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0421 is the STD (area) code of Tirupur in Tiruppur district, Tamil Nadu. Landline numbers in this area have 7 digits after the code.
A number that starts with 0421 (or +91 421) is a landline registered in the Tirupur exchange area of Tamil Nadu. It can belong to a home, an office, a shop or a call centre. Fixed lines cannot be moved between cities, so the code reliably shows where the line is installed — but caller ID can be spoofed, so be careful if the caller asks for OTPs, bank details or payments.
| Calling from | Dial |
|---|---|
| A landline in the same area | 234 5678 |
| A landline in another city | 0421 234 5678 |
| Any mobile phone in India | 0421 234 5678 |
| Outside India | +91 421 234 5678 |
| STD code | City / area | State | Distance |
|---|---|---|---|
| 04296 | Avanashi | Tamil Nadu | 12 km |
| 04255 | Palladum | Tamil Nadu | 14 km |
| 04257 | Kangayam | Tamil Nadu | 27 km |
| 04294 | Perundurai | Tamil Nadu | 33 km |
| 04285 | Gobichettipalayam | Tamil Nadu | 40 km |
| 0422 | Coimbatore | Tamil Nadu | 42 km |
| 04258 | Dharampuram | Tamil Nadu | 46 km |
| 04254 | Mettupalayam | Tamil Nadu | 48 km |
| 0424 | Erode | Tamil Nadu | 50 km |
| 04256 | Bhavani | Tamil Nadu | 53 km |
The STD code of Tirupur (Tamil Nadu) is 0421. Landline numbers there have 7 digits after the code.
0421 is the STD code of Tirupur, Tiruppur district, Tamil Nadu, India.
Dial +91 421 followed by the 7-digit local number, for example +91 421 234 5678. Do not dial the 0 of the STD code.
Dial 0421 and then the 7-digit landline number: 0421 234 5678.
Numbers that start with 0421 are landlines (fixed lines) from the Tirupur area. Indian mobile numbers have 10 digits and start with 6, 7, 8 or 9.
All STD codes of Tamil Nadu · All STD codes of India · ISD codes
