Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym 20B is...

20B is

  • Rockland Coast Guard Station / Weather Observation Station, Rockland, Maine USA

20B is also in:

Acronym Definition Searched: 98364 WOPU QFT HID TRS 19040 OT WOHW MRE OOK MCGA FEA ADA FS PQV