Hattiesburg, Mississippi, is served by primary area code 601 with the 769 overlay. Whether you are calling a Hattiesburg number, verifying an unknown caller, or setting up a new local line, this guide covers every area code that serves the city, how local dialing works, the ZIP codes involved, and the scam-call patterns residents report most often.
Hattiesburg Area Codes at a Glance
| Detail | Information |
|---|---|
| Primary Area Code | 601 |
| Overlay Code | 769 |
| Time Zone | Central Time (CT, UTC-6 / UTC-5) |
| Major Counties | Forrest County |
| State | Mississippi |
Area Code Breakdown & Neighborhood Mapping
Hattiesburg sits in the Pine Belt of southern Mississippi, where 601 is the original area code and 769 was later added as an overlay serving the same geographic area. Because the two codes overlap, every local number keeps its own ten-digit identity and newly issued lines may receive either code.
Within the city, 601 covers downtown and the historic district, the University of Southern Mississippi campus, and the residential neighborhoods along Hardy Street.
Across Mississippi, 601 connects to the rest of the state through standard long-distance dialing, and every call to or from Hattiesburg follows the same North American Numbering Plan rules used nationwide. Knowing which code covers the city helps you spot out-of-area numbers at a glance and recognize when an incoming call may not be as local as it appears.
Local Dialing Rules & International Calling
Like the rest of the United States, Hattiesburg uses 10-digit dialing, which is mandatory throughout any area served by an overlay. Dial the area code plus the seven-digit number for local calls. For domestic long distance, add a leading 1 (1 + 601 + number). To call Hattiesburg from another country, dial your country’s exit code, then the U.S. country code +1, then the area code and the local number. Mobile users can enter +1 601 directly. Three-digit services such as 911 for emergencies and 988 for the Suicide and Crisis Lifeline are always dialed directly, with no area code required.
Major ZIP Codes in Hattiesburg
Hattiesburg ZIP codes are primarily 39401 and 39402, covering the eastern and western parts of the city.
Cell Phones & Number Portability
Thanks to federal number portability, a 601 number no longer proves the caller is currently in Hattiesburg. Residents who move away often keep their mobile numbers, and newcomers frequently arrive with codes from other states. New local service is typically assigned a 601 or 769 number, but the reliable habit is to dial all ten digits every time and to judge callers by who they are rather than by the area code they display.
Spam & Scam Call Warnings in Hattiesburg
Hattiesburg residents report the same robocall trends seen across Mississippi. Watch for these patterns:
- Neighbor spoofing: Scam calls that fake a 601 prefix so the number looks local. Screen unfamiliar callers even when the area code matches.
- Utility shutoff threats: Callers posing as the power or water company demanding immediate payment by gift card or wire. Real utilities never work this way.
- Government impersonation: Fake IRS, Social Security, or county “warrant” calls pressuring you to pay to avoid arrest.
- Local angle: As a college town home to Southern Miss, Hattiesburg sees frequent fake tuition, financial-aid, and student-housing scams targeting students and their families.
- Auto-warranty and Medicare pitches: High-volume robocalls seeking personal, financial, or insurance details, often using a recorded voice and a callback number.
Let unknown calls go to voicemail, never share financial information with an inbound caller, and report unwanted calls to the FTC at reportfraud.ftc.gov.
Frequently Asked Questions
What area code does Hattiesburg use?
Hattiesburg uses area code 601, with 769 serving as an overlay across the same area.
Do I have to dial the area code for local calls?
Yes. Hattiesburg uses 10-digit dialing, so include the area code even for calls within the city.
What county is Hattiesburg in?
Hattiesburg is located in Forrest County.
What time zone is Hattiesburg in?
Hattiesburg observes Central Time (CT, UTC-6 / UTC-5).
How do I call Hattiesburg from another country?
Dial your exit code, then +1, then 601 and the seven-digit local number.
Does the area code affect the cost of a call?
No. Call costs depend on your calling plan, not on the 601 area code. Most U.S. mobile and landline plans include nationwide calling, so reaching a Hattiesburg number is treated the same as any other domestic call.
Can I keep my phone number if I move to Hattiesburg?
Usually yes. Federal number portability lets you keep an existing mobile number when you relocate, which is why many Hattiesburg residents carry numbers with area codes from other cities or states.
Stay Safe & Explore More
- Verify an unknown caller in our Scam Alerts directory.
- Comparing nationwide numbers? See our Toll-Free Numbers guides.