Developer Reference

Unicode Block Reference

Published September 8, 2026

A few notable Unicode blocks and the code point ranges they cover. For how Unicode works, see Understanding Unicode.

Block Range
Basic Latin U+0000 to U+007F
Latin-1 Supplement U+0080 to U+00FF
General Punctuation U+2000 to U+206F
Emoticons U+1F600 to U+1F64F
CJK Unified Ideographs U+4E00 to U+9FFF

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Frequently Asked Questions

How many Unicode blocks are there in total?

Unicode defines hundreds of blocks, and new ones are added with each Unicode version as more scripts and symbols are standardized.

What does “U+” mean before a Unicode code point?

It’s the standard prefix for a hexadecimal Unicode code point number. U+0041, for example, is the letter “A”.

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