Vijayawada, Andhra pradesh, India, is in area code 0866, which becomes +91 866 in international format.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
The country code and area code of Visakhapatnam- Visakhapatnam, India is 91, (0)891.
The country code and area code of Vuyyuru- Vijayawada, India is 91, (0)8676.
The country code and area code of Tirivuru- Vijayawada, India is 91, (0)8673.
The country code and area code of Gudivada- Vijayawada, India is 91, (0)8674.
The country code and area code of Jaggayyapet- Vijayawada, India is 91, (0)8654.
The country code and area code of Kaikaluru- Vijayawada, India is 91, (0)8677.
The country code and area code of Mylavaram- Vijayawada, India is 91, (0)8659.
The country code and area code of Nandigama- Vijayawada, India is 91, (0)8678.
The country code and area code of Nuzvidu- Vijayawada, India is 91, (0)8656.
5300xx
India's telephone area code 011 is New Delhi; however, there are no valid numbers beginning with 011 09.
STD Code 0556 in Kushinagar District, Uttar Pradesh, India.
A telephone number in India beginning with 0814 is a mobile. 08142 and 08143 are in Andhra Pradesh.
A telephone number in India beginning with +91 9814 is a mobile, probably in or near Punjab.