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ZIP Code 5: 78664 - ROUND ROCK, TX

ZIP Code 78664 is the postal code in ROUND ROCK, TX. Besides the basic information, it also lists the full ZIP code and the address of ZIP code 78664. Whatsmore, there is more information related to ZIP Code 78664. For example, nearby ZIP code around ZIP Code 78664, etc.

ZIP 78664 Basic Information

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The basic information of ZIP Code 78664 is as follows, including: country, county, city, FIPS and etc.

StateCountyCityZIP Code 5
TX - TexasTravis CountyROUND ROCK78664
TX - TexasWilliamson CountyROUND ROCK78664

📌It means zip code 78664 is across counties/cities.

What is the plus 4 zip code for 78664 ZIP Code? Below is the detail.

78664 ZIP+4 Code List

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What are the 4 digit zip extensions of ZIP Code 78664? ZIP code 78664 has many plus 4 codes, and each plus 4 code corresponds to one or more addresses. Below we list all the ZIP+4 codes and their addresses in the ZIP Code 78664. You can find a 9-digit ZIP Code by a full address.

ZIP Code 5 Plus 4 Address
78664-1800 1801 OLD SETTLERS BLVD STE 125, ROUND ROCK, TX
78664-1900 1600 (From 1600 To 1699) OLD SETTLERS BLVD, ROUND ROCK, TX
78664-1901 1801 (From 1801 To 1899 Odd) OLD SETTLERS BLVD, ROUND ROCK, TX
78664-1902 1700 (From 1700 To 1799) OLD SETTLERS BLVD, ROUND ROCK, TX
78664-1903 1781 OLD SETTLERS BLVD, ROUND ROCK, TX
78664-1904 1800 (From 1800 To 1898 Even) OLD SETTLERS BLVD, ROUND ROCK, TX
78664-1905 1801 OLD SETTLERS BLVD, ROUND ROCK, TX
78664-1906 1781 OLD SETTLERS BLVD STE 100 (From 100 To 105 Both of Odd and Even), ROUND ROCK, TX
78664-1907 1500 (From 1500 To 1599) OLD SETTLERS BLVD, ROUND ROCK, TX
78664-1908 1801 OLD SETTLERS BLVD STE 100 (From 100 To 115 Both of Odd and Even), ROUND ROCK, TX

If you can't find the 78664 plus 4 zip code you need on this page, we recommend you to use the the feature of Quick Select.

Post Office in ZIP Code 78664

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ROUND ROCK is the only post office in ZIP Code 78664. You can find the address, phone number, and interactive map below. Click to view the service and service hours about ROUND ROCK.

  • ROUND ROCK Post Office more-info

    Address 2250 DOUBLE CREEK DR, ROUND ROCK, TX, 78664-9998

    Phone 512-244-0065

    *Lot Parking Available

How to write a U.S. envelope?

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  • First, you need to fill in the recipient's mailing information in the center of the envelope. The first line is the recipient's name, the second line is the street address with a detailed house number, and the last line is the city, state abbr, and ZIP Code.

    Second, write the sender's information on the left top corner of the envelope. If your mail cannot be delivered, it will return to the sender's address.

    Finally, don't forget to stick the stamp on the right top corner. Otherwise, the letter will not go into the delivery process.

    Here is the envelope example below.

    ZIP Code: 78664

What does each digit of ZIP Code 78664 stand for?

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  • The first digit designates a national area, which ranges from zero for the Northeast to nine for the far West.

    The 2-3 digits represent a sectional center facility in that region.

    The last two digits designate small post offices or postal zones.

    ZIP Code: 78664

Random Address in ZIP 78664

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ZIP Code 78664 has 5,803 real random addresses, you can clicking the picture below to get random addresses in ZIP Code 78664.

ZIP Code:78664

ZIP 78664 Online Map

ZIP 78664 Online Map

This is online map of the address ROUND ROCK, Travis County, Texas. You may use button to move and zoom in / out. The map information is for reference only.

ZIP 78664 NearBy ZIP Code

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The Nearby ZIP Codes are 78682, 78665, 78680, 78691, and 78660, you can find ZIP codes in a 25km radius around ZIP Code 78664 and the approximate distance between the two ZIP codes.
The data has a slight deviation for your reference only.

ZIP CodeDistance (Kilo Meters)
786824.087
786654.691
786804.743
786916.466
786607.326
786837.412
787288.467
786819.587
786349.652
786519.705
7872711.92
7872913.181
7871713.239
7875314.206
7875814.92
7875415.042
7862715.358
7875916.129
7861317.795
7863017.815
7862618.549
7875719.183
7871019.367
7875019.511
7875219.712
7867419.765
7865320.158
7862820.213
7864621.274
7873121.93
7872622.042
7875622.543
7872322.566
7872422.942
7875123.084
7861524.382
7872224.673
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Hospital in ZIP Code 78664

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Library in ZIP Code 78664

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ROUND ROCK PUBLIC LIBRARY SYSTEM is the only library in ZIP Code 78664. You can find the address and phone number below. Click the link to find more information about ROUND ROCK PUBLIC LIBRARY SYSTEM.

School in ZIP Code 78664

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This is the ZIP Code 78664 - School page list. Its detail School Name, Address, City, State, ZIP Code is as below.

School NameAddressCityStateGradesZIP Code
Blackland Prairie El 2105 Via Sonoma TrlRound Rock TexasPK-578664
C D Fulkes Middle 300 W Anderson AveRound Rock Texas6-878664
Caldwell Elementary 1718 Picadilly DrRound Rock TexasPK-578664
Caldwell Heights El 4010 Eagles NestRound Rock TexasPK-578664
Claude Berkman El 400 W Anderson AveRound Rock TexasPK-578664
Double File Trail El 2400 Chandler Creek BlvdRound Rock TexasPK-578664
Elementary Daep 1511 Gulf WayRound Rock TexasPK-678664
Forest Creek El 3805 Forest Creek DrRound Rock TexasPK-578664
Gattis El 2920 Round Rock Ranch RdRound Rock TexasPK-578664
Hopewell Middle 1535 Gulf WayRound Rock TexasPK-578664
ZIP Code 5: 78664 - ROUND ROCK

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