78957 ZIP Code


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78957 is a zip code assigned by the US Postal Service Office for a US City.


You can search for the 78957 zip code by its streets and block numbers if we have some of the streets loaded in our website

You should use 78957 Zip Code if you want to send mail to a certain US City.



78957 Zip Code - US ZIP Codes

The US ZIP Code basic format consists of five decimal numerical digits assigned like the 78957 Zip Code. An extended ZIP+4 code, introduced in the 1980s, includes the five digits 78957 ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code.



78957 Zip Code belongs to Smithville, TX - US. 78957 Zip code is located at Bastrop County and is related to this cities: Upton, Kirtley, Smithville

78957 Zip Code Area Code is 512/830/979 and 78957 Zip Code Time Zone is Central (GMT -06:00).

In 1983, the U.S. Postal Service introduced an expanded Smithville ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 78957 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Smithville city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in Texas.


78957 Zip Code MAP



What city is 78957 Zip Code?

The 78957 Zip Code is assigned to Smithville City in Texas State.




ZIP Plus 4 Smithville - US Streets Zip Codes

Please check the Smithville page



Reverse 78957 Zip Code Lookup

78957 Zip Code City?

Smithville, TX

Smithville (Bastrop County), Texas - US

This Zip code is related to Upton, Kirtley, Smithville City



78957 ZIP Code Lookup

78957 Zip Code File:
Zip Code: 78957
City: Smithville
Smithville Area Code: 512/830/979
Smithville, TX - Time Zone: Central (GMT -06:00)
County: Bastrop
City Aliases: Upton, Kirtley, Smithville
State: Texas
State Abb: TX