# Area codes

How many 6 digit area codes are possible if the first number can't be zero?

**Correct result:****Showing 0 comments:**

Tips to related online calculators

#### You need to know the following knowledge to solve this word math problem:

## Next similar math problems:

- One half

One half of ? is: ? - Powers

Express the expression ? as the n-th power of the base 10. - Tricolors

From the colors - red, blue, green, black and white, create all possible tricolors. - Medals

In how many ways can be divided gold, silver and bronze medal among 21 contestant? - Olympics metals

In how many ways can be win six athletes medal positions in the Olympics? Metal color matters. - Password dalibor

Kamila wants to change the password daliborZ by a) two consonants exchanged between themselves, b) changes one little vowel to such same great vowel c) makes this two changes. How many opportunities have a choice? - Variations

Determine the number of items when the count of variations of fourth class without repeating is 42 times larger than the count of variations of third class without repetition. - Metals

In the Hockey World Cup play eight teams, determine how many ways can they win gold, silver and bronze medals. - Task of the year

Determine the number of integers from 1 to 10^{6}with ending four digits 2006. - Morse alphabet

Calculate how many words of Morse code to create compiling dashes and dots in the words of one to four characters. - Chess

How many ways can select 4 fields on classic chess board with 64 fields, so that fields don't has the same color? - School committee

7 students was elected to the school committee. In how many ways can the President, Vice-President, Secretary and Treasurer be selected? - Combinatorics

The city has 7 fountains. Works only 6. How many options are there that can squirt ? - PIN - codes

How many five-digit PIN - code can we create using the even numbers? - Cars plates

How many different licence plates can country have, given that they use 3 letters followed by 3 digits? - Bits, bytes

Calculate how many different numbers can be encoded in 16-bit binary word? - Football league

In the 5th football league is 10 teams. How many ways can be filled first, second and third place?