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04637 is the STD (area) code of Valliyoor in Tirunelveli district, Tamil Nadu. Landline numbers in this area have 6 digits after the code.
A number that starts with 04637 (or +91 4637) is a landline registered in the Valliyoor 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 | 23 4567 |
| A landline in another city | 04637 23 4567 |
| Any mobile phone in India | 04637 23 4567 |
| Outside India | +91 4637 23 4567 |
| STD code | City / area | State | Distance |
|---|---|---|---|
| 04635 | Nanguneri | Tamil Nadu | 13 km |
| 04652 | Nagercoil | Tamil Nadu | 30 km |
| 0462 | Tirunelvelli | Tamil Nadu | 39 km |
| 04634 | Ambasamudram | Tamil Nadu | 39 km |
| 04630 | Srivaikundam | Tamil Nadu | 43 km |
| 04651 | Kuzhithurai | Tamil Nadu | 47 km |
| 04639 | Tiruchendur | Tamil Nadu | 58 km |
| 04728 | Nedumandad | Kerala | 72 km |
| 04633 | Tenkasi | Tamil Nadu | 72 km |
| 0461 | Tuticorin (Thoothukudi) | Tamil Nadu | 74 km |
The STD code of Valliyoor (Tamil Nadu) is 04637. Landline numbers there have 6 digits after the code.
04637 is the STD code of Valliyoor, Tirunelveli district, Tamil Nadu, India.
Dial +91 4637 followed by the 6-digit local number, for example +91 4637 23 4567. Do not dial the 0 of the STD code.
Dial 04637 and then the 6-digit landline number: 04637 23 4567.
Numbers that start with 04637 are landlines (fixed lines) from the Valliyoor 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
