423 area code - Get a Chattanooga, Tennessee local phone number

Get an area code 423 number for your business with OpenPhone. OpenPhone gives you a local business phone number across the US and Canada, including area code 423. No extra hardware is necessary through OpenPhone — easily add a new virtual number to your existing smartphone, tablet, or computer to start calling and texting through a simple, modern app. Then customize your phone settings in minutes to streamline your communication.

Pricing for a 423 number starts at just $13 per user per month with OpenPhone.

423 phone number
title shape

A local phone number can help a business grow its credibility with customers on their own turf. It helps you stay accessible to customers who are more likely to answer your calls, and who feel confident they’re reaching a trusted partner — and not an anonymous national corporation. A local number can be the key to loyal customers in area code 423.

If you’re targeting local customers, developing your presence in an area code is the start of your business journey. Are you just getting to know the lay of the land? Here are some important facts about area code 423:

This area code covers cities including: two discontiguous portions of East Tennessee: Bristol, Johnson City, Kingsport, etc., in the northeast; and Chattanooga, Cleveland, Philadelphia, and McMinnville in the southeast. Its major city is Chattanooga, which has a population of 181,099 people.

The 423 area code touches 26 other counties: Hamilton, Sullivan, Washington, Bradley, Greene, Hamblen, Carter, Hawkins, McMinn, and Monroe.

You’ll find other area codes nearby including area codes 256/938 (Huntsville, AL), 270/364 (Bowling Green, KY), 276 (Bristol, VA), 336/743 (Greensboro, NC), 606 (Ashland, KY), 615/629 (Nashville, TN), 704/980 (Charlotte, NC), 706/762 (Augusta, GA), 803 (Columbia, SC), 828 (Asheville, NC), 864 (Greenville, SC), 865 (Knoxville, TN), and 931 (Clarksville, TN).

another way to help facilitate illustration

Use local numbers to help your business succeed.

With a local 423 phone number, you can effectively get in front of the right people and establish a foothold in the Chattanooga, TN area.

Top industries and economic trends within the
423 area code

Any good snapshot of area code 423 includes details on its economy and business climate. From population change to new business starts, the story of an area is told by who stays, where they work, and how often they start new businesses. We were curious about the biggest players and the people they serve, so we collected some statistics to help you get to know the area. Here’s what we found:

Area code 423 is in Eastern Standard Time. Its major county is Hamilton County, TN which has an unemployment rate of 7.1%. In Chattanooga, the average household makes $72,306 annually. The city’s population has risen 0.20% from 2019 to 2020.

New businesses are sprouting up everywhere. New business applications were up 19.00% from 2019 to 2020. Of those who launch a new venture, an estimated 79.50% will survive in the state of Tennessee.

New businesses are part of industries like the top ten employers in Chattanooga: Tennessee Valley Authority, Erlanger Health System, Unum, Bluecross Blueshield of Tennessee, Hamilton County Department of Education, Shaw Industries, University of Tennessee At Chattanooga, Amazon, Cigna, Mckee Foods Corporation.

Existing industries build on a rich history in the area. According to census.gov, the top three industries for the city of Chattanooga are:
  • Educational services, and health care and social assistance
  • Manufacturing
  • Professional, scientific, and management, and administrative and waste management services

New businesses can join them with a virtual phone number from OpenPhone. Start calling and texting in a few minutes from area code 423 when you sign up for a free trial of OpenPhone.

Try out calling and texting with an area code tied to this flourishing region and confirm OpenPhone is a great fit for your business by starting a free seven-day trial of OpenPhone.

calling and texting with OpenPhone

Whether you're looking for a local Chattanooga or North American toll-free number,
getting started is simple.

See which specific 423 phone numbers are available and claim your own Chattanooga, TN number by signing up for a free trial. Here’s how it works: using our service, you can easily set up your local phone number without the need to install any additional hardware. Easily download and install our app, and find the right numbers for your business.

How to get a 423 phone number


Enter your email address or sign in with your Google account.


Then search by city (Chattanooga, TN) or area code (423) to select a specific local number.


Verify your account via credit card (you won’t be charged until your trial ends, cancel anytime.)


Use the OpenPhone browser app or download the desktop apps or mobile apps.

illustration of greeting through laptop screen

Why do businesses sign up for a virtual 423 number with OpenPhone
title shape

Go anywhere, appear local in 423

Obtain a local 423 phone number easily in 423, 423. Or port your existing phone number over with no service interruptions. It takes just minutes and is done for you. Once your number is activated, OpenPhone works on any device. Get a phone number and start calling and texting quickly, managing your conversations from an easy-to-use inbox. OpenPhone has apps you can access from a tablet, computer, or smartphone.

OpenPhone works from almost anywhere across the globe, so you can travel or live overseas — and still appear local. Chat with clients across state borders or from a coworking space across continents. All it takes is an internet connection.

Don’t live in the area code that you want a number for? No problem. You can still use your number anywhere without incurring typical long-distance charges. Calling and texting to any US or Canadian number is free with OpenPhone.

Leave a strong impression

Even if you’re working on the road, you can keep conversations organized and professional with OpenPhone. When you’re off, you can automatically mute business notifications after hours.

Easily add a phone menu, caller ID, and business voicemail greetings. That way, you can make a great impression on callers. While your business ID helps customers recognize your calls, your private number is always safe. Just because you’re using a personal device doesn’t mean your cell phone number is visible to customers. Incoming calls to your device show as an OpenPhone number so you can easily see what’s for work and what isn’t.

Sign up for multiple OpenPhone numbers, and always know which calls to your cell phone are for which specific OpenPhone numbers, or are personal.

Easily scale your phone system as your team grows

Get as many phone numbers as your business needs. Spin up new numbers in an instant to expand to new markets or assign any number to a specific teammate. Any numbers are ready to use without visiting a store or sitting on hold with customer service.

Your team can split the responsibility of answering incoming calls and messages by working from a shared number. When you share access, your team can stay aligned and work together to address messages. Assign out tasks and collaborate using threads. And stay responsive in record time by saving go-to message templates as snippets for common queries.

With a local business telephone number in area code 423, it’s easy to appear local and expand your company’s presence in the region. Support your growth by using OpenPhone, the #1 business phone solution on G2.

Frequently asked questions about local numbers

How do I get a local 423 phone number?
Can you buy a local 423 Tennessee phone number?
Can I forward calls from my 423 area code phone number elsewhere?
How many 423 or Tennessee phone numbers can I have?
Can I port my existing 423 number to OpenPhone?

Just a piece of advice. I used my personal cell number as the company number and I still regret it a decade later (I get so many stupid calls). Don’t do what I did. I wish I had a service like this 10 years ago!

Michael Seibel
CEO at Y Combinator

Join thousands of companies using local phone numbers for
their business

getaround logowealthsimple logobungalow logoy-combinator logosonder logoramp logolinear logoondeck logostratchpad logoshogun logoairgarage logoathena logo