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US area code · Virginia

Area code 540

Where the 540 area code is, its overlay and how to dial a +1 540 number from anywhere.

CoversBlacksburg, VirginiaTime zoneEastern (ET)TypeOverlay
Quick answer

The 540 area code is in Blacksburg, Virginia, United States (Eastern (ET)). To call from abroad: +1 540 555-0123. It is an overlay, so all 10 digits are dialled.

StateVirginia
Main areaBlacksburg
Time zoneEastern (ET)
TypeOverlay
10-digit dialingRequired
In service since09-Aug-1994

The 540 area code is a geographic North American Numbering Plan (NANP) code covering Blacksburg, Virginia. It has been in service since 09-Aug-1994 and sits in the Eastern (ET) time zone.

Overlay 540 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.

How to dial a 540 number

From abroad+1 540 555-0123
Within the US / Canada1 540 555-0123
Locally (same area)540 555-0123

Cities in the 540 area code

A 540 number is usually in one of these places in Virginia — 6 counties.

Blacksburg MontgomeryCave SpringHarrisonburg Harrisonburg CityRoanoke Botetourt;Roanoke;Roanoke City;SalemSalem SalemStaunton Staunton CityWinchester Frederick;Winchester City

Other Virginia area codes

Frequently asked questions

Where is the 540 area code?

The 540 area code is in Blacksburg, Virginia, United States (Eastern (ET)).

Is 540 an overlay area code?

Yes. 540 overlays the same region as 703, 826, so callers dial all 10 digits.

Do I have to dial 10 digits for 540?

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

How do I call a 540 number from another country?

Dial your exit code (or +), then 1, then 540, then the number: +1 540 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 540 number does not pinpoint a street or ZIP code.

Missed a call from +1 540?

In the 30 days to September 24, 2026, 1,146 unwanted calls showing a 540 number were reported to the US Federal Trade Commission, 73% of them recorded messages or robocalls. That puts 540 at #31 of 670 area codes reported.

Other409
Reducing your debt (credit cards, mortgage, student loans)301
Calls pretending to be government, businesses, or family and friends153
Medical & prescriptions114
Before you call back
  • If you do not know anyone in Virginia, 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 540 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 +1 540 numbers

Phone companies hold blocks of numbers in each area code. The main holders in 540:

Verizon Virginia, Inc. 156Cellco Partnership Dba Verizon Wireless 79New Cingular Wireless PCS, LLC 66Omnipoint Communications Cap Operations, LLC 64Level 3 Communications, LLC 50Verizon South, Inc. - Va (Contel) 35

About 18.5% of the 800 prefixes in use belong to mobile carriers: a 540 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 540 — cities & rate centres