Afghanistan
Afghan Telecom
Wasel

Algeria
Mobilis

Angola
Movicel (please contact your service provider to verify if the have switch to GSM)

Argentina
CoTeCal
Nextel

Aruba
MIO

Azerbaijan
Aztrank

Bangladesh
Citycell
RanksTel

Bermuda
CellularOne
M3 Wireless

Brazil
Nextel

Brunei Darussalam
B-mobile
Progresif Cellular
TelBru

Cambodia
Seatel

Cameroon
YooMee

Canada
MTS

Chile
WOM

China
China Telecom

Colombia
Avantel

Democratic Republic of Congo
Tatem Telecom

Denmark
Net 1

Dominican Republic
Tricom

Ecuador
CNT

Ethiopia
Ethiotelecom

Gambia
Gamtel

Georgia
Silknet

Ghana
Expresso Telecom

Gibraltar
Cts Mobile

Ghana
Expresso Telecom

Guam
Docomo Pacific

Iceland
Nova

India
MTS
Reliance

Indonesia
Smartfren
Esia

Iraq
Omnnea

Israel
Pelephone
Rami Levy Communication

Japan
NTT docomo
Au
SoftBank
Y!Mobile
eAccess
Disney Mobile
B-Mobile

Kazakhstan
Altel

Kenya
Flashcom
Popote 

Kyrgyzstan
Fonex
Katel
Nexi
Sapat Mobile

Latvia
Triatel

Luxembourg
LOL Mobile

Macau
China Telecom

Madagascar
Telma

Malawi
Access Communications
TNM

Malaysia
U Mobile
Buzz me
FRiENDi Mobile
Telin Malaysia
YS mobile 

Malta
Melita

Mauritius
MTML

México
Nextel

Moldova
Unité
Interdnestrcom

Mongolia
Skytel
G-Mobile 

Morocco
Inwi

Myanmar
MPT
Ooredoo

New Zeland
Telecom
Spark
Slingshot
Skinny

Nigeria
Bourdex
Multilinks
NITEL
Odu’a Telecom
Starcomms
Visafone
Zoom

North Korea
Koryonlink

Northern Mariana Islands
Docomo Pacific
IT&E

Perú
Entel

Puerto Rico
Open Mobile

Romania
DigiMobil

Russian Federation
Sotel
Tula
Comstar

Sierra Leone