0657 STD Code is located in JAMSHEDPUR, JAMSHEDPUR, BIHAR.
STD code / area code / phone dial calling code for JAMSHEDPUR is 0657, which is in JAMSHEDPUR in the state of BIHAR Find Location map for 0657 STD Code.
How to dial phone Call to JAMSHEDPUR ?
If calls are made with in India:
0 + 657 + ( 6 to 8 digits telephone number )
If calls are made from outside India :
Local Exit code of the country + 91 + 657 + ( 6 to 8 digits telephone number )
If Your'e calling from Other Country
0 + 657 + ( 6 to 8 digits Fixed Line telephone number )
If calls are made from outside USA :
Local Exit code of the country + 91 + 657 + ( 6 to 8 digits telephone number )
Example : 0 + 91 + 657 + ( 6 to 8 digits telephone number )
Exit code May differ for Few Countries.. If the Exit code is 00 ...
Example : 00 + 91 + 657 + ( 6 to 8 digits telephone number )
Exit code May differ for Few Countries.. If the Exit code is 9 ...
Example : 9 + 91 + 657 + ( 6 to 8 digits telephone number )
To call from one landline to another, you need to use the telephone prefix code or STD code.
When dialing from a landline phone in one STD code area to another, dial zero followed by the STD code or area code.
For mobile or cell phone calls to a landline number in India, dial zero followed by the STD code or area code.
Regional Allocation
Major cities like Mumbai, Delhi, Kolkata, and Chennai each have unique STD codes—022 for Mumbai and 011 for Delhi. States and union territories have been allocated a range of STD codes based on their geographical size and population density. For instance, Tamil Nadu has codes such as 044 for Chennai, while smaller states may have shorter codes.
Code Distribution Criteria
The allocation of STD codes is based on several criteria including population and demand. Larger cities and heavily populated areas are assigned more extensive code ranges to accommodate higher phone line volumes. Additionally, geographical size and administrative divisions influence the distribution of codes.
Code Assignment Process
The Department of Telecommunications (DoT), under the Ministry of Communications, manages the allocation and oversight of STD codes in India. The DoT periodically reviews and adjusts codes to address changes in population, administrative boundaries, and technological advancements.