1. An apparatus comprising: a computing device comprising a messaging client to receive an input sequence of alphabetic or alphanumeric characters as a destination of an outbound message, the messaging client to recognize that the input sequence represents a mnemonic short code based on length of the input sequence and the lack of one or more special characters within the input sequence, and automatically generate a common short code comprising a sequence of numeric digits associated with the mnemonic short code, and the messaging client to display the input sequence comprising the mnemonic short code and the generated common short code in an address field of the messaging client.