Allentown Area Codes, Pennsylvania, Unites States
How to call Allentown, Pennsylvania?
Allentown has 2 area codes. To call Allentown you need to dial the Unites States country code (+1) and one of the following area codes:
484 610How to know if I'm receiving calls from Allentown, Pennsylvania?
You are receiving calls from Allentown when the phone number starts with one of the following combinations:
1-484 1-610Other area codes in Unites States
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