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MCC: 421 Dial Code: 998 Alphanumeric Sender IDs are supported. No registration is required. Occasionally Alphanumeric Sender ID might be overwritten to Random <a href="https://telnyx.com/products/sms-short-code" rel="nofollow noopener noreferrer" target="_blank">Short Code</a> to ensure delivery. Please make sure to always refer to our <a href="https://support.telnyx.com/en/articles/1310359-acceptable-use-policy-for-messaging">Acceptable Use Policy for Messaging</a>.

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<a href="https://telnyx.com/resources/sms-opt-in" rel="nofollow noopener noreferrer" target="_blank">SMS opt-in guide</a>

<a href="https://telnyx.com/resources/sms-numbers-traffic-types" rel="nofollow noopener noreferrer" target="_blank">SMS number type guide</a>

<a href="https://telnyx.com/resources/hosted-sms-how-to-guide" rel="nofollow noopener noreferrer" target="_blank">Guide to hosted SMS</a>

<a href="https://telnyx.com/resources/CTIA-SMS-guidelines" rel="nofollow noopener noreferrer" target="_blank">Mastering CTIA guidelines</a>

<a href="https://telnyx.com/resources/bulk-sms-guide" rel="nofollow noopener noreferrer" target="_blank">Guide to compliant bulk SMS</a>

<a href="https://telnyx.com/resources/how-to-ensure-compliance-with-sms-regulations" rel="nofollow noopener noreferrer" target="_blank">SMS compliance and regulations</a>

- <a href="https://telnyx.com/products/sms-api" rel="nofollow noopener noreferrer" target="_blank">SMS API</a> product features
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- <a href="https://telnyx.com/pricing/messaging" rel="nofollow noopener noreferrer" target="_blank">Messaging API pricing</a>
- <a href="https://telnyx.com/resources/sms-opt-in" rel="nofollow noopener noreferrer" target="_blank">SMS opt-in guide</a>
- <a href="https://telnyx.com/resources/sms-numbers-traffic-types" rel="nofollow noopener noreferrer" target="_blank">SMS number type guide</a>
- <a href="https://telnyx.com/resources/hosted-sms-how-to-guide" rel="nofollow noopener noreferrer" target="_blank">Guide to hosted SMS</a>
- <a href="https://telnyx.com/resources/CTIA-SMS-guidelines" rel="nofollow noopener noreferrer" target="_blank">Mastering CTIA guidelines</a>
- <a href="https://telnyx.com/resources/bulk-sms-guide" rel="nofollow noopener noreferrer" target="_blank">Guide to compliant bulk SMS</a>
- <a href="https://telnyx.com/resources/how-to-ensure-compliance-with-sms-regulations" rel="nofollow noopener noreferrer" target="_blank">SMS compliance and regulations</a>

SMS Guidelines for Yemen including MCC and Dial Code. Get more messaging details here.

Yemen: SMS Guidelines

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Yemen: SMS Guidelines

SMS Resources for Yemen