Area code 484
Where the 484 area code is, its overlay and how to dial a +1 484 number from anywhere.
The 484 area code is in Allentown, Pennsylvania, United States (Eastern (ET)). To call from abroad: +1 484 555-0123. It is an overlay, so all 10 digits are dialled.
The 484 area code is a geographic North American Numbering Plan (NANP) code covering Allentown, Pennsylvania. It has been in service since 31-Jul-1998 and sits in the Eastern (ET) time zone.
How to dial a 484 number
+1 484 555-01231 484 555-0123484 555-0123Cities in the 484 area code
A 484 number is usually in one of these places in Pennsylvania — 7 counties.
Other Pennsylvania area codes
Frequently asked questions
Where is the 484 area code?
The 484 area code is in Allentown, Pennsylvania, United States (Eastern (ET)).
Is 484 an overlay area code?
Yes. 484 overlays the same region as 610, 835, so callers dial all 10 digits.
Do I have to dial 10 digits for 484?
Yes — dial the area code plus the seven-digit number.
How do I call a 484 number from another country?
Dial your exit code (or +), then 1, then 484, then the number: +1 484 555-0123.
Source: NANPA numbering plan. An area code covers a region, not a precise address — a 484 number does not pinpoint a street or ZIP code.
Missed a call from +1 484?
In the 30 days to September 24, 2026, 559 unwanted calls showing a 484 number were reported to the US Federal Trade Commission, 71% of them recorded messages or robocalls. That puts 484 at #153 of 670 area codes reported.
- If you do not know anyone in Pennsylvania, do not call back: a genuine caller will leave a message or send a text.
- Scammers fake the number shown on caller ID, so a 484 number can hide a caller anywhere in the world.
- Never give a code received by text or a bank detail to an unknown caller. In the US, calls can be reported at reportfraud.ftc.gov.
Who issues +1 484 numbers
Phone companies hold blocks of numbers in each area code. The main holders in 484:
About 12.3% of the 800 prefixes in use belong to mobile carriers: a 484 number is often a cell phone, and it may have moved to another carrier since.
Sources: FTC Do Not Call reported calls (numbers as reported by consumers, not verified), NANPA central office code assignments.
All US area codes United States +1 Map of area code 484 — cities & rate centres