Founded by Moravian settlers on Christmas Eve 1741, Bethlehem is the “Christmas City” and a Lehigh Valley anchor famous for reinventing the old Bethlehem Steel site into the SteelStacks arts campus. It shares its area codes with Allentown and southeastern Pennsylvania. This guide breaks down Bethlehem’s 610, 484, and 835 codes, the required 10-digit dialing, major ZIP codes, and local scam warnings.
Bethlehem Area Codes at a Glance
| Detail | Information |
|---|---|
| Primary Area Code(s) | 610 / 484 |
| Overlay Area Code(s) | 835 |
| Time Zone | Eastern Time (ET) – EST / EDT |
| Major County | Northampton & Lehigh Counties |
| Dialing Format | 10-digit dialing required |
Area Code Breakdown & District Mapping
610 – Southeastern PA Code
Area code 610 was created in 1994 when it split from 215, serving southeastern Pennsylvania including the Lehigh Valley, Reading, and the Philadelphia suburbs. It is Bethlehem’s primary code.
484 – Southeastern PA Overlay
Area code 484 is the 1999 overlay for the 610 region, sharing the same southeastern-Pennsylvania geography. Many newer Bethlehem lines carry a 484 prefix.
835 – Newest Southeastern PA Overlay
Area code 835 is the newest overlay for the 610/484 region, adding numbering capacity across the Lehigh Valley. An 835 number is fully local to existing 610 and 484 lines.
Neighborhoods & Local Coverage
Bethlehem’s 610/484/835 codes cover a city split by the Lehigh River into two distinct halves. The historic North Side centers on the Moravian district and Main Street, where Colonial-era buildings and the Central Moravian Church anchor the city’s Christmas traditions and the annual Musikfest.
Across the river, the SouthSide is home to Lehigh University and the SteelStacks campus — the towering blast furnaces of the former Bethlehem Steel now reborn as a concert and arts venue. The same codes reach West Bethlehem and neighboring Lehigh Valley communities like Allentown, Easton, and Freemansburg.
Local Dialing Rules & International Format
Bethlehem and the entire 610 region have required 10-digit dialing since the 484 overlay launched — always dial the area code plus the 7-digit number. Scranton to the north uses 570/272.
To call Bethlehem from outside the United States, dial your country’s exit code, then the U.S. country code +1, followed by the 10-digit number (for example, +1 610 XXX-XXXX). From inside the U.S. and Canada, simply dial 1 before the 10-digit number for long-distance calls.
Major ZIP Codes Covered
The 610 / 484 service area spans many of Bethlehem’s core ZIP codes, including 18015, 18017, 18018, and 18020.
Spam & Scam Call Warnings in Bethlehem
Bethlehem residents report spoofed 610 robocalls impersonating utilities like PPL, along with fake package-delivery and auto-warranty calls. Student-targeted rental and tuition scams also appear near Lehigh University.
| Scam Type | What to Watch For |
|---|---|
| Neighbor Spoofing | Calls that mimic a local 610 prefix to look familiar. |
| Utility / Toll Scams | Threats to shut off power or demand toll payment via gift cards. |
| IRS / Government | Robocalls claiming legal action — agencies never call to demand instant payment. |
Red flag: Any caller who pressures you to pay immediately with gift cards, wire transfers, or cryptocurrency is almost certainly running a scam. Hang up and verify through an official number.
↑ See the complete list of All US Area Codes by State for every code across the country.
Nearby & Related Pennsylvania Cities
Frequently Asked Questions
What area code is Bethlehem, PA?
Bethlehem uses area code 610 with overlays 484 and 835, shared across southeastern Pennsylvania.
Does Bethlehem have the same area code as Allentown?
Yes. Bethlehem and Allentown both use 610/484/835 in the Lehigh Valley.
Do I need to dial 10 digits in Bethlehem?
Yes. With the 484 and 835 overlays active, all local calls in the 610 region require 10-digit dialing.
What time zone is Bethlehem in?
Bethlehem is in the Eastern Time Zone (EST/EDT), like all of Pennsylvania.
Is 835 a real Pennsylvania area code?
Yes. 835 is the newest FCC-approved overlay for the 610/484 region, adding numbering capacity across the Lehigh Valley and southeastern Pennsylvania, including Bethlehem, Allentown, and Reading.
Stay Safe & Explore More
- Verify an unknown caller in our Scam Alerts directory.
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