423 Area Code

Get a 423 Area Code Phone Number in Chattanooga (TN), Instantly

Obtain various landline, toll-free and vanity numbers with Area Code 423, regardless of the base of your operations for your personal and business communications. Personalize your business communication with Area Code 423 and enjoy the following advantages.

Localize your business in Chattanooga, Johnson City, and Kingsport.
Easy setup, Quick activation, Effortless Termination.
Share 423 Area Code numbers to synchronize communications across multiple devices.
Upgraded Scalability and Flexibility with 423 Area Code numbers.
Cutting-edge communication features that improve customer service and employee productivity.
423 area code location

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Area Code 423 Location: Where is 423 Area Code Coming From?

423 Area Code serves two distinct areas of East Tennessee: Bristol, Johnson City, Kingsport, etc. lies in the northeast; and in the southeast lies Chattanooga, Cleveland, Philadelphia, and McMinnville.

Area code 423 is located in central regions of Tennessee, north and south part of Knoxville.

On the side is the tabular illustration of the top 30 locations (based on the population) served or covered by Area Code 423 in Tenessee.

City/Town County TimeZone
Chattanooga, TN Hamilton Eastern
Johnson City, TN Washington Eastern
Kingsport, TN Sullivan Eastern
Cleveland, TN Bradley Eastern
Morristown, TN Hamblen Eastern
Bristol, TN Sullivan Eastern
East Ridge, TN Hamilton Eastern
Greeneville, TN Greene Eastern
Elizabethton, TN Carter Eastern
Athens, TN McMinn Eastern
Soddy-Daisy, TN Hamilton Eastern
Middle Valley, TN Hamilton Eastern
Red Bank, TN Hamilton Eastern
Bloomingdale, TN Sullivan Eastern
Collegedale, TN Hamilton Eastern
Harrison, TN Hamilton Eastern
Signal Mountain, TN Hamilton Eastern
La Follette, TN Campbell Eastern
Dayton, TN Rhea Eastern
Newport, TN Cocke Eastern
Colonial Heights, TN Sullivan Eastern
South Cleveland, TN Bradley Eastern
Church Hill, TN Hawkins Eastern
Erwin, TN Unicoi Eastern
Sweetwater, TN Monroe Eastern
Mount Carmel, TN Hawkins Eastern
Jonesborough, TN Washington Eastern
Dunlap, TN Sequatchie Central
Madisonville, TN Monroe Eastern
Oak Grove, TN Washington Eastern
Show more  show less

How to buy a 423 Area Code phone number?

To buy a 423 Area Code number, sign up with KrispCall; go to Settings > My Number > Add New Number > Select USA > Advanced Filter > Enter 423 and match to the first part of the number > Click Search. Then choose your 423 number, make payment & start making communications after the number activation.

area code 423 cities

423 Area Code History – Where Does a 423 Area Code Originate?

Area code 423 is a telephone number prefix assigned by NANP to serve the central Tennessee, along with north & south Knoxville. 423 Area Code originated in 1995 after splitting from Area Code 615. It was the first new Area Code in 41 years in Tennessee.

It was created to reduce all the exhausting phone numbers. Since Area Code 423 was divided in 1999, specific phone numbers had to be updated to Area Code 865. Tennessee’s share of the Eastern Time Zone is 423; it roughly follows the Eastern and Central time zones’ boundaries.

Why Choose 423 Area Code Number for Business?

Get everything with the 423 Area Code Tennessee number, from establishing a local presence to unleashing the power of advanced communication features. Utilize the benefits of the 423 Area Code, regardless of the size of your business. 

Establish a local presence in Tennessee's Central region: Localize and represent your brand as a local brand in the cities of central Tennessee with 423 Area Code phone numbers. Prove to locals that you care about them, are passionate about serving them, and outperform your competitors.
Elevate your acceptance rate and boost your sales: Increase your revenues and sales rate with 423 local and vanity numbers. Boost your call acceptance rate and gain local’s trust. Improve employee productivity and provide excellent customer service.
No special equipment is required: To get started with 423 Area Code phone numbers, no additional hardware or special equipment is required. You can carry on your business communications with your existing devices such as mobile, laptops, PCs tablets. All you need to do is download the KrispCall app.
Powerful standard PBX system features: Utilize and get familiar with all the PBX features with 423 phone numbers with KrispCall mobile app. Explore advanced communication features like ACD, Call Recording, Call Monitoring, Number Sharing, Call Barging, Phone Trees (IVR), etc., for reliable communication management for your company.
423 area code number

Access Powerful VoIP Features with your 423 Area Code Business Phone Number

Integrate the latest and most enhanced calling features into your communications with 423 Tenessee Area Code business phone numbers. Automate calls, integrate third-party software, analyze communications, and prepare reports effortlessly using VoIP features.

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Global Calling

Expand your customer base worldwide with Krispcall global calling features for making instant calls across borders.

Call on Hold
Calls On Hold

Keep the calls on hold to get further support/assistance for the clients whenever necessary, without losing their calls.

Intelligent Call Routing

Instantly route customer calls to another line or agent who can better deal with their queries. Don’t keep your clients waiting.

Shared Number

Number-sharing option allows you to receive calls across multiple devices. Improve your customer response by eliminating missed calls.

Call Forwarding

Instantly route business calls to your cellphones and landlines whenever necessary. Make sure you are not missing out on clients when not in the office.

Call Recording icon
Call Recording

Record calls to monitor client requests and team performance. Use recorded calls as a guide for improving customer service and employee training.

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Call Filters

Narrow down the call logs with Krispcall call filters. Efficiently screen through your incoming, outgoing, and missed calls.

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Don’t lose touch with your clients when you are unavailable. Allow clients to drop you a voicemail so their queries never go missing.

DND mode for Agents
DND mode for Agents

Switch to the Do Not Disturb mode and automatically shift incoming calls to voicemails to increase your focus on the work at hand.

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Call Analytics

Optimize your marketing campaigns, call handling and team performance with insight driven phone call analytics data.

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Contact Tags

Sort clients and teams using the contact tags feature. Tag contacts to customize your dashboard for better navigation.

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Call History

View the entire conversation history, incoming and outgoing call logs, and messages in one unified dashboard.

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Caller ID

Set location-based caller IDs for outbound international calls. Localize your number to improve the chances of reaching potential customers in new markets.

Call Transfer

Instantly route customer calls to another line or agent who can better deal with their queries. Don’t keep your clients waiting

Unified Callbox

Connect with your team and customers instantly without switching apps, using an all-in-one dashboard that handles calls, SMS messages, voicemails, and multiple other options.

Custom Greeting

Enhance the calling experience for your clients. Record personalized greeting messages, so your customers feel comfortable during calls.

Areas of Application for Area Code 423 Phone Number

Practical ways businesses use 423 Area Code numbers.

Businesses can integrate 423 area code numbers to localize their business in central Tennessee while streamlining communication for enhanced business productivity and exceptional customer experience.

734 area code for business phone systems

Employers can assign 423 Area Code numbers to their employees as a dedicated second phone numbers. It will allow businesses to track all the employee’s call activities and locations while providing them with private space for communications.

734 area code for business phone systems

Get multiple phone numbers with 423 Area Code to set up a local presence in central Tennessee. Save a fortune in business communication utilizing area code 423 phone numbers with KrispCall.

Cloud call center 786 phone number

Lower your outbound call rates with 423 Area Code numbers in your call center software . Benefit from 423 Area Code numbers to set up a call center without having to set up heavy equipment.

For proper marketing and sales

Use different toll-free and custom vanity phone numbers for sales and advertisement. Increase your investment in the top performers, and eliminate the underperformers at any time. You can do everything as your wish.

Other areas of application

The advanced communication features of the 423 Area Code allow you to use it for various uses, including home security. Use it everywhere, anytime you wish to make or receive calls, send or receive text messages, or MMS.

How to get a 423 Area Code Phone Number Online?

Krispcall makes it easy for you to get 423 Area Code phone numbers. Buy a new Tennessee 423 Area Code state phone number after completing the steps in a few moments. You should have valid payment details to complete the process.

Choose USA from the country list, enter 423 in the advanced filter, and search
Pick your number and purchase it.
Complete the payment process.
Submit the necessary documents for verification.
423 area code phone number

Nearby Area Codes

Location Area Code
Knoxville, TN 865
Jackson, TN 731
Murfreesboro, TN 615 / 629
Clarksville, TN 931
Memphis, TN 901

Frequently Asked Questions

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423 Area Code is a telephone area code in the NANP (North American Numbering Plan) that serves central Tennessee along with the north and south regions of Knoxville. It was created due to the split of the 615 Area Code in 1995.

It incorporates 26 counties: Hamilton, Washington, Sullivan, and Bradley, among 22 others. It serves several major cities like Chattanooga, Johnson City, Kingsport, and Cleveland, among smaller communities in their suburbs.

Country USA
State Tennessee
Major cities Chattanooga, Johnson City, Kingsport
Time Zone Eastern/Central
Telephone number format +1(423)-XXX-XXXX
Zip code 37341, 37348, 37694, 37311

423 Area Code is located in central Tennessee, north and south regions of Knoxville. It serves 26 counties such as Hamilton, Sullivan, Washington, Bradley, Greene, Hamblen, Carter, Hawkins, McMinn, and others. And major cities like  Chattanooga, Johnson City, Kingsport, Cleveland, etc. 

Most cities and communities of the 26 counties in the Central regions of the US state of Tennessee have the 423 Area Code. Chattanooga, Johnson City, Kingsport, and Cleveland are major cities under its service

No, the 423 Area Code is not in California. 423 Area Code serves 26 counties of Tennessee, whereas California has Area Codes like  213,209, 415, 530, etc. 

423 Area Code come from central Tennessee and the north-south of Knoxville. It is part of the NANP(North American Numbering Plan), and it is the only code that serves the area. 

423 Area Code follows Eastern and Central Standard Timezones. 

The 423 area code phone number support text messages depending on the features provided by the service provider. With KrispCall, 423 Area Code supports phone calls, text messages, and multimedia messages. 

Area Code 423 can sometimes be a scam if you don’t obtain it from a legit service provider. Usually, free virtual phone numbers with 423 Area Codes are scams. Always get 423 Area Code phone numbers from legit and reputed VoIP providers like KrispCall. 

Anyone who has a hold of a 423 Area Code phone number can make an outbound call. It can be a real business call or even a scam call. Always research their online presence and do some background checks (code lookup, caller id, & phone lookup) on the caller using their provided information on the call.

The zip code for the 423 Area Code serves numerous counties and cities in Tennessee. They have a wide range of Zip codes. Chattanooga has 37341-37450, Johnson City has 37601-37694, Kingsport has 37617-37669, and Cleveland has 37311-37364.