How To Call United States From Singapore
Quick Reference Summary
To call the United States from Singapore:
001 + 1 + Area Code + Local Number
Examples:
- For New York landline: 001 + 1 + 212 + XXX XXXX
- For California mobile phone: 001 + 1 + 310 + XXX XXXX
When it’s 12 PM (noon) in Singapore, it’s 8 PM (previous day) in Los Angeles and 11 PM (previous day) in New York.
How to Call the United States from Singapore
Calling the United States from Singapore is straightforward if you follow these steps:
- Dial Singapore’s international access code: 001 (or 002, 008 depending on your phone company)
- Dial the United States country code: 1
- Dial the 3-digit US area code
- Dial the 7-digit local phone number
For example, if you’re calling a New York number (212) 555-7890, you would dial 001 1 212 555 7890 from Singapore.
How to Call US Mobile Phones
Unlike many other countries, the United States doesn’t use separate mobile phone codes. Both landlines and mobile phones follow the same format:
- Dial Singapore’s international access code: 001 (or 002, 008)
- Dial the US country code: 1
- Dial the 3-digit area code
- Dial the 7-digit phone number
For example, to call a mobile phone in Los Angeles (213) 555-1234, you would dial 001 1 213 555 1234.
Different Ways to Dial Internationally from Singapore
Singapore offers several international access codes depending on which phone company you use:
- 001: SingTel
- 002: M1
- 008: StarHub
The code you choose might affect how much your call costs. If you’re using a phone card, follow the instructions that came with your card.
Understanding US Phone Numbers
All US phone numbers follow the same format:
Format for US Numbers
- Country code: 1
- 3-digit area code
- 7-digit local number (often written as XXX-XXXX)
Total digits: 10 (excluding the country code)
Unlike many countries, US phone numbers don’t have a “0” prefix before the area code for domestic calls, so you simply dial the area code as is.
Major US Area Codes
The United States has hundreds of area codes, organized by geographic regions. Here are some of the most common ones:
Northeast
City/State | Area Code |
---|---|
New York City, NY | 212, 646, 332, 917 |
Boston, MA | 617, 857 |
Philadelphia, PA | 215, 267 |
Washington DC | 202 |
Baltimore, MD | 410, 443 |
Pittsburgh, PA | 412 |
Buffalo, NY | 716 |
Newark, NJ | 973, 862 |
Hartford, CT | 860 |
Providence, RI | 401 |
Midwest
City/State | Area Code |
---|---|
Chicago, IL | 312, 773, 872 |
Detroit, MI | 313, 248 |
Cleveland, OH | 216 |
Minneapolis, MN | 612, 952 |
St. Louis, MO | 314 |
Indianapolis, IN | 317 |
Milwaukee, WI | 414 |
Columbus, OH | 614 |
Kansas City, MO | 816 |
Cincinnati, OH | 513 |
South
City/State | Area Code |
---|---|
Miami, FL | 305, 786 |
Atlanta, GA | 404, 770, 678 |
Dallas, TX | 214, 469, 972 |
Houston, TX | 713, 281, 832 |
New Orleans, LA | 504 |
Nashville, TN | 615 |
Charlotte, NC | 704 |
Memphis, TN | 901 |
Orlando, FL | 407 |
Austin, TX | 512 |
San Antonio, TX | 210 |
Tampa, FL | 813 |
Jacksonville, FL | 904 |
Raleigh, NC | 919 |
Oklahoma City, OK | 405 |
West
City/State | Area Code |
---|---|
Los Angeles, CA | 213, 310, 323, 424, 661, 747, 818 |
San Francisco, CA | 415, 628 |
Seattle, WA | 206 |
Denver, CO | 303, 720 |
Phoenix, AZ | 602, 480, 623 |
Portland, OR | 503 |
San Diego, CA | 619, 858 |
Salt Lake City, UT | 801 |
Las Vegas, NV | 702 |
Sacramento, CA | 916 |
San Jose, CA | 408 |
Honolulu, HI | 808 |
Anchorage, AK | 907 |
Time Difference
The United States spans multiple time zones, which means the time difference varies depending on which part of the US you’re calling:
- Eastern Time (ET): New York, Washington DC, Miami
- 12-13 hours behind Singapore (13 hours during US DST, 12 hours during standard time)
- Central Time (CT): Chicago, Dallas, Houston
- 13-14 hours behind Singapore
- Mountain Time (MT): Denver, Phoenix, Salt Lake City
- 14-15 hours behind Singapore
- Pacific Time (PT): Los Angeles, San Francisco, Seattle
- 15-16 hours behind Singapore
- Alaska Time (AKT): Anchorage
- 16-17 hours behind Singapore
- Hawaii-Aleutian Time (HAT): Honolulu
- 17-18 hours behind Singapore
Remember that most of the United States observes Daylight Saving Time (DST) from the second Sunday in March to the first Sunday in November, which affects the time difference by one hour during these periods.
Special Numbers to Know
Service Numbers
- 1-800, 1-888, 1-877, 1-866, 1-855, 1-844, 1-833: Toll-free numbers (may be accessible internationally but charges may apply)
- 1-900: Premium rate services (generally not accessible from abroad)
Emergency Numbers
- 911: Emergency services (police, fire, ambulance)
Calling Business Extensions
When calling a business in the US that has extensions:
- Dial the full international number as usual
- Wait for the automated system to answer
- Then enter the extension number when prompted
Most US businesses have automated answering systems with English language menus.
Best Time to Call
Because of the significant time difference between Singapore and the United States, finding the best time to call requires some planning:
- For East Coast (New York, Washington DC, etc.):
- Singapore 9 PM – 11 AM = US East Coast 9 AM – 11 PM
- Best window: Singapore 9 PM – 11 AM
- For West Coast (Los Angeles, San Francisco, etc.):
- Singapore 12 AM (midnight) – 2 PM = US West Coast 9 AM – 11 PM
- Best window: Singapore 12 AM – 2 PM
Business hours in the US are typically:
- 9:00 AM – 5:00 PM Monday to Friday
- Government offices usually operate similar hours
- Many retail businesses are open longer hours, including weekends
Call United States For Less With Singapore Phone Cards
Calling the United States from Singapore can be expensive with regular phone companies, but Singapore Phone Cards offers an affordable way to stay in touch with family, friends, or business contacts in the US.
Our Kamusta Ka Kabayan Phone Card offers exceptional value for calls to both US landlines and mobile phones at just 2¢ per minute with no connection fees. We charge in 2-minute billing increments, ensuring you get the most talk time for your money.
Kamusta Ka Kabayan Phone Card Pricing
Price | Talk Time |
---|---|
SG$ 10.00 | 8h 19min |
SG$ 20.00 | 16h 39min |
SG$ 50.00 + SG$ 5.00 bonus | 45h 49min |
Buy Kamusta Ka Kabayan Phone Card here
See all our best phone cards for calling the US here
Using our service is simple and easy:
- Dial the local access number we provide
- Enter your 10-digit PIN number
- Dial United States (1 + area code + local number)
You can use our service from any landline or mobile phone in Singapore. What makes our service special:
- Call to 200+ countries including all states in the US
- Call from landline or mobile with the same great rates
- No hidden fees or extra charges
- 100% prepaid so you’re always in control
- No reactivation fees even if you don’t use your card for a while
- Phone card details sent right away by email
- Your credit rolls over so you never lose what you’ve paid for