It should be as simple to withdraw consent as to give it in the first place. Rules jordan mobile phone numbers database for sending SMS in the US: In the US, both transactional and marketing messages are permitted, but only for subscribers who have specifically chosen to receive them. There are regulations set by the FCC and FTC prohibiting the promotion of some financial items, including loans, debt relief, and credit rehabilitation, in addition to the typical limitations on the promotion of gambling, drugs, alcohol, guns, and adult content.

Any lead-generation initiatives that include disclosing the information gathered to outside parties are also prohibited. All commercial text messages must be two-way, specifically to allow recipients to opt out of receiving further messages. In the US, the majority of companies rent shortcodes - a five or six-digit phone number for their marketing communications. The CTIA developed the Shortcode Monitoring Handbook to enforce SMS best practices. Although it is still feasible to transmit and receive SMS using a ten-digit long number, this is not a common way to send A2P communication due to capacity restrictions.