10DLC: US Long numbers

How do I enter the tax ID correctly for my country?

What is 10DLC?

I am using a long number already. Do I still need to switch?

I am using a short code to deliver messages. Do the 10DLC regulations apply to me?

Why is 10DLC being introduced?

What is the Campaign Registry?

How does A2P 10DLC registration work?

How many Brands and Campaigns can I create?

How long does it take to register a 10DLC number?

What are the messaging throughput limits for 10DLC Campaigns?

Why can’t I purchase a new US 2-way SMS package on my Developer Central account?

What are the fees associated with A2P 10DLC service registration?

What are the different supported Campaign Types and Use Case Categories for 10DLC registration?