BSNL Chennai Telephones will shift 3,500 telephone lines on levels 2244, 2245 and 2255 now attached to the Velachery exchange to the newly-commissioned Adambakkam remote switching unit on Friday. When the shift takes place as scheduled at 5 p.m., the numbers will move to level 2260.

Customers will have to re-register their password for STD/ISD. For assistance, users can contact the numbers 22601000, 22602000 or 22318040.

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