484 area code
Philadelphia suburbs area, Eastern Time.Area code 484 covers Philadelphia suburbs, Allentown, Reading and 72 more places in Pennsylvania, on Eastern Time. 610 and 835 cover the same area.
Right now in Allentown
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer)
Calling hours: Mon to Sat, 9 AM to 7 PM · Sun, no calls (Pennsylvania law)
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Where 484 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 484 has 75. Each one's share is how many 484 numbers start there. Its biggest metro area is Philadelphia-Camden-Wilmington, PA-NJ-DE-MD.
- Philadelphia suburbs33%
- Allentown10%
- Reading6%
- West Chester5%
- Bethlehem4%
- Pottstown3%
Also: Easton, Collegeville, Catasauqua, Coatesville, Downingtown, Exton, Phoenixville, Kennett Square, Royersford, Chester Springs, Center Point, Bath + 57 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 484 number?
Sales calls to homes and cell phones have legal hours, set by Pennsylvania law. Hold every 484 number to them, since you can't tell a work line from a personal cell.
What applies to 484Mon to Sat, 9 AM to 7 PM · Sun, no calls
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
- Pennsylvania lawMon to Sat, 9 AM to 7 PM · Sun, no callsSince Oct. 18, 2026. Covers texts and business lines, for consumer goods and services. No calls on legal holidays either, which the tool doesn't track.73 P.S. 2245, as amended by Act 47 of 2026 (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
484 and 610 and 835
484 went into service on June 5, 1999. 484, 610 and 835 cover the same area, so new numbers can get any of them and neighbors can have different area codes. 484 holds 47% of the area's exchanges, the most of any code here. Local calls take all 10 digits.
- 1994610 overlay
- 1999484 starts
- 2022835 overlay
Source: NANPA area code database
Calling a list of 484 numbers?
Paste it into the free phone number validator. It checks every number, finds each one's time zone and sorts the list by who you can call right now.
484 area code FAQ
What area code is 484?
484 is a Pennsylvania area code for Philadelphia suburbs, Allentown, Reading, West Chester and 71 more places.
What time zone is the 484 area code in?
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer).
Is 610 the same as 484?
Same area, different code. 484, 610 and 835 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 484 numbers?
Mon to Sat, 9 AM to 7 PM · Sun, no calls, local time, under Pennsylvania law.
When did the 484 area code start?
On June 5, 1999.
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