- - Contents IMM Revision: Individual Country Listing for Norway Effective August 10, 2023, the Postal Service™ is revising the Individual Country Listing for Norway in Mailing Standards of the United Stat..." /> - - Contents IMM Revision: Individual Country Listing for Norway Effective August 10, 2023, the Postal Service™ is revising the Individual Country Listing for Norway in Mailing Standards of the United Stat..." />