Birmingham, Alabama, is served by primary area code 205 with the 659 overlay. Whether you are calling a Birmingham 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.
Birmingham Area Codes at a Glance
| Detail | Information |
|---|---|
| Primary Area Code | 205 |
| Overlay Code | 659 |
| Time Zone | Central Time (CT, UTC-6 / UTC-5) |
| Major Counties | Jefferson County |
| State | Alabama |
Area Code Breakdown & Neighborhood Mapping
Birmingham sits in north-central Alabama, where 205 is the original area code and 659 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, 205 covers downtown and the Southside, Five Points South, Avondale, Highland Park, the UAB medical district, and the surrounding over-the-mountain communities. Nearby communities in the same region include Hoover, Tuscaloosa.
Across Alabama, 205 connects to the rest of the state through standard long-distance dialing, and every call to or from Birmingham 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, Birmingham 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 + 205 + number). To call Birmingham 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 +1 205 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 Birmingham
Birmingham ZIP codes run from 35203 through the 35244 range, including 35203 (downtown), 35205 (Southside and UAB), 35209 and 35213 (the southern neighborhoods), and 35216 and 35242 (the over-the-mountain suburbs).
Cell Phones & Number Portability
Thanks to federal number portability, a 205 number no longer proves the caller is currently in Birmingham. 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 205 or 659 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 Birmingham
Birmingham residents report the same robocall trends seen across Alabama. Watch for these patterns:
- Neighbor spoofing: Scam calls that fake a 205 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: With UAB and a large healthcare sector, Birmingham residents report frequent fake medical-billing, insurance-verification, and hospital ‘collections’ calls seeking personal information.
- 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 Birmingham use?
Birmingham uses area code 205, with 659 serving as an overlay across the same area.
Do I have to dial the area code for local calls?
Yes. Birmingham uses 10-digit dialing, so include the area code even for calls within the city.
What county is Birmingham in?
Birmingham is located in Jefferson County.
What time zone is Birmingham in?
Birmingham observes Central Time (CT, UTC-6 / UTC-5).
How do I call Birmingham from another country?
Dial your exit code, then +1, then 205 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 205 area code. Most U.S. mobile and landline plans include nationwide calling, so reaching a Birmingham number is treated the same as any other domestic call.
Can I keep my phone number if I move to Birmingham?
Usually yes. Federal number portability lets you keep an existing mobile number when you relocate, which is why many Birmingham 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.