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Map of ZIP Codes in Williams Township (Northampton County), Pennsylvania
List of ZIP Codes in Williams Township (Northampton County), Pennsylvania |
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ZIP Code | ZIP Code City Name | Population | ZIP Code Type |
| Easton | 41570 | Non-Unique |
| Hellertown | 11780 | Non-Unique |
| Riegelsville | 2370 | Non-Unique |