If you no longer wish to receive SMS messages from any Gmail user, you can text 'STOP' to the system number of your carrier. When you text 'STOP' you will receive a message confirmation and you will no longer receive SMS messages from any Gmail user. To reactivate the service text 'START' to the system number.
| Country | Operator | System message number |
|---|---|---|
| Afghanistan | Afghan Wireless Communication Company | 2125000 |
| Afghanistan | Etisalat | 8080000 |
| Afghanistan | Roshan | 4664000 |
| Algeria | Mobilis | +213660400000 |
| Algeria | Nedjma | +213558996000 |
| Angola | Movicel telecomunicações, SA. | 910110000 |
| Angola | Unitel | 46645 000 |
| Bahrain | Viva | 87700000 |
| Bahrain | Zain | 94004000 |
| Bangladesh | Airtel | 26174000 |
| Bangladesh | Banglalink | 3234000 |
| Bangladesh | Citycell | 3232000 |
| Benin | ETISALAT Bénin | +22995650000 |
| Botswana | Orange | 72187000 |
| Burkina Faso | Airtel | 801000 |
| Cambodia | Beeline | 4664000 |
| Cambodia | Cell Card | 95400000 |
| Cambodia | Smart | 1000000 |
| Cameroon | MTN | 8741000 |
| Cameroon | Orange | 23798008001 |
| Congo, Brazzaville | Airtel | +242055822000 |
| Congo, Brazzaville | MTN | +242065098000 |
| Congo, Democratic Republic | Airtel | 75100 |
| Congo, Democratic Republic | Vodacom | +243822063000 |
| Cote D'Ivoire | Moov Cote d’Ivoire | 41918000 |
| Cote D'Ivoire | MTN | 4442000 |
| Cote D'Ivoire | Orange | 2258200 |
| Egypt | Mobinil | 34000 |
| Ghana | MTN | 1980000 |
| Ghana | Tigo | 8000 |
| Ghana | Vodafone | 464000 |
| Ghana | Zain Ghana | 5000 |
| Guam | iConnect Buddy | 500000100 |
| Guinea | Cellcom Guinea | 10000 |
| Guinea | Orange | 4664000 |
| Guinea Bissau | Orange | 5001000 |
| India | All mobile operators | +918082801060 |
| Indonesia | AHA | 466000 |
| Indonesia | Axis | 71000 |
| Indonesia | Esia | 466000 |
| Indonesia | Indosat | 367000 |
| Indonesia | Smartfren | 4664000 |
| Indonesia | Telkomsel | 4664000 |
| Indonesia | Tri | 4665000 |
| Indonesia | XL | 94640000 |
| Iraq | Korek | 6363000 |
| Iraq | Omnea | 800000 |
| Iraq | Zain | 2601000 |
| Israel | Orange | 1000100 |
| Israel | Pelephone | 10000 |
| Jordan | Orange | 775893100 |
| Jordan | Umniah | 99813000 |
| Jordan | Zain | 909070000 |
| Kazakhstan | Beeline | 764000 |
| Kazakhstan | Kcell/Activ | 30000 |
| Kenya | Airtel | +254786100000 |
| Kenya | Orange | 10000 |
| Kenya | Safaricom | +254700999000 |
| Kenya | Yu | +254754001002 |
| Kuwait | Viva | 5078000 |
| Kuwait | Wataniya | 1971000 |
| Kuwait | Zain | 898000 |
| Kyrgystan | Megacom | 46245000 |
| Lao | ETL PUBLIC COMPANY | 2000000 |
| Liberia | Cellcom | 8000 |
| Liberia | Lonestar Cell MTN | 888125000 |
| Madagascar | Airtel | 243000 |
| Madagascar | Orange | 0326893000 |
| Madagascar | Telma | 1000 |
| Malawi | Airtel | +265 991903000 |
| Malawi | TNM | 80000 |
| Malaysia | Celcom | 22662000 |
| Malaysia | DiGi | 222350000 |
| Malaysia | Maxis | 26006000 |
| Maldives | Dhiraagu | +9604664000 |
| Maldives | Wataniya | 4645000 |
| Mali | Orange | 79500001 |
| Morocco | inwi | 333000 |
| Mozambique | mcel | 821012000 |
| Mozambique | Vodacom | 841800000 |
| Niger | Airtel | 410000 |
| Niger | Moov | +22794470000 |
| Niger | Orange | 91994968 |
| Nigeria | Airtel | 08021600000 |
| Nigeria | Etisalat | 44000 |
| Nigeria | Glo | 20202001 |
| Nigeria | MTN | 40500 |
| Nigeria | Starcomms (CDMA) | 33166000 |
| Nigeria | Visafone | 610000 |
| Oman | Nawras | 90904000 |
| Pakistan | Mobilink | 2434000 |
| Pakistan | Telenor | 5200000 |
| Pakistan | Ufone | 4664000 |
| Pakistan | Warid | 2434000 |
| Palestinian Terr. | Jawwal | 972597912200 |
| Palestinian Terr. | Wataniya Mobile الوطنية موبايل | 5000 |
| Philippines | Globe | 2662000 |
| Philippines | Smart | 4664000 |
| Philippines | Sun Cellular | 22020000 |
| Saudi Arabia | Mobily | 611011000 |
| Saudi Arabia | STC | 88555000 |
| Saudi Arabia | Zain | 710466000 |
| Senegal | Orange | +221774699000 |
| Senegal | Tigo | 22408000 |
| Seychelles | Airtel | 9694000 |
| Sierra Leone | Airtel | +23276121500 |
| Sierra Leone | Comium | 600000 |
| Somalia | Somtel | 9050000 |
| Somalia | Telesom | 7000 |
| South Africa | 8ta | 081160061300000 |
| South Africa | MTN | 27839300613000 |
| Sri Lanka | Dialog | 4664000 |
| Sri Lanka | Etisalat | 103200000 |
| Sri Lanka | Mobitel | 89000000 |
| Tanzania | Tigo | 46000 |
| Tanzania | Vodacom | 255766790000 |
| Thailand | DTAC | 42662000 |
| Thailand | True Move | 47640001 |
| Togo | Moov Togo | 99720000 |
| Tunisia | Orange | 871818100 |
| Tunisia | Tunisiana | 871222000 |
| Turkey | Avea | 4666000 |
| Uganda | Airtel | 148000 |
| Uganda | MTN | 0902801000 |
| Uganda | Orange Uganda | +256790791500 |
| Uganda | Uganda Telecom | +256715887000 |
| Ukraine | Intertelecom | 0944004000 |
| Uzbekistan | Beeline | 466000 |
| Uzbekistan | MTS Uzbekistan | 40000 |
| Uzbekistan | Ucell | 45000 |
| Vietnam | VinaPhone | 9666000 |
| Zambia | Airtel | 3223000 |
| Zambia | MTN | 340000 |
| Zambia | Zamtel | +2603566000 |