US location post office
Allentown, Pennsylvania ZIP Codes
| ZIP Code | Type | City | County | County Code |
|---|---|---|---|---|
| 18101 | Standard | Allentown | Lehigh | 42077 |
| 18102 | Standard | Allentown | Lehigh | 42077 |
| 18103 | Standard | Allentown | Lehigh | 42077 |
| 18104 | Standard | Allentown | Lehigh | 42077 |
| 18105 | POBox | Allentown | Lehigh | 42077 |
| 18106 | Standard | Allentown | Lehigh | 42077 |
| 18109 | Standard | Allentown | Lehigh | 42077 |
| 18195 | Standard | Allentown | Lehigh | 42077 |
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