MeraTalk
Area CodesMaryland
MD · Northeast COVERAGE

Maryland
Area Codes

Choose your local line from Maryland's 5 area codes and build trust across Northeast.

5Area Codes
Eastern (ET)Time Zone
NortheastRegion
Get a Maryland Number All States
Total Codes
5
Primary City
Rockville
Time Zone
Eastern (ET)
Region
Northeast
State Abbr
MD
LIVE COVERAGE · MARYLAND

Maryland area code map

COMPLETE DIRECTORY

All area codes in Maryland

CodeRegionMajor Cities
240Western Maryland (overlay)Rockville, Gaithersburg, FrederickGet this number 301Western MarylandRockville, Gaithersburg, BethesdaGet this number 410Eastern MarylandBaltimore, Annapolis, TowsonGet this number 443Eastern MD (overlay)Baltimore, Annapolis, Bel AirGet this number 667Baltimore (overlay)Baltimore, Towson, CatonsvilleGet this number
WHY GO LOCAL

Why choose a Maryland number

Look local in Rockville

A Rockville caller ID gives Maryland customers a familiar code to trust, boosting answers and engagement.

Expand without an office

Skip the lease and serve Maryland locally with a virtual MD number that works from anywhere.

Serve customers in their time zone

Routing tuned to Maryland's Eastern (ET) keeps you available exactly when customers need you.

Cover all of Maryland at once

Managing numbers spanning Maryland's 5 area codes is effortless from one central screen.

A SHORT HISTORY

A short history of Maryland's codes

Over the decades, Maryland introduced area codes to keep up with booming demand for phone lines.

1947

Area code 301 arrives in Western Maryland

301 was Maryland's first of these codes, assigned to Western Maryland and anchored by Rockville. It remains the code most Maryland 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 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

What a MD number includes

Each Maryland number comes packed with features, turning your local number into a full business platform.

Calling & SMS on one number

A MD number gives you full calling and texting power, ready anywhere you need it.

AI receptionist

Let an AI receptionist handle incoming calls, answering instantly and directing each one where it belongs.

Voicemail transcription

Your voicemails arrive as text, making it easy to scan, search, and follow up.

Call routing & ring groups

Smart routing sends Maryland calls to the right hands, ensuring nobody waits for an answer.

Shared team inbox

Your team stays in sync with a shared inbox where calls and texts are managed collaboratively.

Number porting

Port your Maryland number to MeraTalk and keep your established presence fully intact.

Jump to any state's codes

Northeast listed first

STATE
CODES
AREA CODES
4 codes
203·475·860·959
1 code
302
1 code
207
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

Maryland area codes: Q&A

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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