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Calling US from Indonesia
How Do I Call the US from Indonesia?
To call the US from Indonesia, dial the international dialing prefix supported by the Indonesian telecom operator, followed by the US country code, the 3-digit area code, and the 7-digit local phone number.
Indonesia uses different IDD (International Direct Dialing) prefixes for international calls, depending on the operator. For instance, Indosat uses 001 and 008, while Telkom uses 007 for international calls. So, before dialing, check which prefix works with the carrier you are using.
To call the US from Indonesia, dial:
IDD prefix + 1 + 3-digit area code + 7-digit local number

Calling the US from Indonesia
Calling a US Landline or Mobile Number from Indonesia
Follow these steps to call a US landline or mobile number from Indonesia:
Dial the IDD prefix
Enter the international dialing prefix provided by the Indonesian telecom operator.
Dial the US country code
Enter 1, the country code for the United States.
Enter the US area code
Dial the 3-digit area code of the city or region being called.
Dial the local phone number
Enter the 7-digit local number to complete the call.


Dialing Codes Needed for Calling USA from Indonesia
Calling the US from Indonesia requires four specific codes: the Indonesian exit code, the US country code, the area code, and the local subscriber number. Understanding what each prefix does and where it fits in the dialing sequence helps ensure the call reaches the right destination without errors.
1. Indonesia Exit Code
Indonesia uses operator-specific IDD prefixes as the exit code. The prefix routes the call from Indonesia to an international phone network through the selected carrier.
When calling from a mobile phone, the + sign can be used to replace the IDD codes.
Common IDD prefixes used in Indonesia include:
Operator | IDD Prefix |
| Indosat | 001, 008 |
| Telkom / Telkomsel | 007 |
2. US Country Code
The US country code is 1. It must be placed after the IDD prefix when dialing from Indonesia.
This code identifies the United States as the destination country before the call moves to the specific city or region through the area code.
3. US Area Codes
US area codes are 3-digit regional identifiers used to route calls to a specific city, state, or service area in the United States. There are approximately 335 US area codes in total, including 317 geographic and 18 non-geographic area codes.
City/Region | Area Codes |
| New York City, NY | 212, 718, 917, 646, 929 |
| Los Angeles, CA | 213, 323, 310, 818, 424 |
| Chicago, IL | 312, 773, 708 |
| Houston, TX | 713, 281, 832 |
| Miami, FL | 305, 786 |
| Dallas, TX | 214, 469, 972 |
| Seattle, WA | 206, 253, 425 |
| Denver, CO | 303, 720 |
| Phoenix, AZ | 602, 480, 623 |
| Philadelphia, PA | 215, 267 |
4. Local Subscriber Number
The local subscriber number is the last 7 digits of a US phone number. It comes after the area code and identifies the exact landline, mobile user, business, or service being called.
US local numbers are usually written in a 3-4 format, such as 555-123X. When calling from Indonesia, enter it exactly as provided after the area code.
Alternative Ways to Call America from Indonesia
To reach the US from Indonesia, traditional carrier dialing is not the only option. Virtual phone numbers, calling cards, voice and video conferencing apps, and Wi-Fi calling are other viable alternatives. These options offer more flexibility, lower costs, or better convenience depending on how often you call and what type of communication you need.
Virtual Phone Numbers
A virtual phone number lets you make phone calls over the internet instead of a physical SIM card. It allows callers in Indonesia to reach American landline and mobile numbers without relying only on standard carrier dialing.
This option is more convenient for businesses that contact American customers, partners, or remote teams regularly. Moreover, with a US virtual phone number, companies in Indonesia can call US clients at local rates, and vice versa.
Voice/Video Conferencing Apps
Voice and video conferencing apps like Zoom, Google Meet, and Microsoft Teams allow calls to America over the internet. They work well for meetings, interviews, team discussions, and scheduled personal calls.
For these calls, the host usually shares a meeting link or gives app access, and the other person joins through the same platform. These apps are better for online conversations than direct calls to American landline or mobile numbers.
Wi-Fi Calling
Wi-Fi calling is a built-in smartphone feature that lets a mobile phone place calls through a Wi-Fi network instead of a cellular signal through the phone’s regular dialer. It can be helpful when mobile coverage is weak, but the Wi-Fi connection is strong.
For travelers, Wi-Fi calling is a good choice for calling their home country, as calls may be free or charged at local rates depending on the mobile plan. However, calling a US number from Indonesia may still be treated as an international call by the carrier, so check the provider’s rates before dialing.
Calling Cards
Calling cards provide prepaid minutes for international calls from Indonesia to America. They can be useful for occasional calls, especially when you want to set a fixed budget before dialing.
Depending on the provider, the calling process may vary. Some cards require you to dial an access number and PIN before entering the US phone number, while others allow PINless dialing through a registered number or app.
What is the Best Time for Calling the US from Indonesia?
The best time to call the US from Indonesia is during US business hours, usually between 9:00 AM and 5:00 PM in the recipient’s local time zone. For personal calls, you can call based on the recipient’s availability. However, checking the local US time first helps avoid calling too early, too late, or during work hours.
Indonesia has three time zones: Western Indonesia Time (WIB, UTC+7), Central Indonesia Time (WITA, UTC+8), and Eastern Indonesia Time (WIT, UTC+9). The United States spans four major time zones: Eastern, Central, Mountain, and Pacific. So, the best calling time depends on both the Indonesian region you are calling from and the US state or city you are trying to reach.
The table below uses Jakarta time (WIB) as the reference for Indonesia. If you are calling from other Indonesian regions, adjust the time based on your local time zone: add 1 hour for Central Indonesia Time (WITA) and 2 hours for Eastern Indonesia Time (WIT).

US Time Zone | Time Difference from Jakarta | Best Time to Call from Jakarta, Indonesia | Corresponding Time in the US |
| Eastern Time | 11 hours behind Jakarta | 8:00 PM – 4:00 AM | 9:00 AM – 5:00 PM |
| Central Time | 12 hours behind Jakarta | 9:00 PM – 5:00 AM | 9:00 AM – 5:00 PM |
| Mountain Time | 13 hours behind Jakarta | 10:00 PM – 6:00 AM | 9:00 AM – 5:00 PM |
| Pacific Time | 14 hours behind Jakarta | 11:00 PM – 7:00 AM | 9:00 AM – 5:00 PM |
Things to Consider Before Calling the US from Indonesia

Verify the Number Format
Before dialing, confirm the IDD prefix of your Indonesian telecom operator, as different operators use different prefixes. Using an incorrect prefix will prevent your call from connecting to America.

Check Call Rates with Carrier
International call rates vary by operator and the type of number being called. Review your carrier's international rates in advance to avoid unexpected charges on your bill. Also, check if the carrier adds connection fees, service charges, or taxes on top of the per-minute rate.

Ensure Reliable Connectivity
Your call quality depends on network strength on both ends. For a clearer and more stable call, use a strong cellular signal or a reliable internet connection if you’re calling through a web-based platform.

How Much Does It Cost to Call the USA from Indonesia?
On average, calling the United States from Indonesia through a traditional carrier can cost around $0.03 to $0.33 per minute. The final rate depends on the Indonesian operator, calling plan, and whether the number is a landline or mobile.
VoIP-based calling offers a more cost-effective alternative. Calilio, for instance, allows you to call the US at lower international rates with clear call quality and upfront pricing, helping you avoid unpredictable charges.

Use the pricing tool below to check the current call rates with Calilio:
Call Routing Detail

Call Time Estimate
Call rate starts at
$0 per minute
Amount equivalent to
0 minute
These rates are for reference purposes only and don't represent a binding agreement between the customer and Calilio. Price may vary according to number operator.
Frequently asked questions
What happens if I dial the wrong Indonesian exit code?
If you dial the wrong exit code, the call may not connect to the US. Since Indonesia uses operator-specific IDD prefixes, the prefix must match the telecom provider or calling plan. If the call fails, check whether the carrier supports prefixes like 001, 007, or 008 for international calls.
How do I dial a US number from an Indonesian mobile phone?
Is it possible to make a free call to the US from Indonesia?
Can I get a US phone number while living in Indonesia?

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