Unfortunately bands mean very little to anyone out of the person who put the band on the bird. 14 could refer to the year the bird was born (2014) but that's really all we could semi-easily get out of the band.
In my experience, your best bet is to contact bird clubs. Sometimes they can help. I discovered my bird's breeder that way. I knew where he had been bred, so I canvassed all thee clubs in that area. A lot of trouble, but worth it!