Always include the exit code from India
India's international exit code is 00. On most mobile phones, you can also use the + symbol instead of 00. Without the exit code, your call will not leave the Indian network.
Quick Answer
From India, dial 00-1-[area code]-[local number] or +1-[area code]-[local number] to reach any US phone. The US country code is +1, and all US numbers are 10 digits (3-digit area code + 7-digit local number). The same format works for both US mobiles and landlines.
$0.08
Per minute
+1
Country code
HD
Call quality
Landline rate
$0.08/min
Mobile rate
$0.08/min
Same per-minute Sayfone rate for landline and mobile.
Average call quality
With over 5.69 million Indians living in the US and more than 255,000 Indian students enrolled in American universities, the India-to-US calling corridor is one of the busiest in the world. Sayfone offers calls to the United States at just $0.08/min — right from your browser, with no app install required.
Steps at a glance
Sources
Authoritative source for country codes and international dialing formats
US country code +1 and area code structure
DIALING GUIDE
Follow these steps to successfully place a call from any Indian phone — mobile or landline — to the United States. The dialing sequence is the same whether you're calling a US mobile or landline number.
From a landline, dial 00. From a mobile phone, you can dial 00 or simply press and hold the 0 key to produce the + symbol, which replaces the exit code automatically.
00 or +
Enter 1 — this is the country code for the United States and routes your call to the US telephone network. It is shared with Canada and several Caribbean nations under the North American Numbering Plan (NANP).
00 1 or +1
Every US phone number begins with a 3-digit area code that identifies the region. For example, 212 is New York City, 310 is Los Angeles, and 312 is Chicago. You must always include the area code, even when calling US mobile numbers.
00 1 212 or +1 212
Complete the call by dialing the remaining 7 digits of the US phone number. The full sequence from India is: 00 + 1 + [area code] + [local number] — a total of 11 digits after the exit code.
00 1 212 555 0123 or +1 212 555 0123
International calls from India to the US typically connect within a few seconds. If you hear a fast busy tone or an error message, double-check that you included the exit code and that the area code is correct.
Dialing format reference
+1
Use these patterns when entering a full international number to +1.
Mobile
+1 (XXX) XXX-XXXX
Landline
+1 (XXX) XXX-XXXX
Major city area codes
Sources
US country code +1, area code structure, and dialing sequence
International numbering standard for country codes
Authoritative source for US area code assignments
IMPORTANT RULES
Keep these rules in mind to ensure your calls connect without issues. The US numbering system is straightforward, but a few details are unique.
India's international exit code is 00. On most mobile phones, you can also use the + symbol instead of 00. Without the exit code, your call will not leave the Indian network.
Unlike many countries, the United States uses an identical 10-digit format (3-digit area code + 7-digit number) for both mobile and landline phones. There is no way to distinguish between them from the number alone, and the dialing procedure is the same for both.
Some countries require a trunk prefix (0) before the area code for domestic calls, but when dialing the US from India internationally, you should never add a 0 before the area code. Go directly from +1 to the 3-digit area code.
Many US cities now have multiple area codes serving the same geographic area (overlay codes). If a call fails, verify you have the correct and current area code for the person you are trying to reach.
US toll-free numbers (starting with 800, 888, 877, 866, 855, 844, or 833) are designed for free domestic calls within the US. When dialing from India, these numbers may not connect or may incur international charges. Ask your contact for an alternative direct number if a toll-free number fails.
If you're calling from a smartphone in India, dialing +1 followed by the 10-digit US number is the simplest method. The + sign automatically inserts the correct exit code for your current network, so you don't need to remember 00.
TIMING & TIPS
India Standard Time (IST) is 9.5 to 12.5 hours ahead of the continental United States, depending on the US time zone. Planning your call around this gap ensures you reach people during reasonable hours.
The US spans four main continental time zones: Eastern (ET), Central (CT), Mountain (MT), and Pacific (PT). India has a single time zone (IST, UTC+5:30). During US Daylight Saving Time (typically March–November), the offset decreases by one hour.
Morning Call to US East Coast
8:00 PM – 10:00 PM IST
Reaches 10:30 AM – 12:30 PM ET — ideal for business calls
Evening Family Call to US West Coast
9:00 PM – 11:00 PM IST
Reaches 8:30 AM – 10:30 AM PT — morning hours in California
Early Morning Call (India) to US Evening
6:00 AM – 8:00 AM IST
Reaches 7:30 PM – 9:30 PM ET (previous day) — after-dinner hours in the US
Weekend Catch-Up Window
8:30 PM – 11:30 PM IST (Saturday)
Saturday morning in the US — relaxed time for personal calls
Sources
Interactive time zone converter for IST to US time zones
TROUBLESHOOTING
If your call isn't connecting, these are the most frequent causes and how to fix them.
The most common cause is a missing or incorrect exit code. Make sure you dial 00 (or +) before 1. If you dial just 1 followed by the number, the Indian network will treat it as a local call and fail.
This usually means the US area code is wrong or outdated. Many US cities have added new overlay area codes in recent years. Confirm the current area code with the person you're trying to reach.
US toll-free numbers (800, 888, 877, etc.) are often restricted to domestic callers. Ask for a direct-dial number instead, or try using a browser-based calling service like Sayfone that routes through the US network.
If you're calling over a traditional phone line, network congestion can cause quality issues, especially during peak hours. Switching to a Wi-Fi or data-based calling service often improves clarity and reliability.
Some Indian mobile plans do not have international calling enabled by default. Contact your carrier (Airtel, Jio, Vi, BSNL) to activate ISD (International Subscriber Dialing) on your account, or use a browser-based service that bypasses carrier restrictions.
Sources
Common reasons international calls fail
Savings
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220
min / month
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~$0.40/min
$0.080/min
Annual saving vs. AT&T
Based on 220 min/month
Before you go
Open the full India to United States guide, check rates, or browse other how-to guides from India.
India to United States calling guide
Per-minute rates, savings calculator, and what to expect on this route.
What it costs to call United States
See Sayfone’s per-minute rate for United States and how it compares before you dial.
Route guides from India
FAQ
Answers to the most common questions about dialing US numbers from India, including codes, costs, and timing.
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