Area Code Box

Area code 484

Where is area code 484?

Allentown, King of Prussia and Reading, Pennsylvania

Local time: … (Eastern Time)

StatePennsylvania
CountryUnited States
Main citiesAllentown, King of Prussia and Reading
Time zoneEastern Time
Overlay area codes610 and 835
In service since1999 (created from 610)
Assigned prefixes786
Dialing format(484) XXX-XXXX · +1 484 XXX XXXX from abroad

Look up a 484 number

Enter a 3-digit area code or a full 10-digit number.

Cities and towns in area code 484

Listed by how many phone prefixes (the 3 digits after the area code) are assigned to each place in 484.

Phone companies in area code 484

The carriers that hold the most 484 prefixes. People can move their number to another carrier, so this shows who first issued a number, not who serves it today.

PrefixesCarrier
152Paetec Itel
128Level 3 Communications
78Onvoy
62Omnipoint Communications Enterprises (T-Mobile)
53New Cingular Wireless PCS (AT&T)
45Verizon Wireless
41Mcimetro Access Transmission Services
29Core Communications

All 786 prefixes in area code 484

Pick the 3 digits after the area code to see that prefix’s city and carrier.

Area codes that overlay 484

Questions

Where is area code 484?
Area code 484 is in Pennsylvania. It serves Allentown, King of Prussia, Reading, West Chester and Bethlehem and 68 other cities and towns.
What time zone is area code 484 in?
Area code 484 uses Eastern Time.
What area codes overlay 484?
610 and 835 serve the same area as 484. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.
Is a call from area code 484 a scam?
The area code alone doesn’t tell you. Most calls from 484 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 484 number, let it go to voicemail.
When did area code 484 start?
484 went into service in 1999. It was created from area code 610.
Can a 484 number be outside Pennsylvania?
Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 484 caller can be anywhere.

Other area codes in Pennsylvania

Area codeMain cities
215Philadelphia, Phphsbzn33 and Phphsbzn39
223Harrisburg, Columbia and Lancaster
267Philadelphia, Langhorne and Doylestown
272Williamsport, Pittston and New Milford
412Pittsburgh, Monroeville and McKeesport
445Philadelphia, Morrisville and Phphsbzn39
570Scranton, Wilkes-Barre and Williamsport
582Boalsburg, Reynoldsville and Erie
717Harrisburg, Lancaster and York
724Greensburg, Washington and Butler
814Erie, Altoona and Johnstown
878Pittsburgh, Beaver Falls and Washington