Central was the first Birmingham exchange to be opened in 1880 by the Midland Telephone company in a room in Exchange Chambers at the corner of New Street and Stephenson Place.
By 1882 the company had attracted it's first 100 customers and had moved into a new home in the attic of a music shop at the corner of Bennetts Hill and Colmore Row The exchange was further relocated in 1897 to 19 Newhall Street, a building originally owned by the National Telephone Company (NTC) but was taken over by the GPO in 1912.
The telephone codes currently used are 0121-322, 0121-326, 0121-3-328.
CMEAS Edgbaston Telephone Exchange is located in Ladywood Road, Ladywood, Birmingham. The first Edgbaston exchange opened at Wyndham Road around 1906.
Beacon ATE serves parts of Pheasey, Great Barr and Kingstanding.
Beacon was converted to a System X digital exchange at 6.30 am on Tuesday 16th March 1993.
The telephone codes currently used are 0121-730, 0121-747, 0121-748, 0121-7-776.
Birchfield Exchange is located in Willmore Road, Perry Barr.
This exchange covers Birchfield, Hamstead and Perry Barr.
The East Telephone exchange is located in Alfred Street, Aston and serves parts of Aston & Erdington, Nechells, Saltley, Ward End, Washwood Heath and Witton.
Being one of the earlier Birmingham exchanges, the original part of this building dates back to the origins of the National Telephone Co., the building has since been substantially extended.