Where do I send my check when I filed for an extension? I live in Texas

[bobchase11]

your extension program did not tell me where to mail my check;

[LinaJ2018 · Accepted solution]

It is supposed to be e-file.  If you want to submit by mail, click here  https://www.irs.gov/pub/irs-pdf/f4868.pdf , see page 4.