Bangladesh Telecommunications Company Limited (BTCL) is going to replace nearly 3800 numbers under its Gulshan NEC Telephone Exchange of the capital, reports BSS. The conversion of the number starting with 881-8000 to 881-9999 and 882-0200 to 882-1999 will begin from Tuesday due to technical reasons, said a BTCL press release yesterday. Subscribers will be informed by phone while changing the numbers. The new numbers are available in BTCL website www.btcl.com.bd. For further query, subscribers have been requested to contact Call Centre No.'16402' or Office No. 985-3388, 985-1000, 985-0000, 988-7488.