Who Developed Area Codes in North America?

The area codes actually amazing! Never knew who develop this system until today. The area codes system was developed by AT&T and Bell Laboratories in 1940s and becomes effective in 1947 and people started using it in 1950's*. it was called North American Numbering Plan (NANP).

In 1947, United States and provinces that had area code we assigned three digit codes with 0 as middle number, such as 305 for Florida, 205 for Alabama, 303 for Colorado etc*.
The first and 3rd digits were decided according to population density in the city or region*. The most populated arrears getting the lowest numbers. For example, New York City area, was assigned 212, while the surrounding suburbs were 315, 518, and 914 and so on.

Related Video

Source: http://www.area-codes.com/area-code-history.asp

Comments

How Many Chemicals are available in a cup of Coffee?

A cup of Coffee has 1000 types of chemical, including antioxidant. Just to mention those chemicals are labeled as "Aroma Chemical Compound", which is capable of stimulating your sense of smell. Now, you probably know when you go to a fragrance store their Sales Associates ask you to smell coffee beans before smelling fragrance or cologne samples. If you are interested planning to own a coffee shop business you may want to Click Here!

Where Was the World's First Fully Equipped Hospital? 🏥

The title of the first fully equipped hospital belongs to two major historical milestones, depending on how you define its features: 370 CE: The Basilias (Caesarea, Modern-Day Turkey) Widely recognized as the world's first true public general hospital . The Setup: Founded by Saint Basil, it was a massive complex with specialized wings, including a general medical hospital, an isolation ward for lepers, an orphanage, and a hospice. The Care: It moved away from purely spiritual healing by hiring a permanent staff of salaried, professional physicians and nurses to treat the public for free. 805 CE: The Baghdad Bimaristan (Modern-Day Iraq) The true blueprint for the integrated modern hospital system , commissioned by Caliph Harun al-Rashid. The Setup: A highly advanced facility divided into distinct medical departments (internal medicine, orthopedics, ophthalmology, and psychiatry) alongside an on-site pharmacy. The Protocol: It pioneered modern administrative standards, requiring...

5 Household Items to Stop Buying in 2026!

We all love a smart home upgrade, but 2026 is all about minimalism, cost efficiency, and skipping the clutter . If you want to protect your wallet and your storage space this year, here are 5 things to cross off your shopping list: 1. Cheap, Proprietary Inkjet Printers Low upfront costs usually hide a massive trap: astronomically expensive ink cartridges equipped with software locks that block third-party brands. The Fact: Over a single year, replacing proprietary ink can easily cost double the original price of the printer. The Alternative: Invest in a monochrome laser printer or a tank-based printer. They cost a bit more upfront but offer incredible page yields and won't dry out. 2. Single-Purpose Kitchen Gadgets From electric avocado slicers to specialized egg-bite cookers, single-use appliances are major space-wasters that are notoriously difficult to clean. The Fact: Professional organizers consistently rank niche kitchen gadgets as a top source of household clutter and bu...

Just Facts

Search This Blog