What does unb stand for?

Unbound (WDMC)

Fredericton - New Brunswick - Seismograph station code, US Geological Survey (SEIS)

Kanab, UT - Location identifier - FAA (FAAL)

Ulnar Nerve Block - Medicine (EDAA)

Unbound (ROG)

Unexploded Booklet - Philately

United Nations Beacon

United Nations Bookshop (SAUS)

Universal Navigation Beacon

University National Bank (SAUS)

University of New Brunswick - Canada

University of New Brunswick Library - UTLAS symbol