This character is a Other Symbol and is commonly used, that is, in no specific script.
The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. U+1F3E3 offers a line break opportunity at its position, except in some numeric contexts.
The CLDR project calls this character “Japanese post office” for use in screen reading software. It assigns these additional labels, e.g. for search in emoji pickers: building, Japanese, office, post.
This character is designated as an emoji. It will be rendered as colorful emoji on conforming platforms. To reduce it to a monochrome character, you can combine it with Variation Selector-15: 🏣︎ See the Emojipedia for more details on this character’s emoji properties.
The Wikipedia has the following information about this codepoint:
The nation of Japan currently possesses one of the most advanced communication networks in the world. For example, by 2008 the Japanese government's Internal Affairs and Communications Ministry stated that about 75 million people used mobile phones to access the Internet, said total accounting for about 82% of individual Internet users.
Representations
System
Representation (click value to copy)
Nº
127971
UTF-8
F0 9F 8F A3
UTF-16
D8 3C DF E3
UTF-32
00 01 F3 E3
URL-Quoted
%F0%9F%8F%A3
HTML hex reference
🏣
Wrong windows-1252 Mojibake
ðŸ£
Encoding: GB18030 (hex bytes)
94 39 C6 35
RFC 5137
\u'1F3E3'
Bash and Zsh inside echo -e
\U0001F3E3
C and C++
\U0001F3E3
C#
\U0001F3E3
CSS
\01F3E3
Excel
=UNICHAR(127971)
Go
\U0001F3E3
JavaScript
\uD83C\uDFE3
Modern JavaScript since ES6
\u{1f3e3}
JSON
\uD83C\uDFE3
Java
\uD83C\uDFE3
Lua
\u{1F3E3}
Matlab
char(127971)
Perl
"\x{1F3E3}"
PHP
\u{1f3e3}
PostgreSQL
U&'\+01F3E3'
PowerShell
`u{1F3E3}
Python
\U0001F3E3
Ruby
\u{1f3e3}
Rust
\u{1f3e3}
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