History of the 423 Area Code

The 423 location code turned into hooked up in 1995 as a cut up from the authentic 615 place code. At that point, the call for for telephone numbers had outgrown the capability of the 615 vicinity code. The 423 region code covers a place of approximately 14,000 rectangular miles and serves more than 2 million people. 

The 423 area code is a North American telephone area code that covers the eastern region of the state of Tennessee in the United States. It was created on September 11, 1995, in a split from area code 615. The 423 area code includes the cities of Chattanooga, Johnson City, Kingsport, and Bristol, as well as a number of smaller towns and communities in the region.

Cities and Towns in the 423 Area Code

The 423 area code covers a large area in eastern Tennessee, including parts of the Appalachian Mountains. Here are some of the major cities and towns included in the 423 area code:





Johnson City



Oak Ridge


In addition to these larger cities, the 423 area code also includes a number of smaller towns and communities throughout the region.

How to Call Within the 423 Area Code

If you’re making a call within the 423 area code, you only need to dial the 7-digit phone number. For example, if you’re calling the Chattanooga area, you would dial the area code followed by the 7-digit phone number.

Location of the 423 Area Code

The 423 vicinity code covers a huge part of southeastern Tennessee, together with the towns of Chattanooga, Knoxville, and Johnson City. The vicinity code additionally covers many smaller towns and groups, which includes Athens, Cleveland, Greeneville, Morristown, and Soddy-Daisy.The 423 area code is located in the eastern portion of Tennessee and covers a large geographic area, including several major cities and counties. The cities covered by the 423 area code include Chattanooga, Johnson City, Kingsport, Cleveland, and Morristown. The counties covered by the 423 area code include Bradley, Hamilton, Sullivan, Carter, and Washington.

Getting a Phone Number with the 423 Area Code

If you are a enterprise proprietor or resident in southeastern Tennessee, you could need to get a phone number with the 423 area code. There are several approaches to get a telephone quantity with this vicinity code. You can contact a local telecommunications provider, inclusive of AT&T, Verizon, or Spectrum, and request a telephone wide variety with the 423 place code. You can also search on-line for a virtual phone wide variety company that offers the 423 region code.

Benefits of a 423 Area Code Phone Number

Having a telephone wide variety with the 423 vicinity code can offer several benefits for your commercial enterprise. For instance, in case you are based totally in southeastern Tennessee, having a local smartphone quantity assist you to set up a nearby presence and make it less difficult for customers to attain you. It can also make it simpler for customers to keep in mind your phone variety.

How to Call From Outside the 423 Area Code

If you’re calling a phone number within the 423 area code from outside the area, you’ll need to include the area code. To do this, dial the exit code of the country you’re calling from, followed by the United States country code (1), followed by the 423 area code, and finally the 7-digit phone number.

For example, if you’re calling a number in Chattanooga from Canada, you would dial 011 (the exit code for Canada), followed by 1 (the US country code), followed by 423, and finally the 7-digit phone number.

423 Area Code Scams

As with any area code, it’s important to be aware of potential scams that may target the 423 area code. Some common phone scams include:

The IRS scam: Someone claiming to be from the IRS calls and demands payment for back taxes, threatening legal action if payment isn’t made immediately.

The tech support scam: Someone claiming to be from a well-known tech company (such as Microsoft) calls and tells you that your computer is infected with a virus or malware. They then offer to fix the problem for a fee.

The grandparent scam: Someone claiming to be a grandchild in trouble calls and asks for money to help them out of a difficult situation.

If you receive a call that seems suspicious, be cautious and do not give out personal information or payment unless you are sure it is legitimate.

Frequently Asked Questions (FAQs)

  • Can I keep my modern-day telephone range if I flow to the 423 region code?
  • Yes, you may keep your contemporary cellphone wide variety if you flow to the 423 location code. However, you can want to update your touch information with your service provider.
  • What are some other location codes in Tennessee?
  • Other location codes in Tennessee include 615, 731, 865, and 931.
  • Can I get a toll-free range with the 423 region code?
  • No, the 423 place code isn’t available for toll-free numbers. Toll-loose numbers have their personal set of area codes, including 800, 888, 877, and 866.
  • What is the time sector for the 423 area code?
  • The 423 place code is positioned inside the Eastern Time Zone.
  • How do I record a trouble with my 423 location code cellphone variety?
  • If you are experiencing problems together with your 423 vicinity code smartphone variety, you could contact your provider provider’s customer service group for help.


The 423 area code is an crucial part of southeastern Tennessee’s telecommunications infrastructure. Whether you are a enterprise owner or resident in this vicinity, knowledge the history and vicinity of the 423 region code allow you to stay related with your clients and network. By following the hints and information supplied on this guide, you may get a telephone range with the 423 vicinity code and revel in the benefits of getting a nearby phone wide variety.In addition to standard phone usage, the 423 area code is also used for fax numbers, pager numbers, and other types of communication services. It is important to note that long-distance calls outside the 423 area code may incur additional charges, depending on your phone service provider and plan.

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