National Post Day: How does the 6-digit PIN code system work and what are 9 postal zones of India?

The Indian Postal Department was established by Lord Dalhousie in 1854. It functions under the Department of Posts, Ministry ...
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The House votes for 76 new ZIP codes: What cities would see changes to their postal digits

The House passed two bills Monday night that would authorize the United States Postal Service to create 76 new ZIP codes for communities around the country. These two bipartisan bills, led by Rep.