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The country calling code for the United States is +1. You use this country code for the USA to connect calls from outside the country. The International Telecommunication Union assigns this calling code as part of the North American Numbering Plan. When you dial the international country code, your call moves from your local network to the US network. The country code for the USA helps route your call so it reaches the correct destination.

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You use the country code +1 when you want to call the United States from another country. This code is not unique to the US. Canada and several Caribbean countries also use the +1 calling code. The reason for this shared code comes from the North American Numbering Plan (NANP). In the mid-20th century, phone use grew quickly. The NANP started in 1947 to organize phone numbers across North America and nearby regions. The plan grouped the United States, Canada, and many Caribbean nations under one system. Each country or region gets a three-digit area code after the +1. This helps you reach the right place, even though many countries share the same country code.
Note: The +1 code makes it easier to call between these countries. You only need to add the correct area code to reach your contact.
The United States country code helps route your call to the right network. When you dial internationally, you always start with the international country code for the USA, which is +1. This code tells the phone system that your call should go to the United States or another NANP country.
You use the country code for the USA in many situations. If you call from a landline, you first dial your country’s international exit code. For example, you might dial 011 if you are calling from the United States to another country. If you call from outside the US, you start with your own exit code, then add +1, the area code, and the local number. On mobile phones, you can often use the + sign instead of the exit code.
Here is a simple breakdown of how you use the country code for the USA:
1. Dial the international exit code for your country (or use + on a mobile phone).
2. Enter the United States country code, which is +1.
3. Add the three-digit area code.
4. Finish with the seven-digit local phone number.
You use the +1 calling code for all international calling to the United States, Canada, and some Caribbean countries. This system works for landlines, mobile phones, and even some VoIP services. Some internet-based apps, like WhatsApp or Skype, may not require the country code if you use their contact lists, but you still need it for traditional phone calls.
Many people make mistakes when dialing the country code for the USA. Here are some common errors:
Tip: Always check the full number format before you call. Make sure you include the correct international dialing code and area code.
You might see both +1 and 011 when learning about international dialing. These codes have different jobs:
For example, if you call the United States from China, you dial 00 (China’s exit code), then 1 (the country code for the USA), then the area code and local number. On a mobile phone, you can use +1 instead of the exit code and country code.
| Step | What to Dial | Example |
|---|---|---|
| 1 | Exit code | 00 (from China) or + (on mobile) |
| 2 | Country code | 1 (for the US, Canada, Caribbean) |
| 3 | Area code | 212 (for New York) |
| 4 | Local number | 555-1234 |
The country code system helps phone networks send your call to the right country. The +1 calling code is essential for international dialing to the United States and other NANP countries.

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You may wonder how to call the USA from another country. The process uses a few simple steps. You need to know the international exit code for your country, the US country code, the area code, and the local number. Here is a clear guide for calling the US:
Tip: On most mobile phones, you can use the plus (+) sign instead of the exit code. This makes international dialing easier.
Here is a table to help you understand the steps for how to call the USA from different countries:
| Country | Exit Code | Example Call to New York (646-555-2345) |
|---|---|---|
| India | 00 | 00 1 646 5552345 |
| United Kingdom | 00 | 00 1 646 5552345 |
| Canada | 011 | 011 1 646 5552345 |
| Japan | 010 | 010 1 646 5552345 |
| Australia | 0011 | 0011 1 646 5552345 |
| Mobile Phone | + | +1 646 5552345 |
You can see that the dialing code for the US always comes after the exit code. If you use a mobile phone, the plus sign replaces the exit code. This method works for both personal and business calls. Many businesses use virtual numbers or VoIP services to save money and add features, but the dialing steps stay the same.
When you learn how to call the USA, you need to know the correct phone number format. The US phone number system uses a fixed pattern. Every US phone number has ten digits after the country code. The format looks like this:
For example, if you want to call a number in New York, you might dial: +1 718 222 2222. The area code (718) tells the system which city or region to reach. The last seven digits are the local number.
Note: Toll-free numbers in the US start with special area codes like 800, 888, or 877. You use the same format when calling these numbers.
The US phone number format is different from many other countries. Some countries use longer or shorter numbers, or they may have a trunk prefix like 0. In the US, you never use a leading zero. The format stays the same for all cities and states.
Here are some common area codes for major US cities:
| City | State | Example Area Codes |
|---|---|---|
| New York City | NY | 212, 646 |
| Los Angeles | CA | 213, 310, 323, 424 |
| Chicago | IL | 312, 773, 872 |
| Washington, DC | DC | 202 |
| San Francisco | CA | 415, 628 |
| Miami | FL | 305, 786 |
| Dallas/Fort Worth | TX | 214, 469, 972 |
| Boston | MA | 617, 857, 508, 781 |
| Seattle | WA | 206 |
| Philadelphia | PA | 215, 267 |
| Detroit | MI | 313 |
You can use these area codes to find the right region when calling the US.
You may ask how to call the USA from a landline or how to call the USA from a cell phone. The steps are similar, but there are some small differences.
When you use a landline, you must dial the full international exit code before the US country code. For example, if you are in the United Kingdom, you dial 00, then 1, then the area code and local number. This is the standard way for how to call the USA from a landline.
If you use a mobile phone, you can often start with the plus (+) sign. The plus sign tells your phone to use the correct exit code for your country. For example, you dial +1, then the area code and local number. This is the easiest way for how to call the USA from a cell phone.
Note: Some countries require you to drop the leading zero from the area code when calling internationally. The US does not use a leading zero, so you do not need to worry about this step.
The cost of calling the US can change based on your provider, the type of phone you use, and your calling plan. Landline rates are often higher without a plan. Mobile rates can be even higher, especially if you do not have an international plan. VoIP services like Skype or RingCentral offer much lower rates. Here is a chart that shows the difference in calling costs from several countries:

You can see that using a monthly plan or a VoIP service can save you a lot of money. For example, calling the US from India with a basic mobile rate can cost up to $5.00 per minute, but with Skype, the rate drops to just a few cents per minute.
When you learn how to call to the US, always check your provider’s rates and consider using a VoIP service if you want to save money. Remember, calling the US from a landline or a cell phone follows the same basic steps, but the dialing code and costs may change.
Tip: If you call the US often, look for international calling plans or apps that offer lower rates.
By following these steps, you can make sure your call to the US goes through without problems. Whether you use a landline or a mobile phone, knowing the right dialing code and phone number format will help you connect quickly.
You see area codes at the start of every us phone number. These three-digit numbers help route calls to the right region in the United States. The North American Numbering Plan (NANP) created the first area codes in 1947. At that time, there were only 86 area codes for the United States and Canada. The plan used a format called NXX, where N is a digit from 2 to 9 and X is any digit from 0 to 9. This system allowed for 800 possible combinations.
Over the years, the number of usa area codes has grown. Today, you find 335 area codes in the United States, including 18 non-geographic codes. This increase happened because more people needed phone numbers for mobile phones, fax machines, and other devices. In the 1990s, the system added area code splits and overlays to keep up with demand. The North American Numbering Plan Administration (NANPA) manages these codes. NANPA assigns area codes based on population, state boundaries, and the need for new numbers.
Note: Some states have many area codes, while others share just one. Special codes like N11 are not area codes but are reserved for services.
You may need to find the correct area code for a city or region before dialing an american phone number. Several online tools make this easy. AreaCode.org lets you search by city or state and shows maps of area code boundaries. AllAreaCodes.com offers a searchable database and lists area codes by state. Rozper provides a free lookup tool where you can enter a city, state, or area code to get detailed information, including time zone and nearby codes.
Here is a quick guide to using these resources:
These tools help you avoid mistakes and connect your call to the right place.
When you try to call the United States, you may face several problems. Here are some of the most common issues:
Tip: Always check your phone’s network settings and make sure you use the correct country code when making international calls.
You can solve most calling problems by following these steps:
To improve your chances of a successful call, use a local US caller ID if possible. Call during the best time to call the USA, usually between 8:30 AM and 7:30 PM local time. Avoid calling the same number many times in a row. Leave a clear voicemail and wait at least 30 minutes before trying again. Always use the correct country code and your country’s exit code. For example, from the UK, dial 00 + 1 + area code + local number. Ask your provider about rates, as calling US landlines and mobile phones may cost different amounts.
Note: The best time to call the USA depends on the time zone of the person you are calling. Try to avoid early mornings or late evenings.
You can save money by using free or low-cost services for calling USA for free. Many people look for the cheapest way to call the US, especially if they need unlimited calling to United States numbers. Here is a table of popular options:
| Provider | Starting Price (USD/month) | Free Calling to US & Canada | Key Features & Notes |
|---|---|---|---|
| Google Voice | Free (with Google Workspace) | Yes | Integrates with Google, good for personal and small business use. |
| OnSIP | Free plan available | Yes | Flexible, entry-level, no loss of features. |
| OpenPhone | $15 | Yes | No hardware needed, shared numbers, easy setup, good for small businesses. |
| RingCentral | $20 (annual plan) | 14-day trial | Voice, video, messaging, scalable, may be complex for solo users. |
| Vonage | $14.97+ | No | Unified communications, video conferencing (paid), some features cost extra. |
| Nextiva | $20 | Upgrade needed | Multichannel, no free trial, extra fees for CRM. |
Free VoIP services let you make voice and video calls over the internet. These services often include messaging, group calls, and work on many devices. They help you avoid high fees and offer flexibility. Many people use VoIP for calling USA for free and keep a regular phone as a backup for emergencies or when the internet is weak.
Note: VoIP apps need a strong internet connection for good call quality. Traditional calls may work better in areas with poor internet.
When you use any international calling method, remember to protect your privacy. Use secure networks, avoid public Wi-Fi, and keep your devices safe from malware. Privacy laws can change based on where you call from and which service you use.
Block Quote: The privacy rights of US persons in international communications are significantly diminished, if not completely eliminated, when those communications have been transmitted to or obtained from non-US persons located outside the United States.
You can call the United States easily by following these steps:
Check your number for mistakes, such as wrong codes or extra digits. If you have trouble, try internet calling apps or contact your provider. Save this guide for future calls and share it with others who need help calling the US.
You use +1 as the country calling code for the United States. This code helps you connect calls from outside the US. You must dial it before the area code and local number.
You can use internet apps like Google Voice or Skype for free or low-cost calls. Some services offer free calls to US numbers. Always check your internet connection for the best quality.
These numbers are toll-free. Businesses use them so you do not pay for the call. You may need special dialing steps from outside the US. Check with your provider for details.
Check your dialing format. Make sure you use your country’s exit code, then +1, the area code, and the local number. If you still have trouble, contact your phone provider or try a VoIP app.
| City | Area Code Example |
|---|---|
| New York | 212, 646 |
| Los Angeles | 213, 310 |
| Chicago | 312, 773 |
You can search online for area codes or use lookup tools like AreaCode.org.
This guide has given you all the tools you need to connect with friends, family, or business contacts in the United States. You’ve learned to navigate the specific codes, formats, and potential pitfalls of international calling. But this knowledge about calling is just the beginning. The real challenge for many global citizens lies in international finance, where sending money across borders can be just as complex and costly as making an international phone call. You need a solution that simplifies cross-border transactions, provides transparent rates, and saves you money. This is where BiyaPay comes in. Our platform provides real-time exchange rate queries and conversions for a wide range of fiat and digital currencies, and our remittance fees are as low as 0.5%.
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