SIC Code 4311-01 - Post Offices

Marketing Level - SIC 6-Digit

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Looking for more companies? See SIC 4311 - United States Postal Service - 4,873 companies, 327,287 emails.

SIC Code 4311-01 Description (6-Digit)

Post Offices are establishments that provide postal services to the public. These services include the sending and receiving of mail and packages, as well as the sale of postage stamps and other mailing supplies. Post Offices are typically operated by government agencies, such as the United States Postal Service, and are located in various communities throughout the country. The primary function of Post Offices is to facilitate the delivery of mail and packages to their intended recipients in a timely and efficient manner.

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 4311 page

Tools

  • Postal scales
  • Mailboxes
  • Sorting machines
  • Barcode scanners
  • Label printers
  • Hand trucks
  • Letter openers
  • Tape dispensers
  • Envelope sealers
  • Postage meters

Industry Examples of Post Offices

  • Postal service
  • Mail delivery
  • Package delivery
  • Mailing supplies
  • Stamps
  • Postcards
  • Priority mail
  • Express mail
  • Certified mail
  • International mail