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Listening for Specific Information: Numbers It is necessary for us to listen for specific words that contain the information we need. This exercise focuses on one kind of required information — numbers. You can identify a zip code by listening out for a number that comes either right before or right after the name of a city or country. The numbers are usually read individually . For example, the American zip code 33671 would be read as three-three-six-seven-one . When discussing money , numbers will usually be read in blocks of three digits . If cents are involved, the word “and” is added before their value. For example: $168.91 will be read as one hundred sixty-eight dollars, and ninety-one cents. $1,168,910 will be read as one million one hundred sixty-eight thousand nine hundred ten dollars .