0121 View Map of the Birmingham Area Code
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The Birmingham 0121 Area Code (Birmingham Dialling Code)

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) [x][x][x] [x][x][x][x].

Where is the 0121 Area Code?

The Birmingham 0121 dialling code intersects the counties of West Midlands and Worcestershire in the West Midlands Region of the UK.

When do I need to use the 0121 Birmingham dialling code?

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.

Phoning the 0121 Dialling Code from Outside of the UK

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).

RegionInternational PrefixCountry CodeArea Code
United States and Canada01144121
Europe0044121
Australia001144121

Origins of the 0121 Birmingham Area Code

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.

picture showing an old rotary dial for the Birmingham area code
An old rotary dial for the Birmingham area code.
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Map of the 0121 Birmingham dialling Code Area

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

Map of the Birmingham area code
Map of the Birmingham area code and surrounding areas

Towns and Villages within the Birmingham 0121 dialling Code

Alvechurch
Barnt Green
Bilston
Birmingham
Blackheath
Blackwell
Brierley Hill
Darlaston
Dickens Heath
Dudley (Dudley)
Halesowen
Oldbury (Sandwell)
Rowley Regis
Sedgley
Smethwick
Solihull
Sutton Coldfield
Tipton
Water Orton
Wednesbury
West Bromwich
West Bromwich (East)

Known Telephone Exchanges within the Birmingham 0121 dialling Code

ACOCKS GREEN ATE (CMACO)
ASTON CROSS ATE (CMASTX)
BEARWOOD ATE (CMBEAR)
BIRCHFIELD ATE (CMBIR)
BLACKHEATH ATE (CMBLAC)
BROADWELL ATE (CMBRO)
CALTHORPE ATE (CMCAL)
CASTLE BROMWICH ATE (CMCAS)
TELEPHONE HOUSE BIRMINGHAM (CMCEN)
EAST ATE (CMEAS)
EDGBASTON ATE (CMEDG)
ERDINGTON ATE (CMERD)
GREAT BARR ATE (CMGREB)
HARBORNE ATE (CMHARBO)
HIGHBURY ATE (CMHIGH)
KINGS NORTON ATE (CMKING)
MIDLAND ATE (CMMLD)
NORTHERN ATE (CMNOR)
PRIORY ATE (CMPRI)
RUBERY ATE (CMRUB)
SELLY OAK ATE (CMSEL)
SHELDON ATE (CMSHEL)
SMETHWICK ATE (CMSME)
SOLIHULL ATE (CMSOL)
SOUTH ATE (CMSOUB)
SPRINGFIELD ATE (CMSPR)
STECHFORD ATE (CMSTE)
STREETLY ATE (CMSTRE)
SUTTON COLDFIELD ATE (CMSUT)
VICTORIA ATE (CMVIC)
WOODGATE ATE (CMWDGT)
WEDNESBURY ATE (CMWED)
WEST BROMWICH ATE (CMWESB)
ASHFIELD ATE (CMASHF)
BEACON ATE (CMBEAC)
DRUIDS HEATH ATE (CMDRU)
FOUR OAKS ATE (CMFOU)
JAMES BRIDGE ATE (CMJAM)
RECTORY ATE (CMREC)
ESSEX ST (SMALLBROOK) ATE (CMSMBK)
STONE CROSS ATE (CMSTOX)
ELMDON ATE (CMELMD)
HILLSIDE ATE (CMHILL)
SHIRLEY ATE (CMSHI)