ZIP codes starting with 181
Where is ZIP code prefix 181?
Allentown, Pennsylvania
8 active ZIP codes, from 18101 to 18195
| ZIP code | City | County | Type | Population |
|---|---|---|---|---|
| 18101 | Allentown, PA | Lehigh County | Standard | 6,120 |
| 18102 | Allentown, PA | Lehigh County | Standard | 51,001 |
| 18103 | Allentown, PA | Lehigh County | Standard | 48,746 |
| 18104 | Allentown, PA | Lehigh County | Standard | 48,683 |
| 18105 | Allentown, PA | Lehigh County | PO Box only | – |
| 18106 | Allentown, PA | Lehigh County | Standard | 6,226 |
| 18109 | Allentown, PA | Lehigh County | Standard | 18,446 |
| 18195 | Allentown, PA | Lehigh County | Standard | – |
States
Questions
- Where are ZIP codes starting with 181?
- ZIP codes that start with 181 are in Pennsylvania, mainly Allentown.
- How many ZIP codes start with 181?
- 8 active ZIP codes start with 181, plus 1 retired ones.