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The postal code system of Vietnam has officially been changed from 6 digits to 5 digits. Each country has its own separate postal code or zip code system. The postal code of Vietnam is composed of 5 digits, with the following meanings: [2] [3] The first digit determines the area code.
Shortly after in 1996, area code 773 was created for the residential parts of the city of Chicago, while downtown kept area code 312. Area code 847 exhausted its numbers quickly, so that an overlay area code, 224, was implemented in 1996 for relief. However, mandatory ten-digit dialing was not in effect until 2002. In March 2007, an overlay ...
Module:Location map/data/United States Chicago metropolitan area is a location map definition used to overlay markers and labels on an equirectangular projection map of Chicago metropolitan area. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
Geography of Vietnam. Vietnam is: a country; Location: Northern Hemisphere and Eastern Hemisphere; Eurasia Asia Southeast Asia Indochina; Time zone: UTC+07; Extreme points of Vietnam High: Fan Si Pan 3,143 m (10,312 ft) Low: South China Sea 0 m; Land boundaries: 4,639 km Laos 2,130 km China 1,281 km Cambodia 1,228 km. Coastline: 3,444 km ...
The tz database partitions the world into regions where local clocks all show the same time. This map was made by combining version 2023d with OpenStreetMap data, using open source software.
Farther inland, a series of moraines surrounds the Chicago Plain. This surrounding area is hilly and higher than the Chicago Plain. Past the moraines, the land flattens out again, but is interspersed with a few deep river valleys such as the Illinois River, Fox River, Des Plaines River, and Kankakee River. Here you may find rock cliffs and rock ...
The numbering plan area is completely surrounded by area code 773, which serves the rest of Chicago. Both area codes form an overlay complex with area code 872. 312 is an enclave area code, and is roughly bounded by North Avenue on the north, Western Avenue on the west, and 35th Street on the south, with Lake Michigan to the east. In terms of ...
As a result, the city of Chicago was divided into two area codes, 312 and 773. Rather than divide the city by a north–south area code, the central business district retained the 312 area code, while the remainder of the city took the new 773 code. In 2002, the 847 area code was supplemented with the overlay area code 224.