There were previously a topic of the ISO TC 154 (one of ISO technical committees) and an international standards of addresses, the Physical Addresses and the Article RL 123.3.3 of the UPU Letter Post Regulations, for many years and most countries adopted those specifications.
There were previously a topic of the ISO TC 154 (one of ISO technical committees) and an international standards of addresses of the UPU Letter Post Regulations, for many years. There were previously a topic of the ISO TC 154 (one of ISO technical committees) and an international standards of the Physical Addresses of the UPU Letter Post Regulations, for many years. There were previously a topic of the ISO TC 154 (one of ISO technical committees) and an international standards of the Article RL 123.3.3 of the UPU Letter Post Regulations, for many years. Most countries adopted those specifications.