405

The 405 area code, steeped in history and geographical significance, plays a vital role in telecommunication for Oklahoma City and its surrounding regions. Historical Significance: The 405 area code is one of the original area codes established in 1947. This early inception places it among the first set of area codes introduced in North America, underlining its longstanding role in the telecommunication landscape of Oklahoma​​​​. Geographical Coverage: Initially, the 405 area code encompassed the entire state of Oklahoma. However, due to increasing phone number demands, it underwent splits in 1953 and 1997, leading to the creation of new area codes (918 and 580, respectively). Currently, it primarily serves the central portion of Oklahoma, including major cities such as Oklahoma City, Norman, Edmond, Stillwater, and Shawnee, as well as 17 counties like Oklahoma County, Cleveland County, and Payne County​​​​​​. Population and Phone Numbers: Today, the 405 area code covers approximately 7,330,000 unique phone numbers and serves around 1,179,759 individuals. This extensive coverage reflects its critical role in the daily communication needs of a significant portion of Oklahoma's population​​. In conclusion, the 405 area code is more than just a series of digits; it's a symbol of Oklahoma's rich history and a vital component of its communication infrastructure, connecting a diverse and dynamic region. Its evolution over the years mirrors the growth and changes in Oklahoma's telecommunication needs and demographics.