noun
Etymology: so called from its designation of major subdivisions of the territory of the United States
: a 3-digit code used in dialing long-distance telephone calls
noun
Etymology: so called from its designation of major subdivisions of the territory of the United States
: a 3-digit code used in dialing long-distance telephone calls
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012