| A | B |
|---|
| alphabetical | arranged in order by the letters of the alphabet |
| area code | the three digits at the beginning of a phone number that indicate what part of the country a person or business is located: when dialing a phone number outside their local area, people must dial a "1" and the area code before the phone number |
| blue pages | a section of the phone book that lists phone numbers and addresses of government offices |
| business | a company that sells something or provides a service ( for example, a store, a restaurant, or a doctor's office) |
| emergency | a serious situation that requires help right away |
| non-emergency | a situation that requires help, but not right away |
| operator | an employee of the phone company who answers questions about phone service and phone numbers |
| residence | the place a person lives: a person's home |
| white pages | a section of the phone book that lists phone numbers and addresses of people and businesses |
| yellow pages | a section of the phone book that is divided by subject and gives information about different businesses |
| zip code | (abbreviation for Zone Improvement Plan Code) a number that helps postal workers sort mail; each post office is assigned at least one unique number |
