--- title: Text Messaging | 800 Support Center description: Set up and manage SMS and MMS conversations. --- [Skip to content](https://support.800.com/en-us/hc/text-messaging#main-content) [![800.com Help Center](https://support.800.com/hs-fs/hubfs/800%20Logo%20Blue.png?width=150&height=26&name=800%20Logo%20Blue.png)](https://www.800.com/) - [Call us (800) 800-4321](tel:+18008004321) - [Sign in](https://support.800.com/hc/en-us/signin) Open main navigation Close main navigation - [Call us (800) 800-4321](tel:+18008004321) - [Sign in](https://support.800.com/hc/en-us/signin) - [Submit a request](mailto:support@800.com) [Submit a request](mailto:support@800.com) 800.com Help Center - There are no suggestions because the search field is empty. 1. [800 Support Center](https://support.800.com/en-us/hc) 2. [Text Messaging](https://support.800.com/en-us/hc/text-messaging) # Text Messaging Set up and manage SMS and MMS conversations. ## Texting/SMS Messaging - [SMS Registration Failure Codes: What They Mean and How to Fix Them](https://support.800.com/en-us/hc/sms-registration-failure-codes-what-they-mean-and-how-to-fix-them) - [Toll-Free and Local Number Verification for SMS Texting - 10DLC](https://support.800.com/en-us/hc/articles/8384749733773-toll-free-and-local-number-verification-for-sms-texting-10dlc) - [Texting basics](https://support.800.com/en-us/hc/articles/360040412452-texting-basics) - [Mass Texting/Campaigns](https://support.800.com/en-us/hc/articles/360043005211-mass-texting-campaigns) - [Why can't I send a regular text message?](https://support.800.com/en-us/hc/why-cant-i-send-a-regular-text-message-without-a-campaign) - [Emojis](https://support.800.com/en-us/hc/articles/360040901531-emojis) - [Keyword spotting](https://support.800.com/en-us/hc/articles/360040468492-keyword-spotting) - 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