- Photographic message services (10)
- Photograph transmission services (2)
- Cable, telegram, and telex services (6)
- Mailgram services (6)
- Radio telegraph services (3)
- Telegram services (14)
- Telegraph cable services, land or submarine (1)
- Telegraph services (34)
- Teletypewriter services (41)
- Telex services (4)
- Electronic mail (25)
- Facsimile transmission services (249)
- Nonvocal message communications (8)
