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How to Format India Phone Numbers
Definitive reference guide for writing, displaying, and normalizing India (++91) telephone numbers across international and local systems.
Machine Format (E.164)
+91 9876543210
Includes the plus (+) sign, calling code (+91), and subscriber digits without spaces or dashes. Ideal for databases and SMS APIs.
International Display
++91 +91 9876543210
Written for cross-border business cards and websites with space groupings matching India conventions.
National Domestic
0+91 9876543210
Used by callers residing physically within India, typically starting with domestic trunk prefix none.
Technical Formatting Specifications
- Country Calling Code: ++91
- ISO 3166-1 Alpha-2: IN (Alpha-3: IND)
- Mobile Format Pattern: +91 XXXXXXXXXX
- Landline Format Pattern: +91 XX XXXXXXXX
- International Exit Code (when calling out of India): 00
Verify a India Number
Check if a specific number adheres to these mathematical formatting rules.
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