How to Make an International Call From the US

International Calling Format From the US

To call an international number from the United States, enter the dialing parts in the correct order. The standard sequence is the US international exit code, the destination country code, the area or mobile code, and the local number.

1. Enter 011, the international exit code used when dialing from the US.
2. Enter the country code for the country you are calling.
3. Enter the correct area code or mobile code, following that country’s international dialing rules.
4. Enter the remaining local number.

Do not add spaces, dashes, or parentheses unless your phone inserts them automatically. These marks can make a number easier to read, but they are not part of the dialing sequence.

Before placing the call, confirm the country code and the complete destination number with the person or organization you are trying to reach. A number displayed in domestic format may not be ready for an international call.

This is the basic international calling format from the US. It applies whether you are searching for how to call another country from the US or how to dial overseas from the US, but the destination country’s numbering rules still control which digits belong after the country code.

How to Dial on a Mobile Phone

On a mobile phone, you can usually begin an international number with a plus sign instead of the US exit code. Press and hold the key that produces the plus sign, then enter the country code and the rest of the verified destination number.

1. Open the phone’s dial pad.
2. Enter the plus sign, or enter 011 if your carrier and device accept that format.
3. Enter the destination country code.
4. Enter the area or mobile code and local number in the country’s approved international format.
5. Review the digits, then place the call.

The plus sign tells the mobile network that the following digits form an international number. It is also useful when a contact may be called from different countries.

If the number was sent to you in a message or saved in your contacts, do not guess which digits to add or remove. Compare it with a number published through the recipient’s verified official channel or ask the recipient to confirm its international format. This is the safest approach when checking how to dial an international number from the US on a mobile phone.

How to Dial From a Landline

From a standard US landline, enter 011, followed by the country code, the destination area or mobile code, and the local number. Wait until you have entered the complete sequence before expecting the call to begin connecting.

A business, hotel, hospital, or office phone system may require an extra digit to reach an outside line. That digit belongs before 011 and is set by the organization, not by the destination country. Check the instructions printed near the phone, ask the front desk, or contact the organization’s phone-system administrator.

If you hear an internal error message, the phone system may block international calls even when the number is formatted correctly. Try a phone that is authorized for outside international dialing or ask the person responsible for the system to check its restrictions.

Remove Domestic Prefixes Before Calling

Some countries place a domestic trunk prefix before an area or mobile code when a call is made inside that country. That prefix may need to be omitted when the same number is called internationally. Keeping it can add an extra digit and prevent the call from connecting.

Do not remove a leading digit based only on how another country formats its numbers. Rules vary, and a digit that looks like a domestic prefix may be a required part of a mobile or area code.

Verify the correct format using the destination country’s official telecommunications or numbering authority. You can also check the recipient organization’s official contact page or ask the recipient to provide the number exactly as it should be dialed from abroad. Use the verified sequence without making further country-specific changes.

If the International Call Does Not Connect

If an international call fails, end the attempt and check the number before dialing again. Repeated attempts will not fix a missing country code, an extra domestic prefix, or a transposed digit.

• Check the format: Confirm the exit code or plus sign, country code, area or mobile code, and local number.
• Check international calling: Your account or line may not have international dialing enabled.
• Check restrictions: Parental controls, account-level blocks, office phone rules, or device settings may prevent the call.
• Check the network: Move to an area with a stable signal, turn airplane mode off, or reconnect the landline handset securely.
• Check the destination: Some networks or accounts may not support calls to every country, territory, service type, or special-number range.
• Check the recipient’s number: Ask whether it has changed and whether it accepts calls from outside the country.

If ordinary domestic calls also fail, the problem may be with your device, line, or network rather than the international dialing format.

Confirm International Calling With Your Carrier

If you still need help with how to make an international call from the US, confirm that international dialing is active on your line. Use your carrier’s official website or account app and look for a section labeled account settings, line settings, calling features, international services, or call restrictions.

For a landline, check the carrier’s official support or contact page. If the line belongs to an employer, hotel, school, or other organization, contact the person who manages its phone service.

Use only verified official channels. Find support through the carrier’s own website, official app, account documents, or a recent statement. Avoid contact details copied from search-result snippets, forums, or unofficial directories.

Have your account verification details, the line you are calling from, the destination country, and any error message ready. Ask whether international calling is enabled, whether the destination or number type is supported, and whether a block applies to the line. This final check can separate a carrier restriction from an error in how to call an international number from the US.