The number sequence 881 is...
a Paid Toll Free telephone number prefix in the USA
the Port of Los Angeles Long Wharf, California State Historic Landmark #881
the year AD 881 or the year 881 BC
In astronomy, NGC 881 is an Sc type galaxy in the constellation Cetus.
A bilingual play on words when text chatting in Mandarin Chinese or bilingually Mandarin Chinese and English. "881" is pronounced ba ba yi in Mandarin, and thus puns on "bye-bye." Probably an elaboration of the similar pun on "88" (ba-ba). See 88 (number).
The international telephone dialling code for the Global Mobile Satellite System
a prime number
