Elizabeth, Union, Westfield, Summit, and the wealthy Somerset and Hunterdon county corridor share the 908 area code, covering central and northwestern New Jersey. Split from 201 in June 1991, then trimmed further when 732 took its eastern towns in 1997, 908 has shrunk twice — yet it's never taken an overlay, one of only two area codes left standing alone in a state where nearly every other code has been doubled up.
This guide covers 908's counties and cities, why it's stayed a single code while the rest of New Jersey layered on overlays, what's driving demand across its pharma-and-corporate corridor, and how to dial correctly.
Counties and cities at a glance
908 covers Union, Somerset, Hunterdon, and Warren counties, plus parts of Middlesex and Morris — anchored by Elizabeth, with Plainfield, Union, Westfield, Summit, and Bridgewater among its other hubs.
The last single code in a state full of overlays
New Jersey has added an overlay to almost every one of its area codes — 551 rides on top of 201, 862 on 973, 640 on 609. But 908 has never needed one. After splitting from 201 in 1991 and losing its eastern towns to 732 in 1997, the numbers 908 had left proved to be enough — leaving it and 856 as the only two New Jersey codes still running solo.
What's driving demand across central New Jersey
Central New Jersey's economy blends pharmaceutical research with corporate headquarters and commuter density:
Pharma and biotech The region sits inside New Jersey's dense pharmaceutical corridor, anchoring a large base of research, lab, and administrative lines.
Corporate headquarters Route 78 and Route 22 run through a cluster of corporate offices across Union and Somerset counties, keeping commercial lines in steady demand.
NYC commuter belt Easy rail and highway access into Manhattan makes towns like Westfield and Summit a magnet for professionals who still need a local New Jersey number.
Many of these central New Jersey businesses are moving their phone systems onto UCaaS (Unified Communications as a Service) — one cloud platform for calling, video, and messaging that scales as a company adds offices across the corridor, the same pattern behind other single-code regions like 907 in Alaska. Contact us to set up a 908 number for your New Jersey business.
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How to get a 908 area code number
Sign up with a VoIP provider such as My Country Mobile, search available numbers in the 908 code, and pick a prefix tied to the part of central New Jersey your business serves. Most providers can port an existing number over from another carrier, activate a new line same-day, and route calls to any device without new hardware.
Time zone & how to dial a 908 number
Central New Jersey runs on Eastern Time (ET) — EST (UTC −5) in winter, EDT (UTC −4) during Daylight Saving Time. Ten-digit dialing has been mandatory since October 24, 2021: dial 1, then the area code, then the seven-digit number, for every local call.
Key takeaways
- 908 covers central and northwestern New Jersey, anchored by Elizabeth.
- It split from 201 in 1991 and lost territory to 732 in 1997 — yet has never needed an overlay.
- Along with 856, it's one of only two New Jersey area codes still standing alone.
- Anchors include pharma and biotech, corporate headquarters, and NYC commuter towns.
- Time zone: Eastern (ET), with mandatory 10-digit dialing since October 2021.
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Frequently asked questions
What is the 908 area code?
It covers central and northwestern New Jersey, including Elizabeth, Union, and Westfield, and has been active since 1991.
Where is the 908 area code located?
Central and northwestern New Jersey — Union, Somerset, Hunterdon, and Warren counties, plus parts of Middlesex and Morris.
Is 908 a Florida area code?
No. It has never been assigned to Florida — this is strictly a New Jersey code.
What state is the 908 area code in?
New Jersey — specifically the central and northwestern part of the state.
What time zone is the 908 area code?
Eastern Time Zone (ET) — EST (UTC −5) in winter and EDT (UTC −4) during Daylight Saving Time.
Why doesn't 908 have an overlay like most New Jersey codes?
After shrinking twice — losing territory to 201's split and later to 732 — the numbers left in 908 have been enough to avoid exhaustion, unlike almost every other New Jersey area code.
How do I get a 908 area code number?
Sign up with a VoIP provider such as My Country Mobile, search for available numbers in the 908 code, choose a central New Jersey prefix, select a plan, and activate.
