U+1F231 "🈱" Squared CJK Unified Ideograph-6253 Unicode Character

U+1F231 "🈱" Squared CJK Unified Ideograph-6253 is a specific symbol in the Enclosed Ideographic Supplement block, representing the Chinese character "打" (dǎ) enclosed within a square. This character, derived from the CJK Unified Ideographs set, carries the core meaning of "strike" or "hit" in Mandarin, but in the context of Japanese mobile phone emoji and signage systems, it is often used as a squared ideograph to denote "cell phone" or "telephone" functionality, referencing the character's use in the word "電話" (denwa) or related communication terms. The square enclosure serves as a visual indicator for a special purpose, typically appearing in user interface icons or informational displays to signal a call or dialing action.

General Properties

Code Point	U+1F231
Version Added	5.2
Name	Squared CJK Unified Ideograph-6253
Block	Enclosed Ideographic Supplement
General Category	Other Symbol
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Square
Decomposition Mapping	"打" U+6253 CJK Unified Ideograph-#

Encodings

HTML Decimal Encoding	🈱
HTML Hex Encoding	🈱
UTF-8 Encoding	0xF0 0x9F 0x88 0xB1
UTF-16 Encoding	0xD83C 0xDE31
UTF-32 Encoding	0x0001F231
C/C++/Java Escape	\ud83c\ude31

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Ideographic
East Asian Width	Wide
Changes When NFKC Casefolded	Yes
NFKC Casefold	"打" U+6253 CJK Unified Ideograph-#
NFKC Simple Casefold	"打" U+6253 CJK Unified Ideograph-#
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	Other