SOLUTION: Before 1995, three digit area codes could begin with any number except 0 or 1. The middle number was either 0 or 1, and the last number could be any digit. How many possible area

Question 774048: Before 1995, three digit area codes could begin with any number except 0 or 1. The middle number was either 0 or 1, and the last number could be any digit. How many possible area codes were there? Beginning in 1995, area codes were not limited to having 0 or 1 as the middle number. How many new area codes became available?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Before 1995:
For beginning number,
2,3,4,5,6,7,8, or 9 are allowed
That is 8 digits allowed
--------------------
2 digits are allowed for 2nd number
--------------------
3rd number has 0 through 9 allowed
That is 10 digits allowed
--------------------
There are
possible area codes
===============
Beginning with 1995:
possible area codes
new area codes
made available

RELATED QUESTIONS
In a different plan for area codes, the first digit could be any number from 1 through... (answered by Fombitz,Alan3354,MathTherapy)

in a plan for area codes, the first digit could be any number from 2 through 8, the... (answered by ikleyn)

If you could help me out with this problem i would really appreciate it because i dont... (answered by MathTherapy)

In a plan for area codes , the first digit could be any number from 0 through 6 , the... (answered by fractalier)

until 1995 area codes could not have a first digit of 0 or 1 and the second digit had to... (answered by swincher4391)

In a different plan for area codes a number can be any digit from 1-7 the second number... (answered by stanbon)

In a different plan for area codes the first digit could be any number from 2 through 6... (answered by ikleyn)

until recently U.S. telephone area codes were three-digit numbers whose middle digit was... (answered by oscargut)

How many 5-digit ZIP codes are possible if the first number cannot be 0 and the last... (answered by Fombitz)