The three BT Telephone Exchanges (and two former) in the St Albans (01727) telephone area
Bowmansgreen ATE

Bowsmansgreen Telephone Exchange is located in Wellington Road, London Colney, St Albans AL2 1EY. This exchange serves London Colney, Colney Heath and Napsbury.
The photograph shows the original red brick building at the front, which is now only used for storage. The exchange is now housed in the later grey building at the rear.
The telephone code for this exchange is 01727-82.
The former dialling code for this exchange was 072 731.
ID: LNBGN. Photo courtesy of David Hillas.
Colney Heath former ATE

The former Colney Heath telephone exchange was located in Roestock Lane, Colney Heath, St Albans AL4 0PP.
It was initially equipped with a UAX12, then a UAX13.
When it closed in the 1970’s subscribers were transferred to the Bowmansgreen exchange.
It is now a private dwelling called The Old Exchange.
The former dialling code for this exchange was 072 735.
Photo courtesy of Zoopla.
Park Street ATE

Park Street Telephone Exchange, is situated in Frogmore, St Albans AL2 2JS and serves How Wood and Park Street.
This exchange was initially equipped with a UAX14, then a TXE2 and finally with a System X.
The former Park Street exchange, equipped with a UAX5, was situated in Branch Road, Frogmore AL2 2LU.
The telephone code for this exchange is 01727-87.
The former dialling code for this exchange was 072 733.
ID: LNPKS. Photo courtesy of David Hillas.
St Albans ATE

St Albans Telephone Exchange is located in Liverpool Road, St Albans AL1 3UL and serves St Albans and the surrounding area.
The telephone codes for this exchange are 01727-81, 01727-83, 01727-84, 01727-85, 01727-86 and 01727-89.
The former dialling code for this exchange was 0727.
ID: LNSTB. Photo courtesy of David Hillas.


