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Original
2026-01-01
Modified
2026-03-10
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<p>A<strong>long code</strong>, also known as a long number, is a standard 10-digit<a>phone number</a>used to send and receive messages.</p>
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<p>A<strong>long code</strong>, also known as a long number, is a standard 10-digit<a>phone number</a>used to send and receive messages.</p>
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<p>Brands may opt to use long codes to send and receive SMS messages, but they may also use<a>toll-free numbers</a>,<a>branded sender IDs</a>, or<a>short codes</a>. Here are some high-level differences between these types of numbers:</p>
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<p>Brands may opt to use long codes to send and receive SMS messages, but they may also use<a>toll-free numbers</a>,<a>branded sender IDs</a>, or<a>short codes</a>. Here are some high-level differences between these types of numbers:</p>
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<h2>Long codes vs. branded sender IDs</h2>
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<h2>Long codes vs. branded sender IDs</h2>
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<p>Branded sender IDs aren’t just a string of numbers. Instead they can use letters and numbers to represent your brand. For example, the brand SWAK Lipcare could make their branded sender ID: SWAKLipcare.</p>
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<p>Branded sender IDs aren’t just a string of numbers. Instead they can use letters and numbers to represent your brand. For example, the brand SWAK Lipcare could make their branded sender ID: SWAKLipcare.</p>
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<p>Branded sender IDs differ from long codes in the following ways:</p>
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<p>Branded sender IDs differ from long codes in the following ways:</p>
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<ol><li>Long codes are 10-digit numbers, without the possibility of including letters.</li>
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<ol><li>Long codes are 10-digit numbers, without the possibility of including letters.</li>
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<li>Branded sender IDs can’t receive SMS, whereas long codes are suitable for two-way and<a>conversational SMS</a>.</li>
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<li>Branded sender IDs can’t receive SMS, whereas long codes are suitable for two-way and<a>conversational SMS</a>.</li>
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<li>MMS is supported for long codes in Australia only, whereas MMS isn’t supported for branded sender IDs anywhere.</li>
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<li>MMS is supported for long codes in Australia only, whereas MMS isn’t supported for branded sender IDs anywhere.</li>
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</ol><p><strong>Important note:</strong>Klaviyo no longer offers long codes in the US and Canada. In those countries, Klaviyo offers<a>short codes</a>and toll-free numbers. In the UK, Australia, and Ireland, Klaviyo supports country-specific long codes -so if you’re outside of the US and Canada, a long code may be an option for you.</p>
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</ol><p><strong>Important note:</strong>Klaviyo no longer offers long codes in the US and Canada. In those countries, Klaviyo offers<a>short codes</a>and toll-free numbers. In the UK, Australia, and Ireland, Klaviyo supports country-specific long codes -so if you’re outside of the US and Canada, a long code may be an option for you.</p>
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<p><a>Sign up for Klaviyo</a>to start growing your SMS list today.</p>
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<p><a>Sign up for Klaviyo</a>to start growing your SMS list today.</p>
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