The 423 area code covers Chattanooga, Johnson City, Kingsport and more in Tennessee. Provision a local 423 number in minutes.
Area code 423 covers eastern Tennessee, a region of Appalachian scenery, Cherokee heritage, and significant Civil War history. Chattanooga has reinvented itself as a tech-forward city known for its world-class outdoor recreation and its ultra-fast municipal broadband network. The Tri-Cities (Johnson City, Kingsport, Bristol) anchor the northeastern corner.
Across Tennessee, the 423 area code serves roughly 900,000 residents in 4 communities — including Chattanooga, Johnson City, Kingsport, among others. Numbers in the 423 zone keep Easterntime, so a local line rings during your customers' business hours and shows a familiar तमिलनाडु caller ID on every outbound call.
423 was first introduced in 1995 under the North American Numbering Plan. It remains an active geographic code today.
Want a 423 number of your own? With Ajoxi you can claim one in minutes — no hardware, no contracts — and route calls, SMS, voicemail, and team messaging anywhere on a single UCaaS platform, with Tier-1 routing and clean caller-ID delivery on every line.
The 423 area code reaches 4 communities across Tennessee, from Chattanooga to Bristol. A customer in any of them sees a familiar local number when you call, which is the single biggest driver of answer rates — and with Ajoxi you can claim a number in any of these cities, or several at once, and route every call to the same team.
Pair a local Chattanooga presence with enterprise-grade UCaaS — calling, meetings, and messaging on one platform.
Get a 423 NumberA 423 number tells Chattanooga customers you're local — instant trust and higher answer rates, no office required.
Every 423 line includes HD calling, video meetings, team chat, SMS/MMS, auto-attendant, call recording, and an AI assistant.
Already have a 423 number? Port it in for free. Your number stays yours — port out anytime, no lock-in.
The 423 area code covers Chattanooga, Johnson City, Kingsport, Bristol in Tennessee.
Phone numbers in the 423 area code operate on America/New_York time.
Yes. The 423 area code was introduced in 1995 and remains an active geographic code today.
Yes. Ajoxi provisions virtual 423 numbers with instant activation, clean caller-ID delivery, Tier-1 routing, and no setup fees — so you can build a local presence in minutes.
Choose a 423 number in the Ajoxi dashboard and it activates immediately — no hardware, no contracts, and no setup fees. Prefer to keep a number you already use? Port any existing 423 number in for free, usually within a few business days and with no downtime during the switch.
हाँ। प्रत्येक 423 नंबर एचडी कॉलिंग के साथ-साथ एसएमएस और एमएमएस का समर्थन करता है, इसलिए आपकी टीम ग्राहकों को टेक्स्ट कर सकती है, अभियान चला सकती है और एक ही लाइन से बातचीत का जवाब दे सकती है - यह सब किसी भी डिवाइस पर ब्राउज़र में, बिना किसी अलग ऐप को इंस्टॉल किए।
प्रावधान ए 423 तत्काल सक्रियण, स्वच्छ कॉलर-आईडी और टियर-1 रूटिंग के साथ नंबर - कोई सेटअप शुल्क नहीं, मिनटों में लाइव।