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US area code · Pennsylvania

484 area code

Where the 484 area code is, its overlay and how to dial a +1 484 number from anywhere.

CoversAllentown, PennsylvaniaTime zoneEastern (ET)TypeOverlay
Quick answer

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.

StatePennsylvania
Main areaAllentown
Time zoneEastern (ET)
TypeOverlay
10-digit dialingRequired
In service since31-Jul-1998

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.

Overlay 484 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

484610835

How to dial a 484 number

From abroad+1 484 555-0123
Within the US / Canada1 484 555-0123
Locally (same area)484 555-0123

Cities in the 484 area code

A 484 number is usually in one of these places in Pennsylvania — 7 counties.

Allentown LehighBethlehem Lehigh;NorthamptonDrexel Hill DelawareEaston NorthamptonNorristown Chester;MontgomeryPottstown Chester;MontgomeryRadnorReading BerksSpringfield DelawareWest Chester Chester

Other Pennsylvania area codes

215223267272412445570582610717724814835878

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.

Number holders in area code 484

Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 800 prefixes are in use in 484, shared by 45 companies. The largest holders:

CompanyPrefixesShare
Paetec Itel, LLC15219%
Level 3 Communications, LLC12916%
Onvoy, LLC7810%
Omnipoint Communications Enterprises, LP628%
New Cingular Wireless PCS, LLC537%
Cellco Partnership Dba Verizon Wireless456%

Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.

Complaints about 484 numbers

Reports to the FTC, last 30 days
559
Recorded messages or robocalls
71%
Rank among area codes
#153 of 670
Most reported subjects
Other (212)
Reducing your debt (credit cards, mortgage, student loans) (145)
Dropped call or no message (52)

Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.

Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).

All US area codes United States +1 Map of area code 484 — cities & rate centres

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