How much does it cost for each additional message or pin drop if you exceed those allowed in your service plan?

Each additional pin drop is approximately 8 cents USD once you exceed your plan's allocation. For Plan Ultralight it is approximately 16 cents per pin drop. Approximately, you can send 7-8 pin drops for the cost of one message.

The cost associated with additional messages and pin drops once you exceed your data plan is not equivalent to the cost of messages and pin drops within your data plan limits.