- Long codes (A2P 10DLC)
- Short codes
- Toll-Free numbers
Toll-Free Number is more practical
One may want to look for other providers for a better experience, however, after a day of searching, most providers are somewhat similar. Although have slight variance in the structure of registration/verification details needed, the key components remain.
Whichever provider you use, Toll-Free Message Verification is the way to go for non-US parties.