Area code 640 is assigned to Central NJ (overlay) in New Jersey. It serves communities including Trenton, Hamilton, Ewing, and more. Introduced in 2018, this code provides local phone service for a population of approximately 1.0M+ people across the Eastern (ET) time zone.
With MeraTalk, you can obtain a 640 number instantly — no need to be physically located in New Jersey. Use it to build local credibility, increase answer rates, and serve Central NJ (overlay) customers like a local business.
A 640 number from MeraTalk gives your business an authentic New Jersey presence — without the cost or complexity of a physical office.
Outbound reps dial Central NJ (overlay) prospects from a number those prospects recognize. A familiar 640 caller ID gets the conversation started instead of going to voicemail.
Give your Central NJ (overlay) customers a local number to call for help. Calls route to your support team wherever they sit, with queues, schedules, and an AI receptionist after hours.
Your team doesn't need to live in New Jersey to answer a 640 number. Calls ring on laptops and mobiles anywhere, while customers see a hometown business.
Pair your 640 number with local numbers in other markets you serve. Each location keeps its own identity while every call lands in one shared MeraTalk workspace.
Area codes are added as a region's demand for phone numbers grows. Here's when each New Jersey code came online — and where 640 fits in.
201 was the first of New Jersey's current codes, assigned to Northeast New Jersey and anchored by Jersey City. It remains the code most residents associate with Jersey City and Hackensack.
As Central New Jersey grew, 609 was introduced to keep up with demand for new numbers around Trenton and Princeton. Existing numbers kept their codes — 609 simply opened fresh inventory for the area.
As Central New Jersey grew, 908 was introduced to keep up with demand for new numbers around Elizabeth and Union. Existing numbers kept their codes — 908 simply opened fresh inventory for the area.
As Central New Jersey grew, 732 was introduced to keep up with demand for new numbers around Edison and New Brunswick. Existing numbers kept their codes — 732 simply opened fresh inventory for the area.
As North New Jersey grew, 973 was introduced to keep up with demand for new numbers around Newark and Paterson. Existing numbers kept their codes — 973 simply opened fresh inventory for the area.
As Northeast NJ (overlay) grew, 551 was introduced to keep up with demand for new numbers around Jersey City and Hackensack. Existing numbers kept their codes — 551 simply opened fresh inventory for the area.
As Central NJ (overlay) grew, 848 was introduced to keep up with demand for new numbers around Toms River and Lakewood. Existing numbers kept their codes — 848 simply opened fresh inventory for the area.
As South New Jersey grew, 856 was introduced to keep up with demand for new numbers around Camden and Cherry Hill. Existing numbers kept their codes — 856 simply opened fresh inventory for the area.
As North New Jersey (overlay) grew, 862 was introduced to keep up with demand for new numbers around Newark and Paterson. Existing numbers kept their codes — 862 simply opened fresh inventory for the area.
As Central NJ (overlay) grew, 640 was introduced to keep up with demand for new numbers around Trenton and Hamilton. Existing numbers kept their codes — 640 simply opened fresh inventory for the area.
A 640 number on MeraTalk isn't a standalone line — it's the front door to a full cloud phone system your whole team can use.
Make and receive calls and texts from your 640 number on desktop, mobile, or desk phone.
An AI receptionist answers, screens, and routes every call to your number — around the clock.
Missed calls become readable transcripts in your inbox, so nothing from your customers slips through.
Send Central NJ (overlay) callers to the right person or team automatically, based on schedules you control.
Your whole team can see, answer, and follow up on calls and texts to the same local number.
Already have a 640 number? Bring it with you — porting is supported on every plan.
10 area codes covering New Jersey
| Code | Region | Major Cities | Timezone | |
|---|---|---|---|---|
| 201 | Northeast New Jersey | Jersey City·Hackensack·Hoboken·Bayonne | Eastern (ET) | |
| 551 | Northeast NJ (overlay) | Jersey City·Hackensack·Fort Lee·Teaneck | Eastern (ET) | |
| 609 | Central New Jersey | Trenton·Princeton·Atlantic City·Cherry Hill | Eastern (ET) | |
| 640Current | Central NJ (overlay) | Trenton·Hamilton·Ewing·Vineland | Eastern (ET) | |
| 732 | Central New Jersey | Edison·New Brunswick·Toms River·Woodbridge | Eastern (ET) | |
| 848 | Central NJ (overlay) | Toms River·Lakewood·Brick·Edison | Eastern (ET) | |
| 856 | South New Jersey | Camden·Cherry Hill·Vineland·Gloucester City | Eastern (ET) | |
| 862 | North New Jersey (overlay) | Newark·Paterson·Elizabeth·Clifton | Eastern (ET) | |
| 908 | Central New Jersey | Elizabeth·Union·Plainfield·Linden | Eastern (ET) | |
| 973 | North New Jersey | Newark·Paterson·Clifton·Passaic | Eastern (ET) |
Area code 640 is part of the North American Numbering Plan (NANP) — the system that assigns three-digit codes to geographic regions across the US, Canada, and parts of the Caribbean. Code 640 was assigned to Central NJ (overlay) and serves Trenton and Hamilton as its primary markets.
When a call is made to a 640 number, the carrier routes it through the Eastern (ET) time zone switching network. This also means that when customers see a 640 number on their caller ID, they immediately associate it with Central NJ (overlay) — before the call is even answered.
The area code on your caller ID shapes how customers in Central NJ (overlay) decide whether to pick up or ignore your call.
Calls from a local 640 number are far more likely to be answered than calls from an out-of-state or toll-free number. Customers in Central NJ (overlay) recognise the code and trust it as local.
A 640 number tells prospects in New Jersey that you operate in their market — even if your team is fully remote or based elsewhere. First impressions happen before the first word.
With a cloud-hosted 640 number, your team can answer calls from any device, in any location. The local area code stays consistent while your team stays flexible.
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Same product, same support, same compliance on every plan. The AI receptionist is included from day one.