Toll-free calls are a convenient way to connect with businesses and organizations without incurring any charge. However, there are several synonyms for this term that can help describe this type of service. One popular alternative is "freephone," which is commonly used in the UK. In the US, the term "800 number" is frequently used to describe toll-free calls since the prefix 800 is used for toll-free numbers. Other synonyms include "free call," "zero cost call," and "no charge call." No matter what you call it, toll-free calls provide an essential service that allows customers to connect with businesses and organizations without worrying about extra charges.