423 Area Code

Get a Chattanooga, Tennessee phone number

A 423 phone number is related to Chattanooga, Tennessee. Phoner: Second Phone Number, allows you to set up multiple phone numbers in minutes for any US area code that you need a number for. With Phoner you use your current mobile device so there’s no need to change your permanent address, purchase a new phone, or carry multiple mobile devices around with you. Perfect for your small business, dating communication, or buying and selling goods online.

Get your new area code 423 phone number today with Phoner on iOS, Android, or desktop. Download and start texting, calling, recording phone calls, or using caller ID lookup.

Tennessee map showing location of area code 423 within the state

423 Phone Number





Major City:


The 423 area code is in Tennessee, United States.

Area code 423 is in the Eastern time zone (UTC -5).

This area code covers eastern Tennessee and serves Chattanooga, Johnson City, and Kingsport

Nearby counties:

Tennessee's 423 area code serves the following counties: Hamilton, Sullivan, Washington, Greene, Carter, and Hawkins

Other nearby area codes includes:

Area Code 276 - Bristol

Area Code 606 - Ashland

Area Code 828 - Asheville

Area Code 864 - Greenville

Area Code 865 - Knoxville

Area Code 931 - Clarksville

Area Code 256/938 - Huntsville

Area Code 270/364 - Bowling Green

Area Code 336/743 - Greensboro

Area Code 615/629 - Nashville

Area Code 704/980 - Charlotte

Area Code 706/762 - Augusta

Area Code 803/839 - Columbia

History of 423

Area Code

The Tennessee 423 area code was introduced in 1995 for eastern Tennessee

Things To Do Near

Area Code 423

There are many activities for locals + visitors to see and do in the 423 area code (Chattanooga County).

Things to do in Chattanooga, Tennessee tend to includes Lookout Mountain (Chattanooga), Tennessee Aquarium (Chattanooga), Chattanooga Riverwalk and much more.

Lookout Mountain (Chattanooga)

Explore Lookout Mountain in Chattanooga, offering panoramic views, hiking trails, and attractions like Rock City and Ruby Falls.

Tennessee Aquarium (Chattanooga)

Visit the Tennessee Aquarium in Chattanooga, featuring a diverse range of marine life, interactive exhibits, and IMAX films.

Chattanooga Riverwalk

Enjoy a leisurely stroll or bike ride along the scenic Chattanooga Riverwalk, which runs along the Tennessee River.


in Chattanooga

Some of the universities, colleges, higher education establishments in area code 423 are:

University of Tennessee at Chattanooga

East Tennessee State University

Chattanooga State Community College

This is not an exhaustive list, there are additional schools that may not be included

Why do people sign up for a virtual 423 number with Phoner?

People sign up for 423 virtual US phone numbers for a number of reasons.

For business

To be seen as local vendors - local numbers are more trustworthy than out-of-state phone numbers

For marketing purpose

So customers can remember their numbers easily or to be seen as local vendors as local numbers are more trustworthy than out-of-state phone numbers


To give online dating matches a 2nd phone number until they’ve gone on a date and trust each other

To buy and sell goods

For Craigslist, Facebook, eBay purchases or sales so that people don’t have your personal information and don’t bother you after the sale or purchase has been made

Nearby Codes

Frequently asked questions about local numbers

Can I buy a local 423 Tennessee phone number?

Yes you can. To purchase a 423 number, download Phoner here, select a ‘United States’ number followed by ‘Tennessee’ as the state. Once you have chosen an area code you can choose a number of your choice. Once you have selected a number to make calls or send texts you can subscribe and enjoy a 3 day free trial.

What are the other Tennessee local area codes?

You can find the Tennessee local area codes here.

Can I port my existing 423 number to Phoner?

Yes, you can port your 423 number to Phoner. We are working on an automated process, for now please email our support team so they can manually port your number.

Why Use Phoner

Phoner allows you to purchase and activate multiple phone numbers across the US without the need for multiple phones. Get a second phone number for area code 423 - whether it’s a business phone number, dating phone number, or a phone number for buying & selling goods on Craigslist, Facebook, eBay. Select the area code 423 and start texting or calling today.