What Is the Miami Area Code?

Miami has two area codes, 305 and 786, and you must dial all 10 digits for every local call.

Miami Businesses · October 14, 2026

Miami has two area codes: 305 and 786. They cover the same area, so a number with either one is a local Miami number. Both codes also reach other parts of the region, including the Florida Keys. When you call a local number, dial all 10 digits: the area code plus the seven-digit number.

Why Miami has two area codes

305 is the original Miami code. Over time, the area ran low on unused phone numbers. Instead of splitting the region into two parts, regulators added a second code on top of the first. This is called an overlay. 786 is that overlay.

With an overlay, two codes share one map. Your neighbor can have 305 and you can have 786. Both of you are in the same place. The code tells you nothing about which side of town a person lives on.

How to dial a Miami number

Because two codes share one area, you always need the area code. Even a call to your next-door neighbor needs it. The steps are simple:

1. Dial the 3-digit area code (305 or 786).
2. Dial the 7-digit number.
3. Press call.

Do not add a 1 before the number for a local call. Add the 1 only for long distance, or if your carrier asks for it. If a local call will not connect, the most common cause is a missing area code.

Save every contact in your phone with the full 10 digits. Then calls work the same from home, from the car, and from a trip.

Does a 305 or 786 number mean a business is local?

Not always. This is the part that surprises many people. Today, most phone numbers move with the person or company. A business can keep a number from the place it started, even after it moves. A company can also buy an internet phone line with a Miami area code without having an office in Miami.

So the code is a hint, not proof. If you are hiring someone for work at your home, check more than the phone number.

How to check that a business is really in Miami

Use a few quick checks before you hire or pay a deposit:

• Look for a street address. A real local shop lists one. A post office box or a missing address is a warning sign.
• Search the address on a map. See whether a real storefront, office, or yard is there.
• Check the license. Many trades in Florida need a state license. Look up the license number on the state's official licensing website before you sign anything.
• Ask for proof of insurance. A reliable business can send it the same day.
• Read reviews from different dates. A steady flow over time is a better sign than a burst in one week.
• Get the quote in writing. It should list the work, the materials, and the total.

Common mistakes with Miami phone numbers

Leaving off the area code

This is the top error. If you save a number as seven digits, it may fail when you call from another place or from a different phone.

Guessing the neighborhood from the code

305 is older, so people sometimes treat it as the "real" Miami. The code does not show a neighborhood, a city, or a quality level. Do not read more into it.

Trusting a number alone

A matching area code does not prove a company is licensed, insured, or nearby. Use the checks above.

Missing scam calls

Scammers can make a call look like it comes from a 305 or 786 number. If a caller you do not know asks for money, a gift card, or a password, hang up. Then call the company back using a number you found yourself.

What about texts and online forms?

Most Miami businesses take texts and web messages as well as calls. The 10-digit rule is the same for texting. Put the area code on every number you save, and you can reach the business by any method.

How to find a local business by area

If you need a plumber, a dentist, a mechanic, or a restaurant, you do not need to guess from phone numbers. A directory lets you search by what you need and where you are. You can compare listings, see the address and the phone number, and then call with the full 10 digits.

If you want to see how many businesses operate in Miami and what kinds they are, the Miami business stats page gives an overview. To look for a specific service, search the directory.

When you move or travel

If you move to Miami, you can often keep your old number. You may also be given a 305 or 786 number on a new line. Either way, tell your doctor, your bank, and your service providers which number to use. If you travel, your phone still needs the full 10 digits to call home.

If you run a small business, list your number with the area code on your website, your invoices, and your listings. Customers who see seven digits may not know which code to use, and some will give up.

Quick summary

• Miami area codes: 305 and 786.
• Both are local to the same area, and both reach other places, such as the Keys.
• Always dial 10 digits.
• The area code does not prove where a business is. Check the address, the license, and the insurance.

Sources: North American Numbering Plan Administrator; Federal Communications Commission.