540 area code
Where the 540 area code is, its overlay and how to dial a +1 540 number from anywhere.
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.
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.
How to dial a 540 number
+1 540 555-01231 540 555-0123540 555-0123Cities in the 540 area code
A 540 number is usually in one of these places in Virginia — 6 counties.
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.
Number holders in area code 540
Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 800 prefixes are in use in 540, shared by 58 companies. The largest holders:
| Company | Prefixes | Share |
|---|---|---|
| Verizon Virginia, Inc. | 156 | 20% |
| Cellco Partnership Dba Verizon Wireless | 79 | 10% |
| New Cingular Wireless PCS, LLC | 66 | 8% |
| Omnipoint Communications Cap Operations, LLC | 64 | 8% |
| Level 3 Communications, LLC | 50 | 6% |
| Verizon South, Inc. - Va (Contel) | 35 | 4% |
Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.
Complaints about 540 numbers
- Reports to the FTC, last 30 days
- 1,146
- Recorded messages or robocalls
- 73%
- Rank among area codes
- #31 of 670
- Most reported subjects
- Other (409)
- Reducing your debt (credit cards, mortgage, student loans) (301)
- Calls pretending to be government, businesses, or family and friends (153)
Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.
Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).
All US area codes United States +1 Map of area code 540 — cities & rate centres