The best replacement for bic is swift.

The best alternatives to bic are rated as following:
★★★★★  swift
★★★  aic
★★★  papermate
★★  swift code
★★  zippo
★★  iban
★★  klipsch
★  hsu
★  gillette
★  clipper
★  sharpie
★  djeep
★  swift difference
★  svs
  sort code
  swift bank code
  fluance
  nsp
  swift number
  aba
  staedtler

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Speaking about bic, one probably shouldn't forget about iban.

Other search terms related to bic and their ratings are:
★★★★★ iban
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bic
swift
aic