MeraTalk
Area CodesMaryland240
Maryland · Western Maryland (overlay)

Area Code
240

A 240 number plants your flag in Western Maryland (overlay), no hardware and no waiting.

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240
Local numbers · (240)
Numbers available
Search Western Maryland (overlay) numbers…
+1 (240) ···
Rockville, MDPRIMARY
Available
+1 (240) ···
Gaithersburg, MD
Available
+1 (240) ···
Frederick, MD
Available
+1 (240) ···
Hagerstown, MD
Available
State
MD
Timezone
Eastern (ET)
Cities
4+
Population
1.0M+
Year Introduced
1997
Population
1.0M+
Time Zone
Eastern (ET)
Cities Covered
4+ cities
MD Area Codes
240301410443+1
WHAT IS 240

The basics of area code 240

Established back in 1997, 240 covers Western Maryland (overlay) and communities such as Rockville, Gaithersburg, Frederick. It operates in Eastern (ET) with a population of about 1.0M+.

MeraTalk gets you a 240 number for Western Maryland (overlay) in minutes, so you can start taking local calls right away.

KEY FACTS
AREA CODE
240
STATE
Maryland (MD)
REGION
Northeast
TIME ZONE
Eastern (ET) · UTC−5
CITIES & COVERAGE

240 covers Western Maryland (overlay)

Rockville
Primary
Gaithersburg
Coverage
Frederick
Coverage
Hagerstown
Coverage
LIVE COVERAGE · MD

240 area code coverage map

WHY CHOOSE 240

Four reasons to get a 240 number

A 240 number for Maryland is the foundation of a local presence that customers recognize and trust.

REASON 01

Authentic MD presence

For Rockville customers, a 240 number feels like home, and that feeling translates straight into trust.
REASON 02

Higher answer rates

A 240 number means more pickups, as customers trust a code from their own area enough to answer.
REASON 03

Instant activation

A 240 number is ready to go the instant you claim it, with zero setup or shipping involved.
REASON 04

Work from anywhere

A 240 number gives you the freedom to work anywhere while keeping your local line intact.
HOW TO GET YOUR 240 NUMBER

Getting 240 up and running

01

Visit the MeraTalk signup page

Begin the process with a fast, free account signup that asks for only the essentials.
02

Select area code 240

Select 240 to put your business squarely in Western Maryland (overlay) with a local number.
03

Choose your plan

Choose a plan that matches your needs today and can grow with you tomorrow.
04

Start calling in seconds

Your 240 number activates here, so you can begin connecting with customers immediately.
PUT IT TO WORK

Where a 240 number shines

Sales teams calling into Rockville

Outbound reps dial Western Maryland (overlay) prospects from a number those prospects recognize. A familiar 240 caller ID gets the conversation started instead of going to voicemail.

Customer support lines

Give your Western Maryland (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.

Remote and distributed teams

Your team doesn't need to live in Maryland to answer a 240 number. Calls ring on laptops and mobiles anywhere, while customers see a hometown business.

Multi-location businesses

Pair your 240 number with local numbers in other markets you serve. Each location keeps its own identity while every call lands in one shared MeraTalk workspace.

A SHORT HISTORY

Tracing area code 240

Area codes are added as a region's demand for phone numbers grows. Here's when each Maryland code came online — and where 240 fits in.

1947

Area code 301 arrives in Western Maryland

301 was the first of Maryland's current codes, assigned to Western Maryland and anchored by Rockville. It remains the code most residents associate with Rockville and Gaithersburg.

1992

Area code 410 arrives in Eastern Maryland

As Eastern Maryland grew, 410 was introduced to keep up with demand for new numbers around Baltimore and Annapolis. Existing numbers kept their codes — 410 simply opened fresh inventory for the area.

1997

Area code 240 — this page's code — arrives in Western Maryland (overlay)

As Western Maryland (overlay) grew, 240 was introduced to keep up with demand for new numbers around Rockville and Gaithersburg. Existing numbers kept their codes — 240 simply opened fresh inventory for the area.

1997

Area code 443 arrives in Eastern MD (overlay)

As Eastern MD (overlay) grew, 443 was introduced to keep up with demand for new numbers around Baltimore and Annapolis. Existing numbers kept their codes — 443 simply opened fresh inventory for the area.

2012

Area code 667 arrives in Baltimore (overlay)

As Baltimore (overlay) grew, 667 was introduced to keep up with demand for new numbers around Baltimore and Towson. Existing numbers kept their codes — 667 simply opened fresh inventory for the area.

More than a number

Everything included with your 240 number

Calling & SMS on one number

Make and receive calls and texts from your 240 number on desktop, mobile, or desk phone. One number for everything — no app-switching, no confusion.

AI receptionist

Answers, screens, and routes every call to your 240 number around the clock — even when your team is offline or busy.

Shared team inbox

Every call and text to your 240 number is visible to the whole team — anyone can pick up, reply, or follow up.

Voicemail transcription

Missed calls become readable transcripts delivered to your inbox.

Call routing & ring groups

Route Western Maryland (overlay) callers to the right person on your schedule.

Number porting

Already have a 240 number? Bring it — porting is on every plan.

All area codes in Maryland

5 area codes covering Maryland

Code
Region
Major Cities
Timezone
240Current
Western Maryland (overlay)
Rockville·Gaithersburg·Frederick·Hagerstown
Eastern (ET)
301
Western Maryland
Rockville·Gaithersburg·Bethesda·Silver Spring
Eastern (ET)
410
Eastern Maryland
Baltimore·Annapolis·Towson·Columbia
Eastern (ET)
443
Eastern MD (overlay)
Baltimore·Annapolis·Bel Air·Dundalk
Eastern (ET)
667
Baltimore (overlay)
Baltimore·Towson·Catonsville·Pikesville
Eastern (ET)
HOW IT WORKS

Getting to know 240

Area code 240 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 240 was assigned to Western Maryland (overlay) and serves Rockville and Gaithersburg as its primary markets.

When a call is made to a 240 number, the carrier routes it through the Eastern (ET) time zone switching network. This also means that when customers see a 240 number on their caller ID, they immediately associate it with Western Maryland (overlay) — before the call is even answered.

Region
Western Maryland (overlay)
Timezone
Eastern (ET)
Introduced
1997
Population served
1.0M+
LOCAL PRESENCE

Why 240 wins local confidence

The area code on your caller ID shapes how customers in Western Maryland (overlay) decide whether to pick up or ignore your call.

Higher answer rates

Calls from a local 240 number are far more likely to be answered than calls from an out-of-state or toll-free number. Customers in Western Maryland (overlay) recognise the code and trust it as local.

Established presence

A 240 number tells prospects in Maryland that you operate in their market — even if your team is fully remote or based elsewhere. First impressions happen before the first word.

Work from anywhere

With a cloud-hosted 240 number, your team can answer calls from any device, in any location. The local area code stays consistent while your team stays flexible.

Browse area codes by state

Northeast listed first

STATE
CODES
AREA CODES
4 codes
203·475·860·959
1 code
302
1 code
207
5 codes
240·301·410·443·667
9 codes
339·351·413·508·617·774·781+2 more
10 codes
201·551·609·640·732·848·856+3 more
19 codes
212·315·332·347·516·518·585+12 more
13 codes
215·223·267·272·412·445·484+6 more
1 code
802
FAQ

Area code 240: FAQs

MORE AREA CODES

Related area codes across the Northeast

Explore other Northeast area codes and find the right local number for every market you serve.

RELATED RESOURCES

More about area code 240

Set up your 240 number on MeraTalk, compare other US area codes, or read the public record for Western Maryland (overlay).

Testimonials

What teams say after 90 days on the platform.

Sample placeholders — replace with verified customer outcomes after sales approval.

Three vendors collapsed into one bill, and the AI receptionist booked $38k of consultations while we were closed. The platform paid for the year inside the first quarter.

Customer
Multi-location dental practice
on consolidating the stack

Inbound calls finally attach to the right deal. We attributed six figures of pipeline last quarter to calls that used to disappear into a generic queue.

Customer
Mid-market insurance brokerage
on the HubSpot plugin

Our outbound dialer's connect rate doubled inside two weeks. Lead prioritisation actually works when it runs against your live CRM, not a stale CSV.

Customer
Staffing agency
on the AI Power Dialer

Every after-hours call used to be a missed job — about $7k a month down the drain. The AI receptionist closed the gap in week one.

Customer
Home services company
on the AI receptionist

Three vendors collapsed into one bill, and the AI receptionist booked $38k of consultations while we were closed. The platform paid for the year inside the first quarter.

Customer
Multi-location dental practice
on consolidating the stack

Inbound calls finally attach to the right deal. We attributed six figures of pipeline last quarter to calls that used to disappear into a generic queue.

Customer
Mid-market insurance brokerage
on the HubSpot plugin

Our outbound dialer's connect rate doubled inside two weeks. Lead prioritisation actually works when it runs against your live CRM, not a stale CSV.

Customer
Staffing agency
on the AI Power Dialer

Every after-hours call used to be a missed job — about $7k a month down the drain. The AI receptionist closed the gap in week one.

Customer
Home services company
on the AI receptionist
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