I'll meet you at the subway station! This sign can usually be found in big cities and serves as a guide in local public transport. Because subways, outside of Germany usually called Metro, run underground. This sign indicates where a station is located.
The circled M emoji was introduced in 1995 and released as part of the Unicode 11.0 standard. This emoji can be found under the symbols category. Because the circled M emoji has been around for quite some time, it should display correctly in the majority of operating systems.

Here you'll find a range of emojis on how they will look using different operating systems. Each company will design an emoji according to their own style. Here we have listed the most popular platforms around to see how the emoji will look on their screens.

Short Codes:

:m:

Hex Code:

Ⓜ️

Decimal Code:

Ⓜ️

Punycode:

xn--huh

URL Escape Code:

%E2%93%82%EF%B8%8F

JavaScript & JSON:

\u24c2\ufe0f

CSS Code:

content: '\024C2\0FE0F';