0121 644 Dialing Code
Dialing Code 0121 644 is part of Area Code 0121, which covers Birmingham and the surrounding area.
The majority of numbers in the 0121 Area Code belong to normal landlines in Birmingham, but it is possible that these numbers are being used elsewhere as virtual numbers.
There are multiple telephone companies operating in the 0121 Area Code and they are allocated blocks of numbers, which can be identified by the digits following the Area Code. In this case, the digits 644 after the area code indicate that the range of numbers was originally allocated to BT on 15 July 1994, although due to number portability, individual numbers within this range may now be allocated to other operators.
0121 area code information
|Dialing Code:||0121 644|
|Date range allocated:||15 July 1994|
|Call Costs:||Normal landline rate|
|Area code required for local calls:||No|
|Local number length:||7|
|Number format:||0121 644 ####|
|International number format:||+44 121 644 ####|
|Last code change:||April 1995 from 021.|