Which exchanges still support USD account-to-account (A2A) transfers? Now that Mt. Gox no longer offers MTG USD redeemable codes, what other exchanges offer these vouchers / redeemable codes / coupons?
Due to AML regulations, few exchanges offer this service which is typically considered a banking function.


http://en.bitcoin.it/wiki/A2A_Transfer_Methods


This functionality can be emulated at exchanges that have integrated a Ripple gateway.  BITSTAMP is one such exchange.