🇺🇸US area codes

How to call any US area code

Dial +1, the three digit area code, and the number, like +1 212 for New York or +1 305 for Miami. From StartACall you call any US number in your browser at about $0.046 per minute.

What you get

  • Examples: 212 NYC, 305 Miami, 310 LA, 312 Chicago
  • One flat rate, about $0.046 per minute
  • Same price for mobile and landline
How it works
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How it works

1

Open StartACall

Open it in your browser and create an account in under a minute.

2

Dial +1 and the number

Enter +1, the three digit area code, like 404 for Atlanta, and the number.

3

Click call

The call connects in seconds. The first call is free.

Why people use StartACall

Instant setup

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Pay as you go

Per minute pricing, no monthly plan, and your credit never expires.

No app, no SIM

Works in Chrome, Safari, Edge and Firefox on desktop and mobile.

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How to call any US area code from your browser

In short

To call any US area code, dial +1, the three digit area code, and the seven digit number. Area codes identify a region, like 212 for New York or 305 for Miami. With StartACall you dial from your browser at about $0.046 per minute, the same flat rate for mobile and landline, and the first call is free.

What a US area code is

A US phone number has the country code 1, a three digit area code, and a seven digit local number. The area code tells you the geographic region, though many people now keep a number from a city they have moved away from.

To call from StartACall you dial +1, the area code, and the number, all in one string. There is no operator code to remember and no roaming, because the call goes over the internet from your browser.

Common US area codes by city

Some of the busiest codes are 212 for New York, 305 for Miami, 310 for Los Angeles, 312 for Chicago, 404 for Atlanta, and 713 for Houston. So a Los Angeles number reads +1 310 and the rest of the digits.

Louisiana splits across several codes worth knowing: 225 for Baton Rouge, 318 for the north of the state, 337 for the southwest, and 504 for New Orleans. Each follows the same pattern of +1, the code, then the number.

What it costs and how billing works

Calls to any US area code cost about $0.046 per minute, and the rate is the same whether you reach a mobile or a landline because the US uses one flat rate. There is a small $0.004 connection fee per call.

Billing is per minute with no monthly plan, and the credit you add never expires. The first call is free, with no credit card required, so you can test any number before you top up.

How area codes are organized

An area code originally mapped to one region, and big cities often hold the oldest, shortest to remember codes, like 212 in Manhattan or 312 in downtown Chicago. As regions ran out of numbers, new codes were layered on top of the same area, which is called an overlay, so a single city can now have several codes in use at once.

This is why the area code no longer tells you exactly where a phone is. Someone in Atlanta might carry a 404, 470, or 678 number, and a person who moved from Miami may still use a 305 number years later. For dialing it does not matter, since you always dial +1, the code, then the number, whichever code it happens to be.

Worked example: calling a New Orleans number

Say you need to reach a business in New Orleans whose number is printed as (504) 555 0123. In StartACall you type +1 504 555 0123 as one continuous string, then press call. The 504 is the area code for New Orleans, and the rest is the seven digit local number.

The same shape works for every example above. A New York number becomes +1 212 and its digits, a Houston number becomes +1 713 and its digits, and a Baton Rouge number becomes +1 225 and its digits. The price is identical for all of them at about $0.046 per minute, since US area codes do not change the rate.

Calling any area code from anywhere

Because the call goes over the internet from your browser, the area code you dial has nothing to do with where you are sitting. You can reach a 212 New York line from a laptop in another country exactly as easily as a 404 Atlanta line, with no roaming and no SIM.

This is useful when you keep contacts across several US cities. A 312 in Chicago, a 305 in Miami, and a 504 in New Orleans are all the same to dial, the same flat rate, and all reachable from the one StartACall tab. You only ever change the digits after +1.

Frequently asked questions

How do I dial a US number from StartACall?+

Dial +1, the three digit area code, and the seven digit number, like +1 212 for New York. The whole string goes in at once.

Does the area code change the price?+

No. Every US area code costs the same, about $0.046 per minute, and the rate is identical for mobile and landline.

What are the Louisiana area codes?+

Louisiana uses 225 for Baton Rouge, 318 for the north, 337 for the southwest, and 504 for New Orleans.

Do I need to know if a US number is a mobile?+

No. The US has one flat rate for mobile and landline, so the type of line does not affect the price.

Can a single city have more than one area code?+

Yes. When a region runs out of numbers a new code is overlaid on the same area, so cities like Atlanta use several codes at once.

Does the area code tell me where the person is?+

Not reliably. People keep their number when they move, so a 305 Miami number might now belong to someone living elsewhere.

Can I call a US area code from another country?+

Yes. The call goes over the internet, so you reach a 212 New York or 404 Atlanta number from anywhere, with no roaming and the same flat rate.

Last reviewed June 2026Reviewed by the StartACall calling teamDialing rules cross checked against ITU international dialing procedures
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