# Why Can’t I Receive SMS Verification Codes Binance continuously improves our SMS Authentication coverage to enhance user experience. However, there are some countries and areas currently not supported.If you cannot enable SMS Authentication, please refer to our [Global SMS coverage list](https://www.binance.com/en/support/faq/115003783991) to check if your area is covered. If your area is not covered on the list, please use Google Authentication as your primary two-factor authentication instead. You may refer to the following guide: [How to Enable Google Authentication (2FA)](https://www.binance.com/en/support/faq/115000433432) .If you have enabled SMS Authentication or you are currently residing in a country or area that’s in our Global SMS coverage list, but you still cannot receiving SMS codes, please take the following steps: * Ensure that your mobile phone has a good network signal. * Disable your anti-virus and/or firewall and/or call blocker apps on your mobile phone that might potentially block our SMS Codes number. * Restart your mobile phone. * Try voice verification instead. * Reset SMS Authentication, please refer to [here](https://www.binance.com/en/support/faq/360002335971). --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.futuregold.us/binance-education/two-factor-authentication/why-cant-i-receive-sms-verification-codes.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.