Bulgaria: SMS Guidelines

MCC: 284
​Dial Code: 359
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​Alphanumeric Sender IDs are partially supported. Registration is not possible.

Towards networks Vivacom 24803 and Telenor 24805, Alphanumeric Sender IDs will be maintained.
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Alphanumeric Sender IDs will be overwritten to a random Local Long Code, Short Code or generic Alphanumeric Sender ID to ensure delivery towards network A1 28401 .
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Please make sure to always refer to our Acceptable Use Policy for Messaging.