Question

What is the maximum number of alphanumeric characters that a single SMS can have?

Answer 1

Depending on the language you are sending in, SMS text messages are limited to either 70 or 160 characters in length. This is because a standard SMS message can contain a maximum of 1120 bits.

Answer 2

either 70 or 160 characters in length. This is because a standard SMS message can contain a maximum of 1120 bits.