The eleven BT Telephone Exchanges (and five former) in the Brentwood (01277) telephone area
Billericay ATE

Blackmore ATE

Blackmore former ATE

Brentwood ATE

Coxtie Green ATE

ID: EACOX. Photo courtesy of Simon Cowper-Smith.
Coxtie Green former ATE

ID: EACOX. Photo courtesy of Simon Cowper-Smith.
Herongate ATE

Herongate telephone exchange is located in Brentwood Road, Herongate, Brentwood CM13 3LH and serves Herongate, Ingrave and surrounding villages.
The telephone code for this exchange is 01277-81.
The former dialling code for this exchange is 027 787.
ID: EAHER. Photo courtesy of Simon Cowper-Smith.
Ingatestone ATE

Ingatestone Telephone Exchange is located in Post Office Road, Ingatestone CM4 9ES and serves Ingatestone and surrounding villages.
The telephone code for this exchange is 01277-35.
The former dialling code for this exchange is 027 75.
ID: EAING. Photo courtesy of Simon Cowper-Smith.
Stock ATE

Stock Telephone Exchange is located in Mill Road, Stock, Ingatestone CM4 9LJ and serves Stock and the surrounding villages.
The telephone codes for this exchange are 01277-840 and 01277-841.
The former dialling code for this exchange is 027 784.
ID: EASTK. Photo courtesy of Simon Cowper-Smith.
Stock former ATE
The former Stock Telephone Exchange is located in Swan Lane, Stock, Ingatestone CM4 9BQ and serves Stock and the surrounding villages.
Having previously being equipped with a UAX13 it is now home to Stock Heritage Society.
The former dialling code for this exchange is 027 784.
ID: EASTK. Photo courtesy of Google Maps.
Willingale ATE

Willingale Telephone Exchange was located in Fyfield Road, Willingdale, Ongar CM5 0SH and serves Willingale and the surrounding area.
The telephone codes for this exchange are 01277-895 and 01277-896.
The former dialling code for this exchange is 027 786.
ID: EAWIL. Photo courtesy of Simon Cowper-Smith.
Former Brentwood Exchanges
- Horndon Green Former ExchangeThe former Horndon Green exchange was a UAX 13 which stood in Brentwood Road, West Horndon, CM13 3LL. Opened in the 1950s, it closed in the mid-1970s. It is believed to have been demolished.






