以下是 ASCII 控制碼的十進制編號、簡稱、全名。
0 NUL Null 16 DLE Data link escape 1 SOH Start of heading 17 DC1 Device control 1 2 STX Start of text 18 DC2 Device control 2 3 ETX End of text 19 DC3 Device control 3 4 EOT End of transmit 20 DC4 Device control 4 5 ENQ Enquiry 21 NAK Neg. acknowledge 6 ACK Acknowledge 22 SYN Synchronous idle 7 BEL Audible bell 23 ETB End trans. block 8 BS Backspace 24 CAN Cancel 9 HT Horizontal tab 25 EM End of medium 10 LF Line feed 26 SUB Substitution 11 VT Vertical tab 27 ESC Escape 12 FF Form feed 28 FS Figures shift 13 CR Carriage return 29 GS Group separator 14 SO Shift out 30 RS Record separator 15 SI Shift in 31 US Unit separator 32 SP Blank Space