Nfm Online Coupon Codes

List of Acronyms/Abbreviations - USPS.

International Reply Coupon. IRS. Inventory Replenishment System. IRT. integrated retail terminal. IS. incoming secondary. ISAL (R) International Surface Air Lift (R) ISBN. International Standard Book Number. ISC. information service center; international service center. ISS. Input Subsystem. ISSN. International Standard Serial Number. ITSC ....

https://about.usps.com/publications/pub32/pub32_acn.htm.