Kalmar "ABA wucewa" tana nufin wani keɓaɓɓen lambar lamba tara da ake amfani da ita a cikin Amurka don gano cibiyar kuɗi a cikin ma'amala. ABA tana nufin Ƙungiyar Ma'aikatan Banki ta Amirka, ƙungiyar da ta haɓaka tsarin ƙididdiga a 1910. Lambar wucewar ABA kuma ana kiranta lambar wucewa ko lambar wucewa (RTN). Babban Bankin Tarayya na amfani da shi don aiwatar da canja wurin kuɗin Fedwire, ACH (Automated Clearing House) adibas kai tsaye, biyan kuɗi, da sauran musayar kuɗi ta atomatik tsakanin cibiyoyin kuɗi a Amurka.