Arguments for MaxiCode bar code symbology
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• A mode 2 postal code can have 0 to 9 digits. Postal codes greater than 9 digits are truncated. For country
code 840 (USA), postal codes of length 5 are padded with 4 zeros.
• A mode 3 postal code can have 0 to 6 alphanumeric characters (any printable character in code set A as
defined in AIM spec). Codes longer than 6 characters are truncated. Codes shorter than 6 characters are
padded with spaces.
• The country code and class of service must each be 3 digits in length, padded with leading zeros, if
necessary.
• For modes 2 and 3, an optional ANSI Message Header (e.g. [)>RS
01GSyy) can be inserted prior to the
postal code (RS
= record separator, ASCII 30; yy is a two-digit year). This message is automatically moved
to the secondary message. Neither a group separator nor a comma should terminate this message.
An optional secondary message follows the class of service for modes 2 and 3. For modes 4, 5, and 6, the
message follows the number-of-labels field.
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