Select Mobile GatewayAircel | IndiaAirtel | Andhra Pradesh, IndiaAirtel | Karnataka, IndiaAlaska Communications | USAAliant | CanadaAlltel (Allied Wireless) | USAVerizon Wireless(Alltel Merger) | USAAmeritech | USAAndhra Pradesh AirTel | IndiaAndhra Pradesh Idea Cellular | Indiaaql | UKAT&T Wireless | USAAT&T Mobility | USAAT&T Enterprise Paging | USAAT&T Global Smart Messaging Suite | USAAU by KDDI | JapanBell Mobility & Solo Mobile | CanadaBellSouth | USABluegrass Cellular | USABluesky Communications | American Samoa, USABoost Mobile | USABouygues Telecom | FranceC Beyond (All Page Wireless) | USACellcom | USACellular One (Dobson) | USACellular South | USACentennial Wireless | USA, Puerto Rico, and the U.S. Virgin IslandsChariton Valley Wireless | USAChennai Skycell / Airtel | IndiaChennai RPG Cellular | IndiaCincinnati Bell | Cincinnati, Ohio, USACingular (Postpaid) | USACingular (GoPhone prepaid) | USAClaro | BrasilClaro | NicaraguaClaro | Puerto RicoCleartalk Wireless | USAComcel | ColombiaCricket | USACSL | Hong KongCTI Mobile (Now Claro) | ArgentinaDelhi Airtel | IndiaDelhi Hutch | IndiaE-Plus | GermanyEdge Wireless | USAElement Mobile | USAEmtel | MauritiusEsendex | UKEsendex | USAEsendex | SpainFido | CanadaFreebie SMS | EuropeGeneral Communications Inc. | Alaska, USAGlobalstar (satellite) | InternationalGlobul | BulgariaGoa Airtel | IndiaGoa BPL Mobile | IndiaGoa Idea Cellular | IndiaGolden State Cellular | California, USAGujarat Idea Cellular | IndiaGujarat Airtel | IndiaGujarat Celforce / Fascel | IndiaHaryana Airtel | IndiaHaryana Escotel | IndiaHawaiian Telcom Wireless | Hawaii, USAHay Systems Ltd (HSL) | UKHelio | South Korea and USAHimachai Pradesh Airtel | IndiaICE | Costa RicaIridium (satellite) | Internationali wireless (T-Mobile) | Midwest, USAi-wireless (Sprint PCS) | USAKajeet | USAKarnataka Airtel | IndiaKerala Airtel | IndiaKerala BPL Mobile | IndiaKerala Escotel | IndiaKoltaka Airtel | IndiaKoodo Mobile | CanadaLoop (BPL Mobile) | Mumbai, IndiaM1 | SingaporeMadhya Pradesh Airtel | IndiaMaharashtra Airtel | IndiaMaharashtra BPL Mobile | IndiaMaharashtra Idea Cellular | IndiaMero Mobile | NepalMeteor | IrelandMetroPCS | USAMobiltel | BulgariaMobitel | Sri LankaMovistar | ArgentinaMovistar | ColombiaMovistar | SpainMovistar | Spain and Latin AmericaMTN | South AfricaMTS Mobility | CanadaMumbai Airtel | IndiaMumbai BPL Mobile | IndiaMy-Cool-SMS | United KingdomNextel | USANextel | MexicoNextel | ArgentinaNTT DoCoMo | JapanO2 | GermanyO2 | USAO2 UK | UKOgVodafone | IcelandOrange Polska | PolandOrange | NetherlandsOrange | United KingdomOrange | USAOzeki | HungaryPagePlus Cellular (Verizon Service) | USAPioneer Cellular | USAPersonal | ArgentinaPocket Wireless | Texas, USAPondicherry BPL Mobile | IndiaPC Telecom | CanadaPunjab Airtel | IndiaQwest Wireless | USARogers Wireless | Canada and USASaskTel | CanadaSetar Mobile email (Aruba) | ArubaSiminn | IcelandSouth Central Communications | USASpikko | IsraelSprint (PCS) | USANextel (Sprint) | USAStraight Talk | USASunrise Communications | SwitzerlandSyringa Wireless | USAT-Mobile | USAT-Mobile (Optus Zoo) | AustraliaT-Mobile | AustriaT-Mobile | CroatiaT-Mobile | GermanyT-Mobile | NetherlandsT-Mobile | United KingdomTamil Nadu Airtel | IndiaTamil Nadu Aircel | IndiaTamil Nadu BPL Mobile | IndiaTele2 | SwedenTelecom New Zealand | New ZealandTeleflip | USATelus Mobility | Canada and USATellusTalk | EuropeTigo (Formerly Ola) | ColombiaTIM | ItalyTracFone (prepaid) | USA, Puerto Rico, and the U.S. Virgin IslandsTxtlocal | UKUnicel | USAUniMobile Corporation | UKUS Cellular | USAUSA Mobility | USAUttar Pradesh West Escotel | IndiaVerizon Wireless | USAViaero | USAVivacom | BulgariaVivo | BrasilVirgin Mobile | CanadaVirgin Mobile | USAVirgin Mobile | United KingdomVodacom | South AfricaVodafone | GermanyVodafone | ItalyVodafone | Chuugoku/Western, JapanVodafone | Hokkaido, JapanVodafone | Hokuriko/Central North, JapanVodafone | Kansai/West, including Osaka, JapanVodafone | Kanto/Koushin/East, including Tokyo, JapanVodafone | Kyuushu/Okinawa JapanVodafone | Skikoku, JapanVodafone | Touhoku/Niigata/North, JapanVodafone | SpainVodafone | United KingdomVodafone | New ZealandWillcom | Japan