610 area code
Philadelphia suburbs area, Eastern Time.Area code 610 covers Philadelphia suburbs, Allentown, Reading and 72 more places in Pennsylvania, on Eastern Time. 484 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 610 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 610 has 75. Each one's share is how many 610 numbers start there. Its biggest metro area is Philadelphia-Camden-Wilmington, PA-NJ-DE-MD.
- Philadelphia suburbs46%
- Allentown9%
- Reading7%
- Bethlehem4%
- West Chester3%
Also: Easton, Pottstown, Exton, Collegeville, Catasauqua, Phoenixville, Coatesville, Center Point, Emmaus, Kennett Square, Avondale (Chester), Northampton + 58 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 610 number?
Sales calls to homes and cell phones have legal hours, set by Pennsylvania law. Hold every 610 number to them, since you can't tell a work line from a personal cell.
What applies to 610Mon 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
610 and 484 and 835
610 went into service on January 8, 1994, split off from 215. 610, 484 and 835 cover the same area, so new numbers can get any of them and neighbors can have different area codes. 610 holds 47% of the area's exchanges, about as many as 484. Local calls take all 10 digits.
- 1994610 starts
- 1999484 overlay
- 2022835 overlay
Source: NANPA area code database
Calling a list of 610 numbers?
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610 area code FAQ
What area code is 610?
610 is a Pennsylvania area code for Philadelphia suburbs, Allentown, Reading, Bethlehem and 71 more places.
What time zone is the 610 area code in?
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer).
Is 484 the same as 610?
Same area, different code. 610, 484 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 610 numbers?
Mon to Sat, 9 AM to 7 PM · Sun, no calls, local time, under Pennsylvania law.
When did the 610 area code start?
On January 8, 1994. It was split from 215.
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