800 number

noun 0.782

1-800

noun 0.696

999

noun 0.671

call number

noun 0.645

telephone number

noun 0.632

phone number

noun 0.628

911

noun 0.627

numero

noun 0.588

wrong number

noun 0.573

toll call

noun 0.565

freephone

noun 0.565

hotline

noun 0.561

number

noun 0.556

phone call

noun 0.546

telephone call

noun 0.539

numbering

noun 0.529

dialing

noun 0.527

mobile number

noun 0.525

numbers game

noun 0.521

ninety-ninth

noun 0.514

dialling code

noun 0.514

telephone sex

noun 0.513

telephone

noun 0.507

dial

noun 0.503