Area Code 484: Allentown, Pennsylvania
484 is a telephone area code serving Pennsylvania, including Allentown, Reading (overlay). It is part of the North American Numbering Plan and is dialed with the country code +1.
Numbers beginning with 484 are located in Pennsylvania, United States (NANP region: East). The code covers Allentown, Reading (overlay).
How to Dial Area Code 484
| Calling from | What to dial |
|---|---|
| Anywhere in the US or Canada | 1 484 XXX-XXXX (10-digit dialing: 484 + 7-digit number) |
| Local call inside the same area code | 7-digit number in most areas; 10 digits where an overlay code is active |
| From the UK or Europe | 00 1 484 XXX XXXX |
| From Australia | 0011 1 484 XXX XXXX |
| From a mobile phone anywhere | +1 484 XXX XXXX |
Whatever country you are calling from, the + symbol replaces the exit code. Save the contact as +1 484 XXXXXXX and it will dial correctly from any phone in the world.
Time Zone for Area Code 484
Calls to a 484 number ring in the America/New_York time zone, standard offset UTC-05:00. Daylight saving time applies here, so the offset moves forward one hour from March to November.
Cities and Communities Served by 484
The following places fall inside the 484 calling area:
Other Area Codes in Pennsylvania
These codes also serve Pennsylvania. Area codes are assigned by the North American Numbering Plan Administration (NANPA).
| Area Code | Cities / Coverage |
|---|---|
| 215 | Philadelphia |
| 223 | Lancaster (overlay) |
| 267 | Philadelphia (overlay) |
| 272 | Wilkes-Barre (overlay) |
| 412 | Pittsburgh |
| 445 | Philadelphia (overlay) |
| 570 | Wilkes-Barre, Scranton |
| 610 | Allentown, Reading |
| 717 | Harrisburg, Lancaster |
| 724 | Pittsburgh suburbs |
| 814 | Erie, Altoona |
| 835 | Southeastern Pennsylvania (overlay for 610/484) |
| 878 | Pittsburgh (overlay) |
See all 14 area codes in Pennsylvania →
Frequently Asked Questions
Where is area code 484?
Area code 484 is in Pennsylvania, United States. It covers Allentown, Reading (overlay).
What time zone is area code 484 in?
Area code 484 rings in the America/New_York time zone (UTC-05:00 standard).
Do I need to dial 1 before area code 484?
Yes, for a long-distance call inside the US and Canada you dial 1 first, then 484, then the seven-digit number. The 1 is the North American long-distance trunk prefix — it is not the country code. From outside North America you dial your exit code then 1 then 484.
Is area code 484 toll-free?
No. 484 is a standard geographic area code, so normal long-distance rates apply unless your plan includes them. Toll-free NANP codes are 800, 833, 844, 855, 866, 877 and 888.