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91 Phone Country Code: Complete Guide to Calling India (+91)

The 91 phone country code is India's dialing code. Learn to dial +91 from the US, format numbers, and use virtual numbers for SMS verification safely.

IB

Iacopo Bonandi, Founder & CEO

August 29, 2026

91 Phone Country Code: Complete Guide to Calling India (+91)

The 91 phone country code is the international dialing code assigned to India by the International Telecommunication Union (ITU). When you see +91 before a number, it tells the telephone network that the call or text is destined for India—the world’s second-most populous country and a major hub for business, tech support, and personal connections. Understanding how to use +91 correctly helps you avoid misdialed calls, unexpected charges, and missed SMS verifications.

What Exactly Is the 91 Phone Country Code?

The +91 prefix is India’s country calling code, not an area code or a network identifier. CountryCode.org’s India page explains that “The India country code 91 will allow you to call India from another country.” That means whenever you dial +91, the call routing system knows the destination is inside India’s telephone network. The code works for both voice calls and text messages, including SMS-based one-time passwords (OTPs) used by banks, social platforms, and e‑commerce sites.

Many people encounter +91 when they receive a WhatsApp verification code, a missed call from an Indian business, or an invitation to join an Indian service. Recognizing the prefix immediately tells you the number originates in India, not the United States, Pakistan, or any other nation.

How to Dial India with Country Code +91

Making a successful call to India requires the correct sequence of digits. From a landline or mobile, the pattern is:

Exit code + 91 + area code (without the leading zero) + local number

From the United States, the exit code is 011. So to call a Mumbai landline with area code 22 and number 1234 5678, you would dial 011 91 22 1234 5678. A February 2026 guide from Amantel details that “the country code for India is +91. It is required whenever you make a cheap international call to India from outside the country.” Similarly, a July 2026 post by SIPNEX confirms the same dialing steps and explains that calls from the U.S. must begin with 011.

Mobile phone users can take a shortcut: hold the “0” key until the “+” symbol appears, then dial 91 (the mobile automatically inserts the exit code). After the +91, enter the 10‑digit mobile number directly—Indian mobile numbers never start with a trunk prefix, so you don’t remove any leading digits.

India Area Codes and Mobile Number Formats

Indian area codes vary in length, usually between two and four digits. A few common ones:

  • New Delhi: 11
  • Mumbai: 22
  • Bangalore: 80
  • Chennai: 44
  • Kolkata: 33
  • Hyderabad: 40

Landline subscriber numbers can range from six to eight digits, depending on the city. Together, the area code and subscriber number form a 10‑digit national number.

Indian mobile numbers are always 10 digits and start with 7, 8, or 9. There is no separate area code for mobile phones, so after the +91 country code you dial the full 10‑digit number directly. This uniformity makes it easy to verify that you have the right digit count before placing a call.

Felt craft scene showing a woolen US-shaped patch connected to a woolen India-shaped patch by an embroidered phone line.

Step-by-step visual metaphor for dialing India from the US: exit code, then 91, then area code and number.

+91 and SMS Verification: Why You Might Need a Virtual Indian Number

If you’re traveling, living outside India, or simply don’t want to expose your primary number, a virtual Indian number can receive SMS verification codes. Many popular Indian services—e‑commerce platforms, banking apps, and social networks—send one‑time passwords only to +91 numbers.

Using a virtual number for SMS verification is straightforward. For legitimate account‑security needs, you can rent a temporary number that forwards texts to your email or a web dashboard. Our guide on how to receive SMS online without a phone walks through safe, fast methods to get those OTPs without a physical SIM card. Some users also prefer a burner phone number app for temporary privacy during one‑off verifications.

Keep in mind that not every online service accepts virtual numbers; the behavior depends on the platform’s fraud detection rules. Always test with a low‑stakes verification first rather than assuming universal acceptance.

Receiving SMS from Indian Services with a Virtual Number

When a +91 virtual number is active, incoming SMS messages appear in your service provider’s interface almost instantly. The process mimics regular SMS reception, but the message is delivered over the internet to your preferred device. This approach is particularly useful for receiving OTPs sent by Indian marketplaces, ride‑hailing apps, or government portals that require a local number.

For longer‑term use, consider a best VoIP service that offers Indian DID numbers. These services often bundle affordable international calling rates with SMS capabilities, making them a single solution for both voice and text communication with India.

Felt envelope with a padlock and a soft woolen phone, symbolizing secure SMS reception via a virtual number for Indian verifications.

A virtual phone number can receive SMS online securely for Indian service verifications.

Common Mistakes When Dialing the +91 Country Code

Even a small digit error can cause a call to fail or connect to the wrong destination.

  • Omitting the exit code: dialing 91 without 011 or + from the U.S. routes the call inside the North American Numbering Plan, not India.
  • Including the trunk prefix 0: many Indian landline numbers are written with a leading 0 (e.g., 022‑12345678). After the country code, you must drop that zero. So +91 22 12345678, not +91 022 12345678.
  • Confusing +91 with other South Asian codes: Pakistan uses +92, Bangladesh uses +880, and Sri Lanka +94. Double‑check the prefix to avoid unintended calls.
  • Expecting a 10‑digit format after the area code: landline numbers can total 10 digits including the area code, but the subscriber portion may be shorter. Always verify the full local format.
  • Ignoring India’s time zone: India Standard Time is UTC +5:30 with no daylight saving. Calling at what feels like early evening in the U.S. could mean waking someone up in the middle of the night in India.

If you repeatedly get a “number not in service” recording, recheck the digit count and the presence of the international prefix.

Security Considerations When Receiving Calls or Messages from +91 Numbers

The +91 prefix itself is not a sign of danger, but scammers do spoof Indian numbers to appear trustworthy. Common schemes include fake tech‑support calls, lottery scams, or impersonation of government officials.

Before acting on any unsolicited call or SMS from a +91 number, verify the request through an official channel—call back using a published customer service number, not the one displayed on your screen. Because caller ID can be manipulated, never rely on the incoming number alone as proof of identity.

From a privacy standpoint, using a temporary virtual number for SMS verification adds a valuable layer of separation. Your real phone number stays hidden, and the temporary number can be discarded if it starts receiving spam. While no solution guarantees complete anonymity, this practice significantly reduces your exposure.

FAQ

Which country code is +91 in the USA?

+91 is not a U.S. code. It is the country calling code for India. When dialed from the United States, you must first enter the U.S. exit code (011) followed by 91 and the Indian phone number.

Is +91 a Pakistani phone number?

No. Pakistan’s country code is +92. The code +91 is exclusively assigned to India. If you receive a call or text that appears to be from +91 but claims to be from Pakistan, the caller ID is likely being spoofed.

How do I dial a mobile number in India from the US?

Dial 011 (the U.S. exit code), then 91, and then the 10‑digit Indian mobile number—no extra digits. For example, 011 91 98765 43210. Alternatively, from a mobile phone you can start with the “+” symbol and dial +91 98765 43210.

Get a Virtual India Number for SMS Verification

Need to receive SMS online from Indian services without a physical SIM? Explore VoIPStore’s temporary and virtual phone numbers. Browse Virtual Numbers and start receiving verification codes securely.

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