41.   Northern Telecom said today it will deliver a service that will allow Rochester Telephone Corp. to offer national directory assistance to its customers.

42.   One night, Slater called directory assistance in New York intending to telephone her editor at home and cancel the deal.

43.   Or consider directory assistance charges.

44.   Pac Bell officials said they need to raise rates in order to cover costs for directory assistance.

45.   PayPal does not even have a phone number available through directory assistance.

46.   Sandra L. Frankel, town supervisor of Brighton, N.Y., near Rochester, has had trouble getting telephone numbers in her area from directory assistance.

47.   Some prepaid services also charge for long distance, roaming and directory assistance.

48.   Sprint uses Nynex Corp. to provide its directory assistance in New York and New England, and Nynex generally has more up-to-date information on customers who move.

49.   The booklet that came with the system did not give a phone number for Number Nine, but did give its address, so directory assistance supplied the number.

50.   The book is not listed in Books in Print, and directory assistance found no phone number for Laseber.