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ZIP Code 5: 18101 - ALLENTOWN, PA

ZIP Code 18101 is the postal code in ALLENTOWN, PA. Besides the basic information, it also lists the full ZIP code and the address of ZIP code 18101. Whatsmore, there is more information related to ZIP Code 18101. For example, nearby ZIP code around ZIP Code 18101, etc.

ZIP 18101 Basic Information

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The basic information of ZIP Code 18101 is as follows, including: country, county, city, FIPS and etc.

StateCountyCityZIP Code 5
PA - PennsylvaniaLehigh CountyALLENTOWN18101

What is the plus 4 zip code for 18101 ZIP Code? Below is the detail.

18101 ZIP+4 Code List

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What are the 4 digit zip extensions of ZIP Code 18101? ZIP code 18101 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 18101. You can find a 9-digit ZIP Code by a full address.

ZIP Code 5 Plus 4 Address
18101-1000 1123 HAMILTON ST, ALLENTOWN, PA
18101-1001 1 (From 1 To 19 Odd) 11TH ST, ALLENTOWN, PA
18101-1002 31 12TH ST APT 1N (From 1N To 1S Both of Odd and Even), ALLENTOWN, PA
18101-1002 31 12TH ST FL 3, ALLENTOWN, PA
18101-1002 31 12TH ST, ALLENTOWN, PA
18101-1002 31 12TH ST APT 2N (From 2N To 2S Both of Odd and Even), ALLENTOWN, PA
18101-1003 1017 HAMILTON ST APT 1 (From 1 To 6 Both of Odd and Even), ALLENTOWN, PA
18101-1003 1017 HAMILTON ST, ALLENTOWN, PA
18101-1004 1017 HAMILTON ST, ALLENTOWN, PA
18101-1005 1104 HAMILTON ST, ALLENTOWN, PA

If you can't find the 18101 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 18101

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ALLENTOWN is the only post office in ZIP Code 18101. You can find the address, phone number, and interactive map below. Click to view the service and service hours about ALLENTOWN.

  • ALLENTOWN Post Office more-info

    Address 442 HAMILTON ST OFC, ALLENTOWN, PA, 18101-9998

    Phone 610-821-8450

    *Street 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: 18101

What does each digit of ZIP Code 18101 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: 18101

Random Address in ZIP 18101

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ZIP Code 18101 has 1,889 real random addresses, you can clicking the picture below to get random addresses in ZIP Code 18101.

ZIP Code:18101

ZIP 18101 Online Map

ZIP 18101 Online Map

This is online map of the address ALLENTOWN, Lehigh County, Pennsylvania. You may use button to move and zoom in / out. The map information is for reference only.

ZIP 18101 NearBy ZIP Code

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The Nearby ZIP Codes are 18105, 18102, 18025, 18103, and 18002, you can find ZIP codes in a 25km radius around ZIP Code 18101 and the approximate distance between the two ZIP codes.
The data has a slight deviation for your reference only.

ZIP CodeDistance (Kilo Meters)
181050.373
181020.795
180251.069
181033.985
180024.92
180034.92
181094.973
180015.07
180325.358
180526.16
181046.375
180186.772
180987.998
180997.998
180168.508
180158.785
180178.792
181959.099
180349.176
180379.945
1804910.095
1804610.366
1810610.483
1806011.205
1806711.829
1808712.745
1806913.075
1802013.484
1805913.791
1806814.236
1803614.257
1805514.368
1807815.02
1898115.168
1806215.345
1806515.694
1808615.991
1809216.248
1808116.345
1805116.556
1803516.852
1801417.39
1803117.921
1808818.347
1895518.561
1804518.689
1896819.04
1808019.147
1805619.231
1893519.958
1953820.023
1807720.113
1807020.116
1801120.321
1895120.663
1803921.053
1803821.138
1804121.325
1806421.325
1804221.442
1807921.866
1804321.954
1893022.393
1956222.718
1953922.722
1804422.767
1897023.031
1808523.341
1808323.865
1806624.361
1805324.612
1807324.62
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University in ZIP Code 18101

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School in ZIP Code 18101

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This is the ZIP Code 18101 - School page list. Its detail School Name, Address, City, State, ZIP Code is as below.

ZIP Code 5: 18101 - ALLENTOWN

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