The 0121 area code is a 3 digit geographical dialling code (excluding the zero) used in telecommunications for the Birmingham area.
The local telephone numbers within the 0121 are 7 digits long.
The correct format in which to write a telephone number from the Birmingham area code is (0121) xxx xxxx.
The Birmingham 0121 dialling code intersects the counties of Birmingham, Dudley, Sandwell, Solihull, Staffordshire, Walsall, Warwickshire and Worcestershire in the West Midlands Region of the UK.
You will need to use a dialling code if you are calling from a mobile phone or a landline outside of the 0121 Birmingham dialling code area. If you are calling a local number within the same area code with a landline telephone you do not need to use the 0121 dialling code.
If you are calling from outside of the UK. You will need to add the code for dialling internationally. This varies country to country, followed by the UK country code (44) followed by the area code without the initial zero (121).
|Region||International Prefix||Country Code||Area Code|
|United States and Canada||011||44||121|
Before the 16th April 1995 known as PhONEday which changed telephone area codes by inserting a 1 at the beginning. The area code was 021.
the historic mnemonic code for the 0121 area was B1. The first character is taken from the letter B in Birmingham. On an old rotary dial telephone this was entered by dialling the numbers 2 and 1.
The shaded area on the map represent the estimated extent of the 0121 Birmingham phone area code.
The blue icons on the map represent the locations of telephone exchanges serving the 0121 area. Click on an icon for more details
|West Bromwich (East)|
|Highbury (CMHIGH) Birmingham|
|Birmingham South (CMSOUB) Birmingham|
|Druids Heath (CMDRU) Birmingham|
|Edgbaston (CMEDG) Birmingham|
|Bearwood (CMBEAR) Birmingham|
|Harborne (CMHARBO) Birmingham|
|Northern (CMNOR) Birmingham|
|Birchfield (CMBIR) Birmingham|
|Erdington (CMERD) Birmingham|
|Acocks Green (CMACO) Birmingham|
|Selly Oak (CMSEL) Birmingham|
|Central (CMCEN) Birmingham|
|Kings Norton (CMKING) Birmingham|
|Priory (CMPRI) Birmingham|
|Woodgate (CMWDGT) Birmingham|
|Stechford (CMSTE) Birmingham|
|Castle Bromwich (CMCAS) Solihull|
|Chelmsley Wood (CMCHEL) Solihull|
|Elmdon (CMELMD) Solihull|
|Aston Cross (CMASTX) Birmingham|
|Beacon (CMBEAC) Sandwell|
|Hillside (CMHILL) Worcestershire|
|Rubery (CMRUB) Birmingham|
|Midland (CMMLD) Birmingham|
|Smallbrook (CMSMBK) Birmingham|
|Calthorpe (CMCAL) Birmingham|
|Birmingham East (CMEAS) Birmingham|
|Blackheath (CMBLAC) Sandwell|
|Smethwick (CMSME) Sandwell|
|Broadwell (CMBRO) Sandwell|
|West Bromwich (CMWESB) Sandwell|
|Stone Cross (CMSTOX) Sandwell|
|Sutton Coldfield (CMSUT) Birmingham|
|Four Oaks (CMFOU) Birmingham|
|Streetly (CMSTRE) Walsall|
|Rectory (CMREC) Birmingham|
|Ashfield (CMASHF) Birmingham|
|Victoria (CMVIC) Birmingham|
|Shirley (CMSHI) Solihull|
|Solihull (CMSOL) Solihull|
|Sheldon (CMSHEL) Solihull|
|Tipton (CMTIP) Sandwell|
|Wednesbury (CMWED) Sandwell|
|James Bridge (CMJAM) Walsall|