Calling Singapore from the United States may seem daunting, but with the right information, it’s easy to connect. In this comprehensive guide, we’ll walk you through everything you need to know to make calls to Singapore from the US.

If you’re short on time, here’s a quick answer: To call a Singapore phone number from the US, you dial 011 + 65 + the 8 digit Singapore number. The country code for Singapore is 65. Be mindful of the time difference between the US and Singapore when making calls.

Determine the Time Difference Between the US and Singapore

Singapore is 12-15 hours ahead of the US depending on location

When making international calls, it’s important to consider the time difference between the countries involved. In the case of calling Singapore from the USA, Singapore is typically 12-15 hours ahead, depending on the specific location within the US.

This means that when it’s daytime in Singapore, it’s nighttime in the US, and vice versa.

Schedule calls during mutually convenient times

To ensure that your calls to Singapore are successful, it’s crucial to find mutually convenient times for both parties. This means taking into account the time difference and finding a window where both you and the person you’re calling are available.

It’s best to avoid calling during the early morning or late evening, as this might be inconvenient for the person you’re contacting.

One useful tip is to use online tools or smartphone apps that can help you determine the current time in Singapore and compare it to your local time. This can make scheduling calls much easier and prevent any confusion.

For more information and resources on calling Singapore from the USA, you can visit the official website of the Singapore Expats. They provide detailed guides and tips on making international calls to Singapore, including information on time differences, calling codes, and more.

Dialing Format to Call Singapore from the US

Dial 011 to access an international line

When calling Singapore from the United States, the first step is to dial the international access code. In the US, this code is 011. By dialing 011, you are indicating that you want to make an international call.

Input 65 which is Singapore’s country code

After dialing the international access code, the next step is to input Singapore’s country code, which is 65. Country codes are used to identify specific countries in international calling. In this case, 65 represents Singapore.

Dial the 8 digit Singapore phone number

Once you have entered the country code, you will need to dial the 8-digit phone number of the person or business you are trying to reach in Singapore. It is important to ensure that you have the correct number to avoid any connection issues.

So the full format is: 011 + 65 + 8 digit phone number

To summarize, the complete dialing format for calling Singapore from the US is: 011 + 65 + 8-digit phone number. By following this format, you will be able to connect with your desired contact in Singapore.

caller ID

When making international calls from the USA to Singapore, it is important to understand how your caller ID will appear to the person you are calling. In most cases, your US number may show up as ‘Unknown Caller’ or ‘Private Number’ on the recipient’s phone.

Your US number may show up as ‘Unknown Caller’ or ‘Private Number’

Due to the differences in telecommunications systems between countries, the caller ID information may not always be transmitted accurately. This means that when you make a call to Singapore from the USA, your US phone number may not be displayed on the recipient’s phone.

Instead, it may appear as ‘Unknown Caller’ or ‘Private Number’.

This can be a disadvantage if you want the person you are calling to recognize your number and take the call. They may be more hesitant to answer or may not even pick up the call if they see it as an unknown or private number.

It is important to inform the person you are calling that your number may appear as ‘Unknown Caller’ or ‘Private Number’ so that they know it is you calling.

Consider using a calling service to display your US number

If you want your US number to be displayed accurately when making calls to Singapore, you may consider using a calling service that allows you to display your actual US phone number. These services typically use Voice over Internet Protocol (VoIP) technology to connect your call.

By using a calling service, you can ensure that your US number is displayed on the recipient’s phone, making it easier for them to recognize your call and take it.

There are several calling services available that offer this feature. One popular service is Skype, which allows you to make international calls and display your US phone number. Another option is Google Voice, a service that provides a US phone number that you can use to make calls from anywhere in the world.

By utilizing a calling service, you can overcome the issue of your US number appearing as ‘Unknown Caller’ or ‘Private Number’ when calling Singapore from the USA.

Using Calling Cards or Online Calling Services

When it comes to calling Singapore from the USA, there are several options available. One popular choice is to use calling cards, which allow you to make international calls for a set fee. These cards can be purchased online or at retail stores, and they typically offer competitive rates for international calls.

The advantage of using calling cards is that they provide a convenient and cost-effective way to stay connected with your friends, family, or business contacts in Singapore.

Calling cards allow you to make international calls for a set fee

Calling cards work by providing you with a unique access number and PIN that you can use to make international calls. To call Singapore, you simply dial the access number, enter your PIN, and then dial the Singaporean phone number.

The cost of the call is deducted from the balance on your calling card. Some calling cards also come with additional features, such as the ability to recharge your balance online or the option to check your call history.

Online calling services like Skype also provide low-cost options

In addition to calling cards, there are also online calling services that offer low-cost options for calling Singapore. One popular online calling service is Skype, which allows you to make voice and video calls over the internet.

With Skype, you can call landlines and mobile phones in Singapore at affordable rates. All you need is a stable internet connection and a Skype account to get started. Skype also offers additional features such as instant messaging, file sharing, and conference calls, making it a versatile option for staying connected.

Compare rates across providers for best value

Whether you choose to use calling cards or online calling services, it’s important to compare rates across providers to ensure you get the best value for your money. Rates can vary depending on the provider, so it’s worth taking the time to do some research and compare prices.

You can also consider reading reviews and checking customer ratings to get an idea of the quality of service offered by different providers. Websites like or can provide you with more information on rates and features offered by different calling card and online calling service providers.

Using a Cell Phone in Singapore

When traveling to Singapore, it’s important to have a reliable means of communication. Using your cell phone can be a convenient option, but there are a few things to consider before making calls from Singapore.

Purchasing a local SIM card in Singapore may be the best option for frequent callers

If you plan on making frequent calls while in Singapore, purchasing a local SIM card can be a cost-effective solution. SIM cards are readily available for purchase at various locations, including convenience stores, electronics shops, and airport kiosks.

By inserting a local SIM card into your phone, you can enjoy local rates for calls, texts, and data usage.

One popular option is to purchase a prepaid SIM card, which allows you to top up the credit as needed. This is especially useful for travelers who don’t want to be tied down to a long-term contract.

Allows you to make calls within Singapore for local rates

By using a local SIM card, you can make calls within Singapore for local rates. This can be particularly beneficial if you need to make frequent calls to local businesses, hotels, or tour operators. With a local SIM card, you won’t have to worry about incurring high international calling charges.

Additionally, having a local phone number can make it easier for locals to contact you during your stay in Singapore. Whether it’s for business or personal reasons, having a local SIM card ensures that you can easily stay connected.

Check with your US provider on international coverage options

If you prefer to use your US cell phone while in Singapore, it’s important to check with your provider on international coverage options. Some US providers offer international calling and data plans that allow you to use your phone abroad for a fixed fee.

However, it’s worth noting that international roaming charges can be quite expensive. Before traveling, it’s a good idea to call your provider and inquire about their international plans, as well as any additional charges that may apply.

This will help you avoid any surprises when you receive your phone bill.

Being Mindful of Timezones and Business Hours

Schedule calls during Singapore’s business hours if possible

When calling Singapore from the USA, it is important to be mindful of the time difference between the two countries. Singapore Standard Time (SST) is typically 13 hours ahead of Eastern Standard Time (EST), which means that when it is daytime in Singapore, it may be nighttime in the USA.

To ensure that you are able to reach your contacts in Singapore, it is recommended to schedule your calls during Singapore’s business hours.

Singapore’s business hours typically fall between 9:00 AM and 6:00 PM local time, Monday to Friday. By scheduling your calls within this timeframe, you increase the likelihood of reaching the person you are trying to get in touch with and avoid inconveniencing them during their off-hours.

Morning hours in the US may be evening hours in Singapore

It’s important to keep in mind that when it is morning in the US, it may already be evening in Singapore. For example, if it is 9:00 AM on the east coast of the US, it would be 10:00 PM in Singapore. This can be particularly relevant if you are looking to schedule a call during the morning hours in the US.

To avoid calling too late in the evening in Singapore, it is recommended to plan your calls accordingly. If you need to reach someone in Singapore during their morning hours, consider scheduling the call towards the end of their business day, when it is still morning in the US.

This way, you can ensure that both parties are available and able to have a productive conversation.

Pro tip: To easily determine the current time in Singapore, you can use online time zone converters or world clock websites like Time and Date. These tools can help you accurately calculate the time difference between your location and Singapore, making it easier to schedule your calls at the most convenient time for both parties.


Calling Singapore is straightforward once you understand the dialing format, time difference, and various calling options. With the tips provided, you can easily stay connected with friends, family, and business contacts in Singapore.

Remember to be mindful of the time difference and schedule calls during convenient hours for both parties. Happy calling!

Similar Posts