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US area code · Maryland

Area code 410

Where the 410 area code is, its overlay and how to dial a +1 410 number from anywhere.

CoversAnnapolis, MarylandTime zoneEastern (ET)TypeOverlay
Quick answer

The 410 area code is in Annapolis, Maryland, United States (Eastern (ET)). To call from abroad: +1 410 555-0123. It is an overlay, so all 10 digits are dialled.

StateMaryland
Main areaAnnapolis
Time zoneEastern (ET)
TypeOverlay
10-digit dialingRequired
In service since28-Dec-1990

The 410 area code is a geographic North American Numbering Plan (NANP) code covering Annapolis, Maryland. It has been in service since 28-Dec-1990 and sits in the Eastern (ET) time zone.

Overlay 410 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

410301443667

How to dial a 410 number

From abroad+1 410 555-0123
Within the US / Canada1 410 555-0123
Locally (same area)410 555-0123

Cities in the 410 area code

A 410 number is usually in one of these places in Maryland — 6 counties.

Annapolis Anne ArundelArbutusArnold Anne ArundelBaltimore Anne Arundel;Baltimore;Baltimore CityBel Air NorthBel Air SouthCarneyCatonsville BaltimoreColumbia HowardCrofton Anne ArundelDundalk BaltimoreEdgewood HarfordEldersburgEllicott City HowardEssex BaltimoreGlen Burnie Anne ArundelLochearnMiddle River BaltimoreMilford MillOdenton Anne ArundelParkville BaltimorePerry Hall BaltimorePikesville BaltimoreRandallstown BaltimoreReisterstown BaltimoreSalisbury WicomicoSevern Anne ArundelSeverna Park Anne ArundelSouth GateTowson BaltimoreWest Elkridge

Other Maryland area codes

227240301443667

Frequently asked questions

Where is the 410 area code?

The 410 area code is in Annapolis, Maryland, United States (Eastern (ET)).

Is 410 an overlay area code?

Yes. 410 overlays the same region as 301, 443, 667, so callers dial all 10 digits.

Do I have to dial 10 digits for 410?

Yes — dial the area code plus the seven-digit number.

How do I call a 410 number from another country?

Dial your exit code (or +), then 1, then 410, then the number: +1 410 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 410 number does not pinpoint a street or ZIP code.

Missed a call from +1 410?

In the 30 days to September 24, 2026, 543 unwanted calls showing a 410 number were reported to the US Federal Trade Commission, 72% of them recorded messages or robocalls. That puts 410 at #167 of 670 area codes reported.

Other183
Dropped call or no message155
Calls pretending to be government, businesses, or family and friends42
Reducing your debt (credit cards, mortgage, student loans)38
Before you call back
  • If you do not know anyone in Maryland, do not call back: a genuine caller will leave a message or send a text.
  • Scammers fake the number shown on caller ID, so a 410 number can hide a caller anywhere in the world.
  • Never give a code received by text or a bank detail to an unknown caller. In the US, calls can be reported at reportfraud.ftc.gov.

Who issues +1 410 numbers

Phone companies hold blocks of numbers in each area code. The main holders in 410:

Verizon Maryland, Inc. 510Cellco Partnership Dba Verizon Wireless 53New Cingular Wireless PCS, LLC 51Mcimetro Access Transmission Services LLC 45Spok, Inc. 28Omnipoint Communications Cap Operations, LLC 22

About 13% of the 800 prefixes in use belong to mobile carriers: a 410 number is often a cell phone, and it may have moved to another carrier since.

Sources: FTC Do Not Call reported calls (numbers as reported by consumers, not verified), NANPA central office code assignments.

All US area codes United States +1 Map of area code 410 — cities & rate centres