NAICS Code 491110

NAICS 491110

NAICS Code 491110 – Postal Service

Definition of NAICS Code 491110: This industry comprises establishments primarily engaged in providing mail services under a universal service obligation. Mail services include the carriage of letters, printed matter, or mailable packages, including acceptance, collection, processing, and delivery. Due to the infrastructure requirements of providing mail service under a universal service obligation, postal service establishments often provide parcel and express delivery services in addition to the mail service. Establishments primarily engaged in performing one or more parts of the basic mail service, such as sorting, routing and/or delivery (except bulk transportation of mail) are included in this industry.

  • You can also download your own copy of the complete 2017 NAICS Classification Manual. The NAICS Manual is updated every five years. The 2017 copy will be applicable until a new edition is produced in 2022.

Cross Reference Guide for Code 491110

What codes are similar to this classification that might be a more applicable code? The cross-reference guide below displays the codes for other similar industries. Please review to find the most applicable classification.

  • Providing bulk transportation of mail on a contract basis to and from postal service establishments–are classified in Industry Group 4841, General Freight Trucking;
  • Providing services outside of the basic mail service, such as mail presort, mail consolidation, or address bar coding services, on a contract or fee basis–are classified in U.S. Industry NAICS 561499, All Other Business Support Services;
  • Providing courier services–are classified in Industry NAICS 492110, Couriers and Express Delivery Services;
  • Providing mailbox services along with other business services–are classified in U.S. Industry NAICS 561431, Private Mail Centers; and
  • Providing local messenger and delivery services–are classified in Industry NAICS 492210, Local Messengers and Local Delivery.

Other Index Entries for NAICS 491110

The North American Industry Classification System contains multiple index entries that are each descriptive of the same code. The bulleted list below shows all applicable index entries (Current and former) that are associated with this classification. These index entries further elaborate on the scope of applicable industries that have already been defined at the top of this page.

  • Postal delivery services, local, operated by U.S. Postal Service
  • Postal delivery services, local, operated on a contract basis
  • Postal services operated by U.S. Postal Service
  • Postal stations operated by U.S. Postal Service
  • Postal stations operated on a contract basis

Suggested Insurance Conversion Table for NAICS Code 491110

Looking for an insurance classification other than the North American Industry Classification System? If a company falls within the industry defined on this page, then the class codes mentioned below may be applicable. Please note that the bulleted cross-reference guide below is not authoritative. Users should have an insurance professional review to ensure proper insurance classification.

  • NCCI WC (Varies by state): 7232NAICS 491110
  • CA WC: 7232
  • DE WC: 812
  • PA WC: 812
  • MI WC: 7231
  • NJ WC: 7219
  • NY WC: 7219
  • WY WC: 491110
  • GL: 99793

Resources: Praxiom, AceGroupTDICalifornia Division of Workers Compensation, Delaware Workers Compensation Manual, Pennsylvania Workers Compensation Manual, Michigan Workers’ Compensation Placement Facility: Classification Definitions, New Jersey Workers Compensation and Employers Liability Insurance Manual, New York Workers Compensation and Employers Liability, North American Industry Classification System, Florida Underwriting Guide: Commercial General Liability Classifications,  Standard Industrial Classifications.

The suggested cross reference guide for NAICS code 491110 is based on our research using the resources cited above.

Correlating Code Breakdown for North American Industry Classification System

NAICS codes are broken down by digit. The broadest description starts with the 2 digit sector codes. The 3 digit subsector codes are more specific, then the 4 digit industry group, 5 digit industry, and the most specific is the 6 digit NAICS code (Where you are now). If the code on this page does not describe the industry of the business in question, then select the largest applicable code below. From there, follow through the progression of smaller digits to the larger digits in order to obtain the most specific 6 digit classification.

Other helpful NAICS Downloads

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NAICS Code 491110