Before the advent of the internet and smartphones, people relied on various services to obtain the time and temperature. One such service was the phone number for time and temperature, which was widely used across the United States.

The old phone number for time and temperature varied depending on the location and the service provider. However, in general, it was a seven-digit phone number that was easy to remember and dial.
In the United States, one of the most well-known providers of the time and temperature service was the National Institute of Standards and Technology (NIST). NIST is a government agency that maintains the official time standard for the country and provides a time and temperature phone service to the public.
The old phone number for the NIST time and temperature service was 202-762-1401. This number was in use for several decades and was widely recognized by people across the country. When dialed, a recorded message would play, providing the exact time, temperature, and other useful information, such as the time of sunrise and sunset.
However, it’s worth noting that the NIST time and temperature service is no longer available through this phone number. In 2018, NIST announced that it was ending the service due to the availability of time and temperature information on the internet and through other sources. The service was discontinued on December 31, 2018, after serving the public for more than 80 years.
Other providers of the time and temperature service included local telephone companies, radio stations, and newspapers. These services often had their own dedicated phone numbers that varied by location. For example, in New York City, the old phone number for the time and temperature service provided by the local telephone company was 976-1212.
In conclusion, the old phone number for time and temperature varied by location and service provider. However, one of the most well-known providers of the service was the National Institute of Standards and Technology, whose phone number was 202-762-1401. While this number is no longer in use, it remains a nostalgic reminder of a time before the internet and smartphones when people relied on different methods to obtain basic information.