CodaBar font is commonly used in libraries, blood banks, and the air parcel business. It is a variable length format that allows encoding of the following 20 characters: 0123456789-$:/.+ABCD. The first and last digits of a CodaBar message must be A, B, C, or D, and the body of the message should not contain these characters.

Code font 25, also know as "Code 2 of 5", is a discrete, variable-length code format. It refers to the fact that there are two thick bars in a total of five bars for each encoded character. It is used primarily for inventory handling, identification of photo-finishing envelopes, airline ticketing, and baggage and cargo handling.

Code 39 is the most popular format used in the non-retail world. It is used extensively in manufacturing, military, and health applications. This variable-length format will accept the following 44 characters:

0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-.*$/+%. The asterisk (*) is used as the start/stop character and may not be used in the body of the message. 

A check digit may also be added to provide an extra measure of security. Code 39 supports Modulo 43 and 
xxx-nnnnnnn-c check digit formats.

Code font 128 is a varialbe-length, high-density, alphanumeric format. It has 106 different bar and space patterns, and each pattern can have one of three different meanings, depending on which of the three different character sets is employed. One character set encodes all upper case and ASCII control characters; another encodes all uppercase and lowercase characters and the third set encodes numeric digit pairs 00 through 99. The character set that is employed is determined by the start character.

Code 128 also allows encoding of four function codes: FNC1, FNC2, FNC3, and FNC4. FNC1 is reserved for use in European Article Numbering (EAN). FNC2 is used to instruct a bar code reader to concatenate the message in a bar code symbol with the message in the text symbol. FNC3 is used to instruct a bar code reader to perform a reset. FNC4 is used in closed system applications. 

A variation of Code 128 format is EAN 128. EAN 128 uses the same code set as Code 128 except that it does not allow function codes FNC2 to FNC4 to be used in a symbol and FNC1 is used as part of the start code in the symbol. An advanced option of Code 128 in Barcode Wizard permits you to enable or disable EAN 128 format.

EAN-13 is the European version of UPC (A), Uniform Product Code. The difference between EAN-13 and UPC (A) is that EAN-13 encodes a 13th digit into the parity pattern of the left six digits of a UPC (A) symbol. This 13th digit, combined with the 12th digit usually represent a country code.

A supplemental two- or five-digit number may be appended to the main bar code symbol. This is designed for use on publications and periodicals. This number will appear as an additional bar code on the right side of the main bar code.

POSTNET bar codes are the symbols used to encode ZIP codes on U.S. mail. The Postal Service mail-handling process is designed to be fully automated, and POSTNET bar codes provide the symbols that feed the automated equipment. 

POSTNET symbols differ from other formats in that the individual bar height alternates, as opposed to the individual bar width. Each number is represented by a pattern of five bars.

A single tall bar is used for the start and stop bars. POSTNET can be used for five-digit, nine-digit, and 11-digit Delivery Point Barcode. These codes are often used in conjunction with FIM bars which are found on the upper right corner of a mail piece such as Business Reply Mail.

Uniform Product Code (UPC) symbols are used in retail applications. UPC(A) is a 12-digit format. The symbol consists of 11 data digits and one check digit. The first digit is a number-system digit that usually represents the type of product being identified. The following five digits are a manufacturers code, and the next five digits are used to identify a specific product.

Like UPC(A), UPC(E) is used in retail applications; however, since the bar code is physically smaller, it is more suited to smaller items. UPC(E) is also called "zero-suppressed" because UPC(E) compresses a normal 12-digit UPC(A) code into a six-digit code. It suppresses the number-system digit, trailing digits in the manufacturers code, and leading zeros in the product identification part of the code. 

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