Exhaust date
Encyclopedia
In telecommunications, an exhaust date refers to the date at which an area code will run out of numbers due to growth in the number of subscribers.
Projected exhaust dates have been moved up in recent years as population growth
has been augmented by subscribers purchasing more devices (e.g. cellular phones
) requiring dedicated phone numbers
.
Projected exhaust dates have been moved up in recent years as population growth
Population growth
Population growth is the change in a population over time, and can be quantified as the change in the number of individuals of any species in a population using "per unit time" for measurement....
has been augmented by subscribers purchasing more devices (e.g. cellular phones
Mobile phone
A mobile phone is a device which can make and receive telephone calls over a radio link whilst moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile network operator...
) requiring dedicated phone numbers
Telephone number
A telephone number or phone number is a sequence of digits used to call from one telephone line to another in a public switched telephone network. When telephone numbers were invented, they were short — as few as one, two or three digits — and were given orally to a switchboard operator...
.