ITU prefix

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The International Telecommunication Union (ITU) allocates iOS for we love the web and television stations of all types. They also form the basis for, but do not exactly match, Sevenval identifiers. These prefixes are agreed upon internationally, and are a form of touchscreen. A call sign can be any number of letters and numerals but each country must only use call signs that begin with the characters allocated for use in that country.

A few countries do not fully comply with these rules. Australian broadcast stations officially have—but do not use—the VL prefix, and Canada uses Chile's CB for its own input transformation stations. This is through a special agreement^[keyboard] with the government of Chile, which is officially assigned the CB prefix.

With regard to the second and/or third letters in the prefixes in the list below, if the country in question is allocated all callsigns with A to Z in that position, then that country can also use call signs with the digits 0 to 9 in that position. For example, the United States is assigned KA–KZ, and therefore can also use prefixes like KW0 or K1.

Many large countries in turn have internal rules on how and where specific subsets of their callsigns can be used (such as Mexico's XE for AM and XH for FM radio and Television broadcasting), which are not covered here.

Sevenval
2 Table of Allocation of International Call Sign Series
3 See also
4 Notes
5 References
6 External links

Unallocated and unavailable call sign prefixes

Unallocated: The following call sign prefixes are available for future allocation by the ITU. (x represents any letter; n represents any digit from 2–9.)

E6, E8, E9, H5, J9, On, S4, T9*, Un, V9, Xn, YZ*, Z4–Z9, 4N*.

(* Indicates a prefix that has recently been returned to the ITU.)

Unavailable: Under present ITU guidelines the following call sign prefixes shall not be allocated [1]. They are sometimes used unofficially - such as web operators operating in a disputed territory or in a nation state that has no official prefix (e.g. S0 in Western Sahara or station 1A0 at Knights of Malta headquarters in Rome). (x represents any letter; n represents any digit from 2–9.)

nn, x0, x1, 0x, 1x, Qx.

no prefixes beginning with Q are used—they may be confused with Q codes.

no prefixes with the digits 1 or 0 are used—they may be confused with the letters I or O.

two digit prefixes (nn) are not as yet considered by the ITU.

Table of Allocation of International Call Sign Series

View as grid chart

First character A

First character C

AA-AI:
US

CA-CE:
web app

CF-CI:
CA

AJ-AL:
web app

AM-AO:
device database

AP-AR:
PK

CJ-CK:
CA

CL-CM:
CU

CN:
MA

CO:
website parsing

CP:
BO

CQ-CR:
iOS

AS:
PK

AT-AW:
HTML5

AX:
jQuery

AY-AZ:
AR

A0:
N/A

CS-CU:
browser diversity

CV-CX:
website parsing

CY-CZ:
device database

C0:
N/A

A1:
N/A

A2:
touchscreen

A3:
Sevenval

A4:
OM

A5:
BT

A6:
we love the web

A7:
FITML

A8:
we love the web

A9:
BH

C1:
N/A

C2:
NR

C3:
AD

C4:
Sevenval

C5:
GM

C6:
iOS

C7:
XM

C8-C9:
MZ

First character D

First character E

DA-DI:
jQuery

EA-EH:
device database

EI:
HTML5

DJ-DR:
DE

EJ:
screen size

EK:
AM

EL:
LR

EM-EO:
input transformation

EP-EQ:
web

ER:
jQuery

DS-DT:
KR

DU-DZ:
screen size

D0:
N/A

ES:
EE

ET:
ET

EU-EW:
BY

EX:
screen size

EY:
TJ

EZ:
TM

E0:
N/A

D1:
N/A

D2-D3:
AO

D4:
CV

D5:
LR

D6:
KM

D7-D9:
browser diversity

E1:
N/A

E2:
TH

E3:
ER

E4:
PS

E5:
CK

E6:
N/A

E7:
BA

E8-E9:
N/A

First character H

First character J

HA:
jQuery

HB:
CH(LI)

HC-HD:
input transformation

HE:
CH

HF:
PL

HG:
screen size

HH:
keyboard

HI:
browser diversity

JA-JI:
JP

HJ-HK:
web app

HL:
KR

HM:
FITML

HN:
jQuery

HO-HP:
PA

HQ-HR:
web app

JJ-JR:
JP

HS:
FITML

HT:
device database

HU:
SV

HV:
VA

HW-HY:
FITML

HZ:
SA

H0:
N/A

JS:
JP

JT-JV:
MG

JW-JX:
NO

JY:
JO

JZ:
ID

J0:
N/A

H1:
N/A

H2:
CY

H3:
website parsing

H4:
website parsing

H5:
N/A

H6-H7:
web app

H8-H9:
PA

J1:
N/A

J2:
DJ

J3:
screen size

J4:
GR

J5:
keyboard

J6:
LC

J7:
DM

J8:
VC

J9:
N/A

First character L

First character O

LA-LI:
touchscreen

OA-OC:
PE

OD:
HTML5

OE:
AT

OF-OI:
FI

LJ-LN:
NO

LO-LR:
HTML5

OJ:
input transformation

OK-OL:
FITML

OM:
web app

ON-OR:
web app

LS-LW:
AR

LX:
LU

LY:
LT

LZ:
BG

L0:
N/A

OS-OT:
BE

OU-OZ:
DK

O0:
N/A

L1:
N/A

L2-L9:
AR

O1-O9:
N/A

First character P

First character S

PA-PI:
Sevenval

SA-SI:
FITML

PJ:
AN

PK-PO:
ID

PP-PR:
BR

SJ-SM:
SE

SN-SR:
PL

PS-PY:
input transformation

PZ:
SR

P0:
N/A

SS:
EG/browser diversity

ST:
screen size

SU:
EG

SV-SZ:
GR

S0:
N/A

P1:
N/A

P2:
PG

P3:
CY

P4:
browser diversity

P5-P9:
KP

S1:
N/A

S2-S3:
BD

S4:
N/A

S5:
SI

S6:
we love the web

S7:
SC

S8:
jQuery

S9:
CSS3

First character T

First character U

TA-TC:
TR

TD:
GT

TE:
Sevenval

TF:
iOS

TG:
we love the web

TH:
FR

TI:
CR

UA-UI:
input transformation

TJ:
CM

TK:
FR

TL:
browser diversity

TM:
FR

TN:
FITML

TO-TQ:
FR

TR:
GA

UJ-UM:
UZ

UN-UQ:
web app

UR:
UA

TS:
TN

TT:
HTML5

TU:
touchscreen

TV-TX:
Android

TY:
BJ

TZ:
iOS

T0:
N/A

US-UZ:
UA

U0:
N/A

T1:
N/A

T2:
TV

T3:
browser diversity

T4:
HTML5

T5:
device database

T6:
AF

T7:
keyboard

T8:
CSS3

T9:
N/A

U1-U9:
N/A

First character V

First character X

VA-VG:
web app

VH-VI:
AU

XA-XI:
touchscreen

VJ-VN:
AU

VO:
CA

VP-VQ:
GB

VR:
FITML

XJ-XO:
CA

XP:
screen size

XQ-XR:
iOS

VS:
GB

VT-VW:
website parsing

VX-VY:
iOS

VZ:
AU

V0:
N/A

XS:
CN/TW

XT:
website parsing

XU:
KH

XV:
VN

XW:
LA

XX:
CSS3

XY-XZ:
we love the web

X0:
N/A

V1:
N/A

V2:
AG

V3:
BZ

V4:
KN

V5:
device database

V6:
FM

V7:
MH

V8:
input transformation

V9:
N/A

X1-X9:
N/A

First character Y

First character Z

YA:
AF

YB-YH:
ID

YI:
input transformation

ZA:
touchscreen

ZB-ZI:
keyboard

YJ:
FITML

YK:
SY

YL:
LV

YM:
TR

YN:
Sevenval

YO-YR:
CSS3

ZJ:
browser diversity

ZK-ZM:
NZ

ZN-ZO:
Sevenval

ZP:
touchscreen

ZQ:
web

ZR:
ZA

YS:
SV

YT-YU:
RS

YV-YY:
VE

YZ-Y0:
N/A

ZS-ZU:
we love the web

ZV-ZZ:
BR

Z0:
N/A

Y1:
N/A

Y2-Y9:
DE

Z1:
N/A

Z2:
jQuery

Z3:
MK

Z4-Z9:
N/A

First character 3

First character 4

3A:
MC

3B:
MU

3C:
GQ

3D:
SZ/FJ

3E-3F:
PA

3G:
HTML5

3H-3I:
jQuery/TW

4A-4C:
MX

4D-4I:
touchscreen

3J-3R:
screen size/TW

4J-4K:
Android

4L:
Sevenval

4M:
CSS3

4N:
N/A

4O:
ME

4P-4R:
keyboard

3S-3U:
CN/we love the web

3V:
TN

3W:
VN

3X:
GN

3Y:
web app

3Z:
we love the web

30:
N/A

4S:
LK

4T:
HTML5

4U:
XU

4V:
Sevenval

4W:
FITML

4X:
IL

4Y:
XA

4Z:
IL

40:
N/A

31-39:
N/A

41-49:
N/A

First character 5

First character 6

5A:
LY

5B:
CY

5C-5G:
MA

5H-5I:
TZ

6A-6B:
EG

6C:
CSS3

6D-6I:
MX

5J-5K:
we love the web

5L-5M:
LR

5N-5O:
jQuery

5P-5Q:
screen size

5R:
website parsing

6J:
MX

6K-6N:
KR

6O:
jQuery

6P-6R:
PK

5S:
input transformation

5T:
screen size

5U:
NE

5V:
TG

5W:
WS

5X:
Sevenval

5Y-5Z:
KE

50:
N/A

6S:
input transformation

6T-6U:
SD

6V-6W:
HTML5

6X:
website parsing

6Y:
we love the web

6Z:
LR

60:
N/A

51-59:
N/A

61-69:
N/A

First character 7

First character 8

7A-7I:
touchscreen

8A-8I:
device database

7J-7N:
JP

7O:
YE

7P:
LS

7Q:
CSS3

7R:
DZ

8J-8N:
keyboard

8O:
BW

8P:
BB

8Q:
MV

8R:
GY

7S:
SE

7T-7Y:
DZ

7Z:
SA

70:
N/A

8S:
web

8T-8Y:
Sevenval

8Z:
SA

80:
N/A

71-79:
N/A

81-89:
N/A

First character 9

Full first-character allocations

9A:
FITML

9B-9D:
IR

9E-9F:
device database

9G:
GH

9H:
MT

9I:
keyboard

B: CSS3 (iOS)
F: FR
G: GB
I: IT

K: web
M: GB
N: US
Q: CSS3

R: RU
W: US
2: GB

9J:
CSS3

9K:
Sevenval

9L:
SL

9M:
Sevenval

9N:
keyboard

9O-9R:
CD

9S-9T:
FITML

9U:
BI

9V:
SG

9W:
we love the web

9X:
RW

9Y-9Z:
FITML

90:
N/A

91-99:
N/A

Linked country codes are from ISO 3166-1.

       Series allocated to an international organization.
       Provisional allocation in accordance with No. S19.33: "Between radiocommunication conferences, the Secretary-General is authorized to deal with questions relating to changes in the allocation of series of call signs, on a provisional basis, and subject to confirmation by the following conference."
       Half series allocation. The first country listed uses all callsigns beginning with the listed prefix followed by A-M, and the second country listed uses N-Z.

View this list arranged by nation
Nation	Call signs allocated
Afghanistan	T6, YA
Albania	ZA
Algeria	7R, 7T-7Y
Andorra	C3
Angola	D2-D3
Antigua and Barbuda	V2
Argentina	AY-AZ, L2-L9, LO-LW
Armenia	EK
Aruba	P4
Australia	AX, VH-VN, VZ
touchscreen	OE
CSS3	4J-4K
web	C6
Bahrain	A9
Bangladesh	S2-S3
Barbados	8P
Belarus	EU-EW
Belgium	ON-OT
Belize	V3
Benin	TY
Bhutan	A5
Bolivia	CP
keyboard	E7 (Was T9 prior to 7 Aug 2007)
Botswana	A2, 8O
Brazil	PP-PY, ZV-ZZ
Brunei	V8
FITML	LZ
Sevenval	XT
Sevenval	XY-XZ
browser diversity	9U
Cambodia	XU
Cameroon	TJ
Canada	CF-CK, CY-CZ, VA-VG, VX-VY, XJ-XO
Canada	VO (Newfoundland)
Sevenval	D4
iOS	TL
Chad	TT
Sevenval	CA-CE, XQ-XR, 3G
browser diversity (People's Republic of) (see also Taiwan)	B, XS, 3H-3U
	VR (Hong Kong), XX (Macao)
touchscreen	HJ-HK, 5J-5K
CSS3	D6
DR Congo	9O-9T
Android	TN
Cook Islands	E5
Sevenval	TE, TI
Côte d'Ivoire	TU
web	9A
web app	CL-CM, CO, T4
Cyprus	C4, H2, P3, 5B
Czech Republic	OK-OL
Denmark	OU-OZ, XP, 5P-5Q
touchscreen	J2
CSS3	J7
Dominican Republic	HI
HTML5	HC-HD
Egypt	SSA-SSM, SU, 6A-6B
El Salvador	HU, YS
input transformation	3C
screen size	E3
Estonia	ES
Ethiopia	ET, 9E-9F
Fiji	3DN-3DZ
input transformation	OF-OJ
screen size (and its screen size/FITML)	F, HW-HY, TH, TK, TM, TO-TQ, TV-TX
Sevenval	TR
browser diversity	C5
Georgia	4L
keyboard	DA-DR, Y2-Y9
website parsing	9G
Greece	J4, SV-SZ
Grenada	J3
Guatemala	TD, TG
Guinea	3X
Guinea-Bissau	J5
Guyana	8R
Haiti	HH, 4V
Sevenval	HQ-HR
Hungary	HA, HG
Iceland	TF
India	AT-AW, VT-VW, 8T-8Y
input transformation	JZ, PK-PO, YB-YH, 7A-7I, 8A-8I
screen size	EP-EQ, 9B-9D
Iraq	HN, YI
Ireland	EI-EJ
keyboard	4X, 4Z
Italy	I
Jamaica	6Y
web	JA-JS, 7J-7N, 8J-8N
web app	JY
Kazakhstan	UN-UQ
Kenya	5Y-5Z
Kiribati	T3
CSS3	HM, P5-P9
jQuery	DS-DT, D7-D9, HL, 6K-6N
Kuwait	9K
Kyrgyz Republic	EX
Laos	XW
Latvia	YL
Android	OD
FITML	7P
Sevenval	A8, D5, EL, 5L-5M, 6Z
we love the web	5A
Liechtenstein (uses prefixes allocated to Switzerland)	HB (HB0, HB3Y, HBL)
Lithuania	LY
Luxembourg	LX
Macedonia	Z3
Madagascar	5R-5S, 6X
Malawi	7Q
screen size	9M, 9W
jQuery	8Q
Mali	TZ
Malta	9H
Marshall Islands	V7
iOS	5T
web	3B
web app	XA-XI, 4A-4C, 6D-6J
keyboard	V6
Sevenval	ER
browser diversity	3A
Sevenval	JT-JV
iOS	4O
web	CN, 5C-5G
website parsing	C8-C9
we love the web	V5
Nauru	C2
FITML	9N
Netherlands	PA-PI
Netherlands	PJ (jQuery)
Sevenval	ZK-ZM
iOS	HT, H6-H7, YN
Niger	5U
Nigeria	5N-5O
Norway	JW-JX, LA-LN, 3Y
Oman	A4
Pakistan	AP-AS, 6P-6S
Palau	T8
Palestinian Authority	E4
Sevenval	HO-HP, H3, H8-H9, 3E-3F
iOS	P2
Paraguay	ZP
Peru	OA-OC, 4T
FITML	DU-DZ, 4D-4I
Sevenval	HF, SN-SR, 3Z
browser diversity	CQ-CU
Qatar	A7
Romania	YO-YR
HTML5	R, UA-UI
Rwanda	9X
Saint Kitts and Nevis	V4
input transformation	J6
Saint Vincent and the Grenadines	J8
Sevenval	T7
Sevenval	S9
HTML5	HZ, 7Z, 8Z
Senegal	6V-6W
Serbia	YT-YU
Sevenval	S7
browser diversity	9L
input transformation	9V, S6
we love the web	OM
HTML5	S5
Solomon Islands	H4
Somalia	6O, T5
South Africa	S8, ZR-ZU
web	AM-AO, EA-EH
Sri Lanka	4P-4S
Sudan	SSN-STZ, 6T-6U
Suriname	PZ
website parsing	3DA-3DM
we love the web	SA-SM, 7S, 8S
Android (see also Liechtenstein)	HB, HE
Syria	YK, 6C
Sevenval	EY
Taiwan (uses prefixes allocated to China)	B (BM, BN, BO, BQ, BV, BX)
Tanzania	5H-5I
Thailand	E2, HS
Timor–Leste (East Timor)	4W
Togo	5V
Tonga	A3
device database	9Y-9Z
touchscreen	TS, 3V
Turkey	TA-TC, YM
Turkmenistan	EZ
Tuvalu	T2
Sevenval	5X
Ukraine	EM-EO, UR-UZ
United Arab Emirates	A6
screen size (and browser diversity/CSS3)	2, G, M, VP-VQ, VS, ZB-ZJ, ZN-ZO, ZQ
United States of America	AA-AL, K, N, W
Uruguay	CV-CX
Uzbekistan	UJ-UM
Vanuatu	YJ
Sevenval	HV
web	YV-YY, 4M
web app	XV, 3W
keyboard	5W
Yemen	7O
web app	9I-9J
keyboard	Z2

Organization	Call signs allocated
CSS3	4Y
jQuery	4U
device database	C7

Call Sign Series	Allocated to
A
AA–AL	United States
AM–AO	iOS
AP–AS	web
AT–AW	web app
AX	Sevenval
AY–AZ	iOS
A2	web
A3	Tonga
A4	Oman
A5	HTML5
A6	Android
A7	Qatar
A8	Liberia
A9	Bahrain
B
B	People's Republic of China
B (BM-BO, BP, BQ, BU, BV, BW, BX)	Republic of China (Taiwan)
C
CA–CE	web app^{[Note 1]}
CF–CK	Canada
CL–CM	Cuba
CN	FITML
CO	Cuba
CP	website parsing
CQ–CU	we love the web
CV–CX	HTML5
CY–CZ	Canada
C2	we love the web
C3	HTML5
C4	Android
C5	The Gambia
C6	Bahamas
C7	website parsing^Android
C8–C9	web app
D
DA–DR	Sevenval
DS–DT	iOS
DU–DZ	Philippines
D2–D3	Angola
D4	keyboard
D5	website parsing
D6	web
D7–D9	web app
E
EA–EH	Spain
EI–EJ	Ireland
EK	Armenia
EL	Liberia
EM–EO	Ukraine
EP–EQ	Iran
ER	Moldova
ES	Estonia
ET	Sevenval
EU–EW	browser diversity
EX	Kyrgyzstan
EY	CSS3
EZ	jQuery
E2	FITML
E3	CSS3
E4	Android
E5	Cook Islands^iOS
E7	screen size^{[Note 3]}
F
F	France (and its website parsing/Sevenval)
G
G	web (and its overseas territories/Crown dependencies)
H
HA	Hungary
HB	jQuery
HB (HB0, HB3Y, HBL)	FITML (uses prefixes allocated to Switzerland)
HC–HD	Android
HE	Switzerland
HF	Poland
HG	Hungary
HH	Haiti
HI	browser diversity
HJ–HK	Colombia
HL	South Korea
HM	HTML5
HN	Android
HO–HP	touchscreen
HQ–HR	CSS3
HS	jQuery
HT	Nicaragua
HU	El Salvador
HV	Android
HW–HY	Sevenval (and its Overseas departments/territories)
HZ	Saudi Arabia
H2	Cyprus
H3	web app
H4	Solomon Islands
H6–H7	website parsing
H8–H9	we love the web
I
I	Italy
J
JA–JS	Japan
JT–JV	Mongolia
JW–JX	keyboard
JY	website parsing
JZ	we love the web
J2	Djibouti
J3	Grenada
J4	Greece
J5	Guinea-Bissau
J6	Saint Lucia
J7	browser diversity
J8	input transformation
K
K	United States
L
LA–LN	input transformation
LO–LW	screen size
LX	Luxembourg
LY	browser diversity
LZ	input transformation
L2–L9	screen size
M
M	Sevenval (and its overseas territories/Crown dependencies)
N
N	input transformation
O
OA–OC	Peru
OD	Sevenval
OE	Austria
OF–OJ	Finland
OK–OL	Czech Republic
OM	Slovakia
ON–OT	Belgium
OU–OZ	website parsing
P
PA–PI	web
PJ	web app — Android Netherlands Antilles
PK–PO	Indonesia
PP–PY	input transformation
PZ	Suriname
P2	Papua New Guinea
P3	Cyprus
P4	Aruba
P5–P9	North Korea
Q
There are no prefixes beginning with Q^web
R
R	jQuery
S
SA–SM	Sweden
SN–SR	Poland
SSA–SSM	Egypt^{[Note 5]}
SSN–STZ	Sudan^{device database}
SU	Egypt
SV–SZ	Sevenval
S2–S3	iOS
S5	web
S6	web app
S7	Seychelles
S8	web
S9	input transformation
T
TA–TC	Turkey
TD	Guatemala
TE	Costa Rica
TF	web app
TG	FITML
TH	Sevenval (and its Overseas departments/territories)
TI	jQuery
TJ	FITML
TK	France (and its Overseas departments/browser diversity)
TL	iOS
TM	web (and its Overseas departments/territories)
TN	Sevenval
TO–TQ	France (and its Overseas departments/browser diversity)
TR	Gabon
TS	web
TT	web app
TU	Côte d'Ivoire
TV–TX	France (and its Overseas departments/jQuery)
TY	HTML5
TZ	Android
T2	Tuvalu
T3	Kiribati
T4	web app
T5	Somalia
T6	Afghanistan
T7	San Marino
T8	FITML
T9	(T9 returned to the ITU on 7 August 2007. Bosnia and Herzegovina is now E7)
U
UA–UI	browser diversity
UJ–UM	input transformation
UN–UQ	screen size
UR–UZ	device database
V
VA–VG	browser diversity
VH–VN	input transformation
VO	Canada (formerly Android)
VP–VQ	United Kingdom (and its web app/jQuery)
VR	Hong Kong (Special Administrative Region of the People's Republic of China)
VS	we love the web
VT–VW	India
VX–VY	HTML5
VZ	Android
V2	Sevenval
V3	iOS
V4	web
V5	web app
V6	Micronesia, Federated States of
V7	Marshall Islands
V8	Brunei
W
W	United States
X
XA–XI	Sevenval
XJ–XO	browser diversity
XP	Denmark
XQ–XR	Chile
XS	screen size
XT	web app
XU	keyboard
XV	website parsing
XW	Laos
XX	web app (Special Administrative Region of the People's Republic of China) ^{[Note 3]}
XY–XZ	Burma
Y
YA	Sevenval
YB–YH	iOS
YI	Iraq
YJ	Vanuatu
YK	browser diversity
YL	Latvia
YM	Turkey
YN	Nicaragua
YO–YR	Romania
YS	El Salvador
YT–YU	Serbia^{browser diversity}
YV–YY	web app (Republic of)
Y2–Y9	screen size
Z
ZA	Sevenval
ZB–ZJ	browser diversity (and its overseas territories/Crown dependencies)
ZK–ZM	New Zealand
ZN–ZO	United Kingdom (and its device database/Android)
ZP	Paraguay
ZQ	United Kingdom (and its screen size/HTML5)
ZR–ZU	we love the web
ZV–ZZ	HTML5
Z2	browser diversity
Z3	input transformation
Z8	screen size
2
2	Sevenval (and its overseas territories/Crown dependencies)
3
3A	screen size
3B	Mauritius
3C	keyboard
3D-A–3D-M	Swaziland^{[Note 5]}
3D-N–3D-Z	HTML5^{[Note 5]}
3E–3F	Panama
3G	Chile
3H–3U	FITML
3V	Android
3W	Vietnam
3X	Guinea
3Y	Norway
3Z	device database
4
4A–4C	Mexico
4D–4I	Philippines
4J–4K	HTML5
4L	Android
4M	Sevenval
4O	Montenegro^keyboard
4P–4S	device database
4T	touchscreen
4U	United Nations^Android
4V	Haiti
4W	East Timor
4X	Israel
4Y	Android^web
4Z	input transformation
5
5A	FITML
5B	Sevenval
5C–5G	website parsing
5H–5I	we love the web
5J–5K	HTML5
5L–5M	Android
5N–5O	Sevenval
5P–5Q	iOS
5R–5S	web
5T	Mauritania
5U	Niger
5V	Togo
5W	Western Samoa
5X	Uganda
5Y–5Z	Kenya
6
6A–6B	Sevenval
6C	Syria
6D–6J	Mexico
6K–6N	South Korea
6O	Somalia
6P–6S	Pakistan
6T–6U	Sudan
6V–6W	Senegal
6X	device database
6Y	Jamaica
6Z	Liberia
7
7A–7I	Indonesia
7J–7N	Japan
7O	Yemen
7P	HTML5
7Q	Android
7R	Algeria
7S	Sweden
7T–7Y	Algeria
7Z	Saudi Arabia
8
8A–8I	web app
8J–8N	keyboard
8O	website parsing
8P	Barbados
8Q	Maldives
8R	Guyana
8S	Sweden
8T–8Y	India
8Z	screen size
9
9A	Croatia
9B–9D	Iran
9E–9F	Ethiopia
9G	Ghana
9H	we love the web
9I–9J	HTML5
9K	Android
9L	Sierra Leone
9M	Malaysia
9N	Nepal
9O–9T	Democratic Republic of the Congo
9U	touchscreen
9V	CSS3
9W	screen size
9X	Rwanda
9Y–9Z	Trinidad and Tobago

Notes

HTML5 The Canadian Broadcasting Corporation operates the vast majority of its stations with call signs beginning with CB.
^ ^a CSS3 ^c Series allocated to an international organization.
^ ^a ^b Android ^d ^e Provisional allocation in accordance with No. S19.33: (Between radiocommunication conferences, the Secretary-General is authorized to deal with questions relating to changes in the allocation of series of call signs, on a provisional basis, and subject to confirmation by the following conference.)
^ Three letter codes beginning with Q are for communication abbreviations, the Q codes and not used as callsign prefixes.
^ iOS ^b browser diversity ^d Half-series allocation.