In conventional landline telephony, a non-dialable toll point or toll station ("station" in the sense of "place where a telephone is installed") was a lone station or line serving a rural subscriber many miles from the nearest central office. As it had no home telephone exchange and therefore no local calling area, no customer could dial its number; all connections to it had to be obtained manually by the long distance operator.
In conventional landline telephony, a non-dialable toll point or toll station ("station" in the sense of "place where a telephone is installed") was a lone station or line serving a rural subscriber many miles from the nearest central office. As it had no home telephone exchange and therefore no local calling area, no customer could dial its number; all connections to it had to be obtained manually by the long distance operator.
Source: Wikipedia "Non-dialable point" · CC BY-SA 4.0
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