2002 NAICS Definitions

491110 Postal Service

This industry comprises establishments primarily engaged in operating the National Postal Service. Establishments primarily engaged in performing one or more postal services, such as sorting, routing, and/or delivery, on a contract basis (except the bulk transportation of mail) are included in this industry.

Cross-References. Establishments primarily engaged in--

• 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 courier services--are classified in Industry 492110, Couriers;
• Providing mailbox services along with other business services--are classified in U.S. Industry 561431, Private Mail Centers; and
• Providing local messenger and delivery services--are classified in Industry 492210, Local Messengers and Local Delivery.

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No change 1997 to 2002

2002 NAICS to 1987 SIC

1997 Economic Census

Bridge Between 1997 NAICS and SIC

2002 NAICS	1997 NAICS	1987 SIC	Corresponding Index Entries
491110	491110	4311	Postal delivery services, local, operated by U.S. Postal Service
491110	491110	7389	Postal delivery services, local, operated on a contract basis
491110	491110	4311	Postal services operated by U.S. Postal Service
491110	491110	4311	Postal stations operated by U.S. Postal Service
491110	491110	7389	Postal stations operated on a contract basis