[] 1 1 line
[] 2 2 or more lines
[] 0 don't have

1 - 1 line - when the household has a single line or number, including an extension to another household, even if there is more than one telephone receiver;
2 - 2 or more lines - when the household has two or more lines or numbers; or
0 - Does not have - When there is no telephone in the household.