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Comprehensive Guide to U.S. Area Codes: State-by-State Breakdown

The North American area codes were established by the American Telephone and Telegraph Company (AT&T) in 1947, following a demonstration of the long-distance call system. This new numbering plan provided for 152 area codes. As of 2023, there are approximately 335 area codes in the United States.

New Jersey

201

Washington

202

Connecticut

203

Alabama

205

Washington

206

Maine

207

Idaho

208

California

209

Texas

210

New York

212

California

213

Texas

214

Pennsylvania

215

Ohio

216

Illinois

217

Minnesota

218

Indiana

219

Ohio

220

Illinois

224

Louisiana

225

Mississippi

228

Georgia

229

Michigan

231

Ohio

234

Florida

239

Maryland

240

Michigan

248

Alabama

251

North Carolina

252

Washington

253

Texas

254

Alabama

256

Indiana

260

Wisconsin

262

Pennsylvania

267

Michigan

269

Kentucky

270

Pennsylvania

272

Virginia

276

Texas

281

Maryland

301

Delaware

302

Colorado

303

West Virginia

304

Florida

305

Wyoming

307

Nebraska

308

Illinois

309

California

310

Illinois

312

Michigan

313

Missouri

314

New York

315

Kansas

316

Indiana

317

Louisiana

318

Iowa

319

Minnesota

320

Florida

321

California

323

Texas

325

Ohio

330

Illinois

331

Alabama

334

North Carolina

336

Louisiana

337

Massachusetts

339

Texas

346

New York

347

Massachusetts

351

Florida

352

Washington

360

Texas

361

Kentucky

364

Utah

385

Florida

386

Rhode Island

401

Nebraska

402

Georgia

404

Oklahoma

405

Montana

406

Florida

407

California

408

Texas

409

Maryland

410

Pennsylvania

412

Massachusetts

413

Wisconsin

414

California

415

Missouri

417

Ohio

419

Tennessee

423

California

424

Washington

425

Texas

432

Virginia

434

Utah

435

Ohio

440

California

442

Maryland

443

REVIEWS

What Real People Say About Us?

Experience why Voiply has become the top-rated home phone provider, trusted by over 50,000 satisfied customers.

These people are really good to work with. Any time I've has the slightest issue they jump right on the problem and get it fixed quickly. I've been using Voiply for about 3 years and couldn't be happier with the product and the money I save
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Antwyn Price
October 26, 2025
These people are really good to work with. Any time I've has the slightest issue they jump right on the problem and get it fixed quickly. I've been using Voiply for about 3 years and couldn't be happier with the product and the money I save
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Antwyn Price
October 26, 2025
I switched my ATT to Voiply home phone service 2 weeks ago, and am extremely happy with the decision. Voiply not only kept me informed of the progress of equipments shipment, porting updat, and provided step by step installation instructions, they also responded to my questions, by phone, email, and chat, promptly with clarity. I am able to enjoy all the services, including incoming and outgoing caller ID, fax services, etc. that I had with ATT before the switch. I waited for two weeks to make sure the services run smoothly before I posted my opinion about voiply and I can say that I am extremely happy with the results.
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Ronald McKelvey
November 29, 2025
I switched my ATT to Voiply home phone service 2 weeks ago, and am extremely happy with the decision. Voiply not only kept me informed of the progress of equipments shipment, porting updat, and provided step by step installation instructions, they also responded to my questions, by phone, email, and chat, promptly with clarity. I am able to enjoy all the services, including incoming and outgoing caller ID, fax services, etc. that I had with ATT before the switch. I waited for two weeks to make sure the services run smoothly before I posted my opinion about voiply and I can say that I am extremely happy with the results.
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Ronald McKelvey
November 29, 2025
I am impressed with VOIPLY so far, particularly with their support of a novice like me in porting my old cellphone number into our VOIP service. I gather some people at Voiply wear several hats, which is typical in a startup company. I hope Voiply can latch onto some other useful services to help grow the organization.
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Linda Xyz
September 22, 2025
I am impressed with VOIPLY so far, particularly with their support of a novice like me in porting my old cellphone number into our VOIP service. I gather some people at Voiply wear several hats, which is typical in a startup company. I hope Voiply can latch onto some other useful services to help grow the organization.
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Linda Xyz
September 22, 2025
The customer service I have experienced as a new user has been fabulous. A quick chat with an AI bot and before I knew it the team was on it and fixed it all quickly.
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Robert Cheff
August 9, 2025
The customer service I have experienced as a new user has been fabulous. A quick chat with an AI bot and before I knew it the team was on it and fixed it all quickly.
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Robert Cheff
August 9, 2025
Amazing customer service! I have to say, the communication from this company is stellar; they were very proactive; sending emails with order status updates, sending literature before I received the adapter, so that I could familiarize myself and be ready to install when it arrived. Unfortunately I don't have a compatible modem/router. (Most are compatible and can be tweaked, but I happened to have the one that wasn't.) Their tech support was brilliant, offering a couple of solutions, but I ended up returning the adapter. The customer service reps were very helpful with the return process as well. I will definitely reorder from Voiply when we're ready to get a compatible modem.
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Marjolaine S
October 31, 2025
Amazing customer service! I have to say, the communication from this company is stellar; they were very proactive; sending emails with order status updates, sending literature before I received the adapter, so that I could familiarize myself and be ready to install when it arrived. Unfortunately I don't have a compatible modem/router. (Most are compatible and can be tweaked, but I happened to have the one that wasn't.) Their tech support was brilliant, offering a couple of solutions, but I ended up returning the adapter. The customer service reps were very helpful with the return process as well. I will definitely reorder from Voiply when we're ready to get a compatible modem.
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Marjolaine S
October 31, 2025
Voiply Provides A Really Great Dialer with little to No Issues. I use it daily to make a high volume of calls. The customer service team is also top-notch as they are well equipped, fast and friendly.
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re1ired
September 25, 2025
Voiply Provides A Really Great Dialer with little to No Issues. I use it daily to make a high volume of calls. The customer service team is also top-notch as they are well equipped, fast and friendly.
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re1ired
September 25, 2025
Voiply is great. Probably the best telephone VoIP service in the business. All phones are being forced to go Voice over IP. We were with Windstream/ Kinetic/ and whatever company they just merged with. Voiply’s cost and superior customer service kicks the mess out of our previous carrier. Check out the cost and you might just be their next customer.
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Rebecca Wisdom
December 20, 2025
Voiply is great. Probably the best telephone VoIP service in the business. All phones are being forced to go Voice over IP. We were with Windstream/ Kinetic/ and whatever company they just merged with. Voiply’s cost and superior customer service kicks the mess out of our previous carrier. Check out the cost and you might just be their next customer.
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Rebecca Wisdom
December 20, 2025
As a small business owner, it was the right decision to move our telephone services to Voiply. Customer service provided by Voiply team is excellent.
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Thaya Nagarajah
November 10, 2025
As a small business owner, it was the right decision to move our telephone services to Voiply. Customer service provided by Voiply team is excellent.
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Thaya Nagarajah
November 10, 2025
Great Customer Service with immediate responses to register my adapter. I would recommend their telephone service just for their customer service. The Sound is very clear on the initial phone calls I did make, and I am very satisfied with the Set-up process, the convenient app, and their easy to use customer portal.
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Macy-Ann
September 22, 2025
Great Customer Service with immediate responses to register my adapter. I would recommend their telephone service just for their customer service. The Sound is very clear on the initial phone calls I did make, and I am very satisfied with the Set-up process, the convenient app, and their easy to use customer portal.
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Macy-Ann
September 22, 2025

Frequently Asked Questions

Get answers to common questions about area codes.

What is an area code?

An area code is a three-digit number that identifies a specific geographic region in the telephone network where a call is either originated or destined.

Do different states have different numbers of area codes?

Yes, some states have multiple area codes, while others have only one. For instance, California has the most with 36 area codes, while several states like Alaska and Delaware have just one.

Why do we need area codes?

Area codes are necessary for routing calls within a country and ensuring that the call reaches the correct location.

Can an area code give an indication of a phone number's origin?

Yes, a phone number's area code can give a general idea of where a call originated from, or at least where the phone number was registered.

Can I keep my area code if I move to a different state?

Yes, with voiply you can keep your number when moving to a different state.

How many area codes are there in the United States?

As of the latest update in 2023, there are approximately 335 area codes in the United States.

What are non-geographic area codes?

Non-geographic area codes are not tied to a specific geographic area and are often used for specific services like toll-free numbers (800, 888, etc) or premium rate services (900).

Are area codes unique to each city?

Not necessarily. Some large cities may have their own area codes, but smaller cities and regions may share an area code.

What happens when an area runs out of phone numbers within its existing area code?

When an area exhausts its supply of phone numbers within an existing area code, a new area code is introduced in that geographic region. This process is known as an area code split or overlay.

How are new area codes created?

New area codes are created by the North American Numbering Plan Administration (NANPA) when the existing codes in a region are projected to exhaust. The decision to add a new area code is usually made several years in advance.

Still have questions?

Call our customer service team at (844) 843-4175