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Extended Code 39 Barcode Fonts

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Encoding the Full ASCII Character Set in Code 39

Extended Code 39 Barcodes, Human Readable and Non-Human Readable Extended Code 39 is useful for encoding tabs, returns or lower case letters in a barcode. There are two methods of implementing Extended Code 39; using the Extended Code 39 Font or the Full ASCII Chart with the standard Code 39 Font.

Extended Code 39 is inefficient and the barcodes can get very long for this reason, so please consider using Code 128 or PDF417 if encoding large amounts of extended characters.

Scanning Returns and Tabs:

To create a barcode that scans in 1234 and then a return function, !1234$M! would need to be printed. These can be combined also; for example: !12$I34$M! prints the barcode that scans 12, then a tab, 34 and then a return. Refer to the Full ASCII Chart for other codes.

Note: For extended characters to scan properly, first the scanner must be programmed to accept them.

About Extended Code 39 Barcode Fonts

The Extended Code 39 Barcode Font was developed for users who need to print extended characters as they are on the keyboard. The start and stop character for this font is the asterisk.

This Extended Code 39 is not compatible with IDAutomation Font Tools, and there are additional limitations. For example, to print a space, the ~ character must be used. Since the asterisk is still the start/stop character, /J must be used to scan an actual asterisk. The characters %$/ and + also cannot be read from this font because they are control characters.

To create a readable % character, /E must be used instead. In addition to the space character, several other characters cannot be printed from the keyboard such as tabs and returns. Please review the full ASCII chart at the bottom of this page to encode these characters.

Note: For extended characters to scan properly, first the scanner must be programmed to accept them.

Extended Code 39 Font Character Set

The column ExtC39 Character lists the character that resides at the ASCII location, which can be used to print the corresponding symbol. The column Scans As lists the character that the scanner will scan when it is in extended mode. The ASCII and Unicode columns designate the location in either ASCII or Unicode where the barcode symbol for the character resides.

ExtC39 Character	Scans As	ASCII *	Unicode *	ExtC39 Character	Scans As	ASCII *	Unicode *
space	na	0032	0020	P	P	0080	0050
!	!	0033	0021	Q	Q	0081	0051
"	"	0034	0022	R	R	0082	0052
#	#	0035	0023	S	S	0083	0053
$	control	0036	0024	T	T	0084	0054
%	control	0037	0025	U	U	0085	0055
&	&	0038	0026	V	V	0086	0056
'	'	0039	0027	W	W	0087	0057
(	(	0040	0028	X	X	0088	0058
)	)	0041	0029	Y	Y	0089	0059
*	Start / Stop	0042	002A	Z	Z	0090	005A
+	control	0043	002B	[	[	0091	005B
,	,	0044	002C	\	\	0092	005C
-	-	0045	002D	]	]	0093	005D
.	.	0046	002E	^	^	0094	005E
/	control	0047	002F	_	_	0095	005F
0	0	0048	0030	`	`	0096	0060
1	1	0049	0031	a	a	0097	0061
2	2	0050	0032	b	b	0098	0062
3	3	0051	0033	c	c	0099	0063
4	4	0052	0034	d	d	0100	0064
5	5	0053	0035	e	e	0101	0065
6	6	0054	0036	f	f	0102	0066
7	7	0055	0037	g	g	0103	0067
8	8	0056	0038	h	h	0104	0068
9	9	0057	0039	i	i	0105	0069
:	:	0058	003A	j	j	0106	006A
;	;	0059	003B	k	k	0107	006B
<	<	0060	003C	l	l	0108	006C
=	=	0061	003D	m	m	0109	006D
>	>	0062	003E	n	n	0110	006E
?	?	0063	003F	o	o	0111	006F
@	@	0064	0040	p	p	0112	0070
A	A	0065	0041	q	q	0113	0071
B	B	0066	0042	r	r	0114	0072
C	C	0067	0043	s	s	0115	0073
D	D	0068	0044	t	t	0116	0074
E	E	0069	0045	u	u	0117	0075
F	F	0070	0046	v	v	0118	0076
G	G	0071	0047	w	w	0119	0077
H	H	0072	0048	x	x	0120	0078
I	I	0073	0049	y	y	0121	0079
J	J	0074	004A	z	z	0122	007A
K	K	0075	004B	{	{	0123	007B
L	L	0076	004C	\|	\|	0124	007C
M	M	0077	004D	}	}	0125	007D
N	N	0078	004E	~	Space	0126	007E
O	O	0079	004F

Code 39 Full ASCII Chart

The full 128 ASCII character set can be printed in accordance with ISO 646. This may also be encoded in the Code 39 barcode font using combinations of two symbol characters made up of one of the four Code 39 characters (+ $ % / ) followed by one of the 26 Code 39 barcode alphabetic characters.

Note: The space character cannot be represented in a font at the ASCII location for that character. To resolve this in the Code 39 fonts, IDAutomation has moved the symbol representing the space character to the = character, and in the extended Code 39 fonts, it is moved to the ~ character.

View the Extended Code 39 ASCII Character Table.