860

[Tech.]  The “number system” code of an EAN-13 barcode for Yugoslavia’s products.

 

[World]  The ISO country code for Uzbekistan. (ISO-3166).

 

861

[Math.]  A triangular number (sum of all integers from 1 to 41): 861 = 1+2+…+40+41.

 

[Math.]  144,648 = 861×168 = 492×294.

 

862 

[World]  The ISO country code for Venezuela. (ISO-3166).

 

863

[Math.]  A prime number.

 

864

[Tech.]  The longer side (mm, millimeters) of the U.S. standard paper of size D, for technical drawing, 864 mm×559 mm. It is half of size E, 1118 mm×864 mm.

 

865

 

866

[Phone]  An area code for the toll-free (or WATS: Wide Area Telecommunications Service) telephone number, dialing within the U.S. and Canada. Besides the original number 800, there are: 888, 877, 866 and 855 and will be 844, 833 and 822.

 

867...

 

868

[Phone] The telephone area code for Trinidad and Tobago (within NANPA/U.S.) NANPA: North American Numbering Plan Administration.

 

869

[Phone]  The telephone area code for St. Kitts and Nevis (within NANPA/U.S.). NANPA: North American Numbering Plan Administration.

 

[Tech.]  The “number system” code of an EAN-13 barcode for Turkey’s products.

 

860-869

[Library]  Numbers 800-899 are the first 3 digits in Dewey Decimal Classification System call numbers for library books in Literature. Numbers 860-869 are for books in Spanish and Portuguese Literatures.