Allentown zipcode
| City | Allentown |
| ZIP Code | 18103 |
| Type | Standard |
| State Code | PA |
| State | Pennsylvania |
ZIP code of Allentown is 18103. This place is located in Pennsylvania state in US. To send any postal service to Allentown, you must use 18103 zipcode.
| City | Allentown |
| ZIP Code | 18103 |
| Type | Standard |
| State Code | PA |
| State | Pennsylvania |
ZIP code of Allentown is 18103. This place is located in Pennsylvania state in US. To send any postal service to Allentown, you must use 18103 zipcode.
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