Code 128
Industry Type: Retail distribution, pharmaceutical
Symbol Size: variable
Characteristics: 106 different characters
very high density
continuous symbology
Code 39
Industry Type: Non retail of many types, health care, automotive
Symbol Size: Variable length
Characteristics: discrete (each character can stand alone)
each character has five bars and four spaces
first alpha numeric code
Codabar
Industry Type: Libraries, blood banks, air parcel services
Symbol Size: Not defined
Characteristics: self checking
discrete symbology (each character can stand alone)
16 characters available
Interleaved 2 of 5
Industry Type: Distribution, grocery outer shipping containers
Symbol Size: Not defined
Characteristics: High density
self checking
continuous symbology
Every character encodes two digits, one in the bar and one in the spaces
EAN (European Article Numbering)
Industry Type: Grocery, general merchandise
Allows for country designation
Symbol Size: 8 characters (EAN 8)
13 characters (EAN 13)
Characteristics: fixed length
numeric
continuous symbology
UPC (Universal Products Code)
Industry Type: Grocery, general merchandise
Symbol Type: 12 characters
1 digit number system
5 digit manufacturer's code
5 digit product code
1 digit check digit
Characteristics: fixed length
numeric
continuous symbology (no inter-character gaps