A 411 reverse phone service typically costs $1.99 per call plus airtime, before the acknowledgement of geographic location, as of 2015. The popular carriers AT&T, Verizon and Sprint all offer this service.
Though price increases have been seen in the past decade, the current rate is a consistent $1.99 offered by popular carriers. There are several exceptions to the base rate. Various carriers have specific policies, but geographic area is a factor. For example, AT&T charges $1.50 per call plus airtime rather than the original $1.99. In addition, hidden costs such as roaming, long distance charges and state and local taxes apply to the end of month statement. Since 2005, carriers have increased the rate from $1.25 in increments of roughly 20 cents. Roughly $7.9 billion in 411 charges have been made since 2006.