Oklahoma Area Codes – Area Code List & Map

Oklahoma is Officially using 4 Oklahoma Area Codes. In Which 1 Of Them Are Overlay Codes And 2 Of Them Are Split Codes. Oklahoma originally has one area code 405 Which Covers The Entire State, when the numbering system was established in 1947. The most recently added was 539 in 2011 as an overlap of 918. After Increasing Population to meet the demand 3 other Oklahoma Area Codes Are Establish And Today Area Code 918 Are the Most Populated Areas with 1.6 million of the state 3.9 million residents.

Oklahoma Area Codes

Oklahoma Is Currently Utilizing 4 Oklahoma Area Codes Which Are:-

The Regions of Oklahoma is served by the following area codes:

405 – which serves central Oklahoma including Oklahoma City

580 – which serves western and southern Oklahoma

539/918 – which serves northeastern Oklahoma including Tulsa

Changes & History Of Oklahoma Area Codes

In 01/01/1947 – Area code 405 was Set into service. Area code 405 has been divided two times. In 1953 area code 405 was divided to form area code 918. 1997 area code 405 was split to develop area code 580.

In 01/01/1953 – Area code 918 was settled into service. Area code 918 was formulated from a division of area code 405.

In 11/01/1997 – Area code 580 was placed into service. Area code 580 was created from a division of area code 405.

In 04/01/2011 – Area code 539 was seated into service as an overlap of area code 918.

Oklahoma Area Codes

What Is Area Code?

Area code is a three-digit code in which US and other countries are divided. It is Also a local telephone dialing code where They Call each other With These Codes.

Why are area codes added?

When The Current Area Codes Expires Or Increase in the use of cellular phones, modems, and Internet access It Creates Problems. So That why Area Codes Are Added And each area code has a potential capacity of about 8 million unique phone numbers

Process

Once The new Area Codes Rae assigned there is usually a 6 Months Period To Move. At that time Customers Are Encouraged To Use The Code But Seven Digit Dialling is Allowed. After 6 Months customers are required to use the new telephone no.

Also, See other Area Codes

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