what does rfd mean in an
*The Post Office Department first experimented with the idea of rural mail delivery on October 1, 1891 to determine the viability of RFD. . *Mayberry R.F.D. Mayberry R.F.D. (R.F.D. is a postal abbreviation for Rural Free Delivery) was a spin-off, or, perhaps more accurately, a direct continuation of The Andy Griffith Show under a new title.