Free "Can I text now?" texting hours checker - Built a free checker that shows whether a marketing text is allowed right now. Enter a customer's area code or state and it shows their local time and the legal window. Federal rules allow 8 a.m. to 9 p.m. in the recipient's time zone; Florida, Oklahoma and Maryland stop at 8 p.m. The tool also shows the safest window, 10 a.m. to 8 p.m. their time.