# Hmmm

**URL:** <https://boards.straightdope.com/t/hmmm/37254>\
**Category:** Factual Questions\
**Created:** [October 17, 2000, 1:50pm UTC](https://boards.straightdope.com/t/hmmm/37254 "2000-10-17T13:50:48Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Stupendous\_man](https://avatars.discourse-cdn.com/v4/letter/s/a8b319/32.png) [@Stupendous\_man](https://boards.straightdope.com/u/Stupendous_man)\
**Post date:** [October 17, 2000, 1:50pm UTC](https://boards.straightdope.com/t/hmmm/37254/1 "2000-10-17T13:50:48Z")

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I doubt that we will ever run out of phone numbers. Once we have used up ALL of the 7-digit numbers, they will just add another digit to the system.

I recall hearing that back in the earlier days of phone, there were fewer than 7 digits… I might be wrong though.

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**Author:** ![Stupendous\_man](https://avatars.discourse-cdn.com/v4/letter/s/a8b319/32.png) [@Stupendous\_man](https://boards.straightdope.com/u/Stupendous_man)\
**Post date:** [October 17, 2000, 1:52pm UTC](https://boards.straightdope.com/t/hmmm/37254/2 "2000-10-17T13:52:31Z")

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Sorry folks. This should be in the “Area codes” thread…