SIC Code 4813-04 - Telephone Companies

Marketing Level - SIC 6-Digit

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Total Verified Companies: 1,768
Contact Emails: 19,108
Company Websites: 1,060
Phone Numbers: 1,669
Business Addresses: 1,768
Companies with Email: 1,061
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Looking for more companies? See SIC 4813 - Telephone Communications, except Radiotelephone - 6,072 companies, 106,331 emails.

SIC Code 4813-04 Description (6-Digit)

Telephone Companies are businesses that provide telephone communication services to customers. These companies operate and maintain telephone networks that allow customers to make and receive calls, as well as access other services such as voicemail, call waiting, and caller ID. Telephone Companies may offer both landline and mobile phone services, and may also provide internet and television services. They are responsible for ensuring that their networks are reliable and secure, and for providing customer support to address any issues that may arise.

Parent Code - Official US OSHA

Official 4‑digit SIC codes serve as the parent classification used for government registrations and OSHA documentation. The marketing-level 6‑digit SIC codes extend these official classifications with refined segmentation for more precise targeting and detailed niche insights. Related industries are listed under the parent code, offering a broader view of the industry landscape. For further details on the official classification for this industry, please visit the OSHA SIC Code 4813 page

Tools

  • PBX (Private Branch Exchange) systems
  • VoIP (Voice over Internet Protocol) technology
  • Call center software
  • Network monitoring tools
  • Billing and invoicing software
  • Customer relationship management (CRM) software
  • Fiber optic cables
  • Satellite communication equipment
  • Mobile network infrastructure
  • Telecommunications towers

Industry Examples of Telephone Companies

  • Landline phone services
  • Mobile phone services
  • Internet services
  • Television services
  • Business phone systems
  • Voicemail services
  • Call waiting services
  • Caller ID services
  • Long distance calling services
  • International calling services