City of Baltimore
Baltimore City Code

§ 53-1. Prohibited conduct.

It is unlawful for any person to make use of telephone facilities or equipment:

(1) for an anonymous call, if in a manner which may annoy, abuse, torment, harass, or embarrass one or more persons; or

(2) for any request, suggestion, or proposal which, to the person receiving the call, is objectionably profane, obscene, vulgar, lewd, lascivious, or indecent.