Area Code 678: Get an Atlanta Phone Number

678 · Atlanta

What is the area code for Atlanta?

The area code for Atlanta, Georgia is 678, with overlay codes 404, 470 sharing the same geographic footprint. The 678 area code is a North American Numbering Plan geographic code assigned in 1998, covering the Greater Atlanta region. It serves approximately 6,000,000 residents on the Eastern Time (ET) (UTC-5 / UTC-4 DST).

The 678 area code has 783 assigned central-office prefixes (NXX codes, the three digits after the area code) across 41 rate centers, with numbers allocated to roughly 40 carriers.

At 783 of the ~792 usable central-office prefixes, the 678 area code has about 99% of its numbering capacity assigned, and that near-exhaustion is part of why overlay codes 404, 470 were added to the region. See how 678 compares in our NXX prefix allocation analysis across 338 US area codes. (Prefix data: localcallingguide.com / NANPA, 2026.)

Where is area code 678? Location and map area

Area code 678 is located in Georgia, the United States. Its coverage area centers on Atlanta and spans the Greater Atlanta region. If you received a call from a 678 number, the caller's number was assigned in this area — though with number porting and virtual numbers, the person may be calling from anywhere.

The 678 location sits in Eastern Time (ET), so local business hours run roughly 9 a.m.–5 p.m. ET. Neighboring Georgia area codes include 229, 404, 470.

For the full story — every city covered, overlay history, and local scam patterns — read the complete Atlanta area code guide.

All Atlanta area codes

Atlanta is served by 3 area codes across the metro area. 678 is the 1998 addition; the others were added as overlays or for surrounding suburbs.

• 404 — Atlanta — 1947 original
• 470 — Overlay on the same metro, assigned 2015
• 678 (current page) — Overlay on the same metro, assigned 1998

Cities served by the 678 area code

The 678 area code covers 6 major cities and towns across the Greater Atlanta region (GA):

Businesses across Atlanta and surrounding cities use 678 numbers to project local presence and lift call answer rates. Industry studies of local presence dialing consistently report answer-rate gains of 20–40% over toll-free or out-of-area numbers — a caller ID that matches the recipient's region looks familiar and gets picked up.

678 area code time zone and business hours

The 678 area code is in the Eastern Time (ET) zone (UTC-5 / UTC-4 DST). Standard business hours in 678 run 9 AM to 5 PM ET.

If you're calling into 678 from a different time zone, factor in the offset. For example, an Eastern Time business calling 678 at 9 AM ET reaches Atlanta at local time — likely outside standard business hours.

History of the 678 area code

The 678 area code was introduced in 1998 when the North American Numbering Plan was first deployed. As Atlanta grew and number demand increased, overlay codes 404, 470 were added to serve the same geographic region — a common solution that avoids forcing existing subscribers to change their numbers.

• 1947 404 added to serve the same region
• 1998 678 entered service
• 2015 470 added to serve the same region

Is the 678 area code safe? Spam and scam calls

678 is a legitimate geographic area code for Atlanta — it is not a scam code or a premium-rate prefix, and a call from a 678 number is most likely a genuine local caller. The risk is not the area code itself but a tactic called neighbor spoofing: scammers fake their caller ID so an unwanted call appears to come from your own area code, because people answer familiar numbers more readily.

If you get an unexpected 678 call, a few signals point to a likely scam — a pre-recorded message, urgent pressure to act now, a demand for payment by gift card or wire transfer, or anyone asking for passwords, Social Security, or account numbers. Let suspicious calls go to voicemail, never share personal information, and report fraud to the FTC at reportfraud.ftc.gov.

The FCC consumer guide on spoofing explains your rights under the Truth in Caller ID Act. A real Atlanta business will leave a clear voicemail and will not pressure you.

US carriers verify caller ID with the STIR/SHAKEN framework, which flags many spoofed numbers as "Spam Likely" before they ring. DialPhone 678 numbers are registered for STIR/SHAKEN attestation, so calls from your business are verified as genuine and reach customers without a false spam label. See the DialPhone guide to VoIP security for more.

Why get a 678 area code number for your business?

Getting a 678 number gives your business three measurable advantages over a toll-free or out-of-area number:

1. Local trust signal. Customers in Atlanta recognize 678 as their home area code. Caller ID matching builds immediate credibility for service businesses, sales outreach, and patient communication.
2. Higher answer rate. Calls from a familiar local area code are answered far more often than unknown or toll-free numbers — industry measurements of local presence dialing put the lift at 20–40%, which matters most for outbound sales, appointment confirmations, and time-sensitive service callbacks.
3. Targeted marketing. Businesses serving Atlanta and the broader Greater Atlanta can advertise a local number across print, radio, billboards, and digital channels for higher conversion than a national 800 number.

For businesses in Atlanta and surrounding cities, top industries that benefit from local 678 presence include Logistics, FinTech, and Healthcare. DialPhone's AI receptionist is available for every 678 number — never miss a call, even after standard business hours.

How to get a 678 area code number

Setting up a 678 business number with DialPhone takes under 10 minutes:

1. Sign up for a DialPhone plan. Choose any plan starting at $24/user/month. Free 14-day trial, no credit card required.
2. Search available 678 numbers. Filter the DialPhone number inventory by area code, city, or pattern.
3. Choose your number and configure. Assign your new 678 number to a user or team, set up call routing, voicemail, AI receptionist, and business SMS.
4. Port your existing number (optional). Already have a 678 number? Free number porting in 2 to 5 business days with zero service interruption.

New to local numbers? The complete guide to getting a local phone number covers choosing the right area code, porting an existing line, and avoiding spam flags.

678 area code overlay codes

The Greater Atlanta region is served by multiple overlay area codes:

Area Code	Coverage
678	Primary area code for Greater Atlanta, assigned 1998
404	Overlay — same geography (assigned 1947)
470	Overlay — same geography (assigned 2015)

All overlay codes serve the same Atlanta region. New subscribers may be assigned any available code; existing numbers retain their original prefix.

AI receptionist for 678 area code businesses

Every DialPhone 678 number includes optional AI receptionist coverage, available 24/7. The AI handles calls when your team is unavailable — answering common questions, booking appointments, routing urgent callers to on-call staff, and capturing voicemail with full transcription and intent tagging.

For businesses in Atlanta that handle high call volume, run extended hours, or need bilingual support (especially valuable in service areas with diverse customer bases), the AI receptionist reduces voicemail backlog and improves first-call resolution.

All area codes in Georgia

Georgia has 9 active geographic area codes. The 678 area code is part of the same numbering plan as the codes listed below — calls between them are typically local within the state, depending on the carrier.

Nearby area codes

Related area codes in Georgia and the Eastern Time (ET) region:

• 229 area code — Albany, Georgia
• 404 area code — Atlanta, Georgia
• 470 area code — Atlanta, Georgia
• 478 area code — Macon, Georgia
• 706 area code — Augusta, Georgia
• 762 area code — Augusta, Georgia

All Georgia area codes → · Browse all US area codes →

More area codes: ← 672 Vancouver · 679 Detroit →

How this page is verified

DialPhone re-verifies every area code page every 90 days. Area code geography, timezone, and overlay data come from the official North American Numbering Plan Administration (NANPA) database. Pricing reflects the published DialPhone plan tiers — see the pricing page for current details. Number availability varies; check the DialPhone signup flow for live inventory in the 678 region.

What to know before getting a 678 number

• Number availability is finite. Popular Atlanta area codes can be inventory-constrained — request specific vanity patterns early.
• Porting timing varies. Most 678 ports complete in 2-5 business days; complex multi-line legacy contracts can take 7-10.
• HIPAA tier required for healthcare. The Core $24 plan doesn't include a BAA — healthcare users need Advanced ($34) or above.