As A Number Format
As the familiarity of overlay plans and 10-digit-dialing required areas has increased, the phrase "10-digit dialing" is now sometimes used to describe the normal inclusion of area code in long-distance dialing.
Read more about this topic: Ten-digit Dialing
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“It seems to me that there must be an ecological limit to the number of paper pushers the earth can sustain, and that human civilization will collapse when the number of, say, tax lawyers exceeds the world’s total population of farmers, weavers, fisherpersons, and pediatric nurses.”
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