the status of their refund and, in some cases, instructions on how to resolve delivery problems.
Refund status also can be checked by calling 800-829-1954. Taxpayers checking on a refund by phone will receive instructions on how to update their addresses.
Taxpayers also can put an end to lost, stolen or undelivered checks by choosing direct deposit when they file either paper or electronic returns. Last year, more than 78.4 million taxpayers chose to receive their refund through direct deposit, according to the IRS.