The three BT Telephone Exchanges in the Martinstown (028-21) telephone area
Prior to Big Number Day on 22 April 2000 the STD code for Martinstown exchanges was 01266
Cushendall ATE

Cushendall telephone exchange is located in Dariada Drive, Cushendall, Ballymena BT44 0QF.
It came into service in 1983, replacing an earlier ATE, the first of which was a UAX13 opened in the spring of 1940 (location unknown).
Its telephone codes include 028-25.
Its former dialling code was 01266-77, previously 026 672.
ID: NICUS. Photo required.
Cushendun ATE

Cushendun telephone exchange is in Knocknacarry Road, Cushendun, Ballymena BT4 0NS.
It came into service as a UAX12 at 11 am on 22 March, 1938, replacing a manual exchange.
Its telephone codes include 028-25.
Its former dialling code was 01266-76, previously 026 674.
ID: NICSD. Photo courtesy of Kenneth Allen.
Martinstown ATE

Martinstown telephone exchange is in Martinstown, Ballymena BT43 6QQ.
The first ATE here was a UAX 12 which replaced a man exchange at 11 am on 24 August 1937. The present exchange came into service in 1973 after its predecessor was destroyed by a bomb on 30 April 1972. It was converted to digital working on 20 April 1993.
Its telephone codes include 028- 217.
Its former dialling code was 01266-75, previously 026 673, later 026 67.
ID: NIMTN. Photo required.

