610 Area CodeAllentown, PA
Area code 610 covers Allentown and nearby communities in Pennsylvania, in the Eastern Time (ET) zone, home to about 1.3 million people across 244 cities. It overlays 484, so the same region uses both and every local call needs all ten digits.
Overview
- Major City
- Allentown
- State
- Pennsylvania (PA)
- Timezone
- Eastern Time (ET)
- Current Time
- Overlay
- Yes – shares area with 484
Where is area code 610?
Area code 610 serves part of Allentown, PA and the surrounding areas. It has a single overlay (484) that serves the same area.
Overview of the 610 Area Code
What is the 610 area code?
The 610 area code serves Allentown, Pennsylvania, alongside other established area codes. When you see a 610 number, it indicates a local number within this geographic area.
Why was area code 610 created?
The 610 area code was introduced as an overlay to add numbers in Allentown once the existing area code 484 began to run out of available prefixes. It added a new supply of numbers without requiring current residents to change their existing digits.
Geographic Coverage of the 610 Area Code
The 610 area code serves Allentown and surrounding areas in Pennsylvania. It operates within the Eastern Time (ET) time zone. It complements the coverage of area code 484. This area code covers several key cities, including:
- Allentown
- Reading
- Bethlehem
- Norristown
- Chester
- Easton
Got a call from a 610 number? It came from Allentown, PA. Since 610 overlays with 484, every local call in the region needs all ten digits to land on the right line. Inside 610, Allentown holds about 10% of the population; the rest is split across 243 smaller cities.
Allentown Area Codes Overview
Allentown is served by multiple area codes, reflecting its telecommunications needs. The 610 area code operates alongside 484. Here are the area codes serving this region:
The introduction of the 610 area code helped prevent number exhaustion, ensuring a continuous supply of phone numbers across the geographic area.
What cities does area code 610 cover?
| City | State | Population | % of Area Code | % of City |
|---|---|---|---|---|
| Allentown | PA | 127,138 | 1% | 100% |
| Reading | PA | 96,000 | 0% | 100% |
| Bethlehem | PA | 79,453 | 1% | 100% |
| Norristown | PA | 36,075 | 0% | 100% |
| Chester | PA | 34,052 | 0% | 100% |
| Easton | PA | 30,432 | 0% | 100% |
| Drexel Hill | PA | 28,043 | 0% | 100% |
| Pottstown | PA | 23,553 | 0% | 100% |
| West Chester | PA | 22,758 | 0% | 100% |
| Phoenixville | PA | 20,286 | 0% | 100% |
* Sources: Population – U.S. Census Bureau PEP, Vintage 2024 (SUB-IP-EST2024-POP). Area code assignments – NANPA CO Code data. See our data methodology.
Has area code 610 been reported for unwanted calls?
Yes – 1,148 unwanted-call complaints were reported to the FTC for numbers showing a 610 area code (May 29 – Jul 2, 2026).
- 61% robocalls
- ↑ 27% vs prior period
Most-reported subjects
- Other43%490
- Medical & prescriptions12%143
- Reducing your debt (credit cards, mortgage, student loans)11%121
* Caller ID is easily spoofed, so these figures reflect the number shown on caller ID, not the caller's true location – an area code alone never identifies a caller. The FTC does not verify the facts in these complaints. Source: FTC Do Not Call (DNC) Reported Calls Data, retrieved 2026-07-05.
Which prefixes and exchanges belong to area code 610?
78% assigned to a telco
- 81% Landline
- 19% Wireless
- 0% Unknown
| Prefix | Usage | Carrier |
|---|---|---|
| (610)200- | Landline | Core Communications |
| (610)202- | Landline | Omnipoint Communications Enterprises |
| (610)203- | Landline | Omnipoint Communications Enterprises |
| (610)204- | Landline | Schuylkill Mobile Fone |
| (610)205- | Landline | Verizon Pennsylvania |
| (610)206- | Landline | Verizon Pennsylvania |
| (610)207- | Wireless | Verizon Wireless |
| (610)208- | Landline | Verizon Pennsylvania |
| (610)209- | Wireless | New Cingular Wireless Pcs |
| (610)212- | Wireless | Verizon Wireless |
Frequently Asked Questions about the 610 Area Code
Who called me from a 610 number?
A 610 number is assigned to Allentown, Pennsylvania, so a call may come from there. But caller ID is easy to fake, and scammers often spoof a local 610 code to look nearby, so a 610 number doesn't prove the caller is local. Recently, 1,148 unwanted-call complaints were reported to the FTC for numbers showing the 610 code (61% flagged as robocalls). If you don't recognize the number, let it go to voicemail; a real caller will leave a message.
Is 610 a scam area code?
No area code is a scam on its own. 610 is a normal, officially assigned code for Allentown, Pennsylvania. Spam callers spoof local codes to raise the odds you answer, so 610 on your caller ID says nothing about who is really calling. Recently, 1,148 unwanted-call complaints were reported to the FTC for numbers showing the 610 code (61% flagged as robocalls). Judge the call itself, not the area code.
Why do I keep getting calls from the 610 area code?
Repeated calls from different 610 numbers are usually spoofing: a robocaller rotates through 610 numbers so each call looks local and slips past simple blocks. Recently, 1,148 unwanted-call complaints were reported to the FTC for numbers showing the 610 code (61% flagged as robocalls). Blocking one number rarely helps; voicemail screening, your carrier spam filter, and the Do Not Call Registry work better.
Should I answer an unknown 610 number?
If you aren't expecting a 610 call, let it ring to voicemail. Legitimate callers leave a message, most robocallers hang up when no one picks up, and answering can mark your number as active and bring more calls.
How do I block calls from the 610 area code?
Block a single 610 number from your recent-calls list (iPhone: tap the number, then Block this Caller; Android: tap the number, then Block or report spam). To cut the volume, turn on Silence Unknown Callers on iPhone or spam protection on Android, enable spam filtering from your carrier, and register at DoNotCall.gov. Blocking the entire 610 code also stops legitimate local calls, so use it only as a last resort.
Where is area code 610?
Area code 610 covers Allentown and the surrounding area in Pennsylvania, spanning 244 cities with about 1,294,231 residents. It shares its area with overlay code 484.
Is 610 a real area code?
Yes. 610 is an active code in the North American Numbering Plan, assigned by NANPA and in service for Allentown, Pennsylvania. A real code can still show up on spoofed spam calls, so treat unknown 610 calls with normal caution.
What timezone is the 610 area code in?
The 610 area code is in the Eastern Time (ET). Because a number can be kept when someone moves or switches to VoIP, a specific 610 caller may not be in that zone.
How do I call a 610 number from abroad?
From outside the US, dial your country's exit code, then 1 (the US country code), then 610 and the seven-digit number. From a mobile phone you can usually just enter +1 610 followed by the number and let the phone add the exit code for you.