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ZIP Code 18104

Allentown, Pennsylvania, United States

Standard ZIP Eastern Time (ET)
48,683
Population
819
Per sq mile
Lehigh
County

About ZIP Code 18104

ZIP code 18104 is assigned to Allentown, Lehigh County, Pennsylvania, United States. It falls in the Eastern Time (ET) zone. The estimated population of this ZIP code area is 48,683 with a density of 819 people per square mile.

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Location Details

ZIP Code18104
CityAllentown
CountyLehigh County
StatePennsylvania
CountryUnited States
TimezoneEastern Time (ET)
Timezone IDAmerica/New_York
Latitude40.6112
Longitude-75.5470
ZIP TypeStandard ZIP

Post Office

Address1000 POSTAL RD SIDE
CityALLENTOWN
StatePA

Nearby ZIP Codes in Pennsylvania

18037
Coplay
18102
Allentown
18046
East Texas
18069
Orefield
18106
Allentown
18101
Allentown

Frequently Asked Questions

What city is ZIP code 18104 in?

ZIP code 18104 is in Allentown, Lehigh County, Pennsylvania, United States.

What county is ZIP code 18104 in?

ZIP code 18104 is in Lehigh County, Pennsylvania.

What timezone is ZIP code 18104 in?

ZIP code 18104 is in the Eastern Time (ET) zone (America/New_York).

What is the population of ZIP code 18104?

The estimated population of ZIP code 18104 is 48,683 people with a density of 819 people per square mile.

What state is ZIP code 18104 in?

ZIP code 18104 is in Pennsylvania (PA), United States.

📋 Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.