I need to say "call us any time", and I'm not sure what would be most proper. Ayudame, por favor :)

Question

I'm writing a business letter, and I need to direct people to call our phone line that is open 24 hours a day, 7 days a week. I want to say "Call us any time", but I'm not sure what the most proper way is to say it.

Answer 1

Also:

Llámenos cuando quiera, cuando pueda, cuando le parezca bien.....

Answer 2

How about:

Llámenos por teléfono en cualquier momento.

I changed your command to formal... - mountaingirl123, MAR 10, 2010

Gracias para ayudarme :) I'd thought of that, but wasn't sure if it was too much of a "textbook", generic translation, or if it was conversational enough to not sound dorky ;) - catherineannesim, MAR 10, 2010