The concept of the US ZIP codes was first introduced and used by the Postal Service of the United States of America.
This system was formerly known as the United States Postal Service (USPS) 1963.
This was borne out of the need to enhance efficiency in the delivery system of mail services through easy collation.
United States ZIP Codes
The ZIP code of the USA is a type of postal code specifically designed and used within the United States.
They are used to enhancing the mailing system of the United States Postal Service (USPS).
Shipping firms like Federal Express (FedEx), United Parcel Service (UPS), DHL, and a host of others adopted the system of ZIP codes for collating and sorting packages.
This also extends to the calculation of proximity, time, and cost of shipping submitted packages.
US ZIP Codes
| State | Capital | ZIP Code |
| Alabama (AL) | Montgomery | 35004 to 36925 |
| Alaska (AK ) | Juneau | 99501 to 99950 |
| Arizona (AZ) | Phoenix | 85001 to 86556 |
| Arkansas (AR) | Little Rock | 71601 to 72959 |
| California (CA) | Sacramento | 90001 to 96162 |
| Colorado (CO) | Denver | 80001 to 81658 |
| Connecticut (CT) | Hartford | 06001 to 06928 |
| Delaware (DE) | Dover | 19701 to 19980 |
| Florida (FL) | Tallahassee | 32003 to 34997 |
| Georgia (GA) | Atlanta | 30002 to 39901 |
| Hawaii (HI) | Honolulu | 96701 to 96898 |
| Idaho (ID) | Boise | 83201 to 83877 |
| Illinois (IL) | Springfield | 60001 to 62999 |
| Indiana (IN) | Indianapolis | 46001 to 47997 |
| Iowa (IA) | Des Moines | 50001 to 52809 |
| Kansas (KS) | Topeka | 66002 to 67954 |
| Kentucky (KY) | Frankfort | 40003 to 42788 |
| Louisiana (LA) | Baton Rouge | 70001 to 71497 |
| Maine (ME) | Augusta | 03901 to 04992 |
| Maryland (MD) | Annapolis | 20588 to 21930 |
| Massachusetts (MA) | Boston | 01001 to 05544 |
| Michigan (MI) | Lansing | 48001 to 49971 |
| Minnesota (MN) | Saint Paul | 55001 to 56763 |
| Mississippi (MS) | Jackson | 38601 to 39776 |
| Missouri (MO) | Jefferson City | 63001 to 65899 |
| Montana (MT) | Helena | 59001 to 59937 |
| Nebraska (NE) | Lincoln | 68001 to 69367 |
| Nevada (NV) | Carson City | 88901 to 89883 |
| New Hampshire (NH) | Concord | 03031 to 03897 |
| New Jersey (NJ) | Trenton | 07001 to 08989 |
| New Mexico (NM) | Santa Fe | 87001 to 88439 |
| New York (NY) | Albany | 00501 to 14925 |
| North Carolina (NC) | Raleigh | 27006 to 28909 |
| North Dakota (ND) | Bismarck | 58001 to 58856 |
| Ohio (OH) | Columbus | 43001 to 45999 |
| Oklahoma (OK) | Oklahoma City | 73001 to 74966 |
| Oregon (OR) | Salem | 97001 to 97920 |
| Pennsylvania (PA) | Harrisburg | 15001 to 19640 |
| Rhode Island (RI) | Providence | 02801 to 02940 |
| South Carolina (SC) | Columbia | 29001 to 29945 |
| South Dakota (SD) | Pierre | 57001 to 57799 |
| Tennessee (TN) | Nashville | 37010 to 38589 |
| Texas (TX) | Houston | 73301 to 88595 |
| Utah (UT) | Salt Lake City | 84001 to 84791 |
| Vermont (VT) | Montpelier | 05001 to 05907 |
| Virginia (VA) | Richmond | 20101 to 24658 |
| Washington (WA) | Olympia | 98001 to 99403 |
| West Virginia (WV) | Charleston | 24701 to 26886 |
| Wisconsin (WI) | Madison | 53001 to 54990 |
| Wyoming (WY) | Cheyenne | 82001 to 83414 |
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Conclusion
From the analyzed insights above, the ZIP codes of the United States have developed on purpose from just a means of collating and distributing mail.
It has more sophisticated functions, like data collation for census demographics and data gathering for security needs, especially in preventing and controlling crime.
Also, they have enhanced certain aspects of internet functionalities, especially regarding online shopping.
Thank you for reading.
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