Area Code 540 covers western Virginia, including Blacksburg and Roanoke. Understand its geographic reach across counties like Montgomery and Roanoke. Learn 10-digit dialing requirements post-826 overlay in 2022. Includes NANPA regulatory details and dialing patterns for local (10D) and international calls. Center: 37.22957?? N, -80.41394?? W.
Frequently Asked Questions
What Virginia counties are included in area code 540?
Why is 10-digit dialing required for area code 540?
What is the area code overlay for 540 in Virginia?
How do I dial an international call to area code 540?
What are the standard dialing patterns for area code 540?
Which regulatory bodies oversee area code 540?
What is the approximate center of the 540 area code region?
Is area code 540 expected to change again in the future?
What are the main cities served by Virginia area code 540?
Does part of Loudoun County, Virginia, use area code 540?
Which area code was implemented because 540 was running out of numbers?
Who manages the assignment of area codes like 540?
What area code is Roanoke Virginia?
What is the area code 540 geographic coverage?
How do I dial a 540 number from another area code?
Why does area code 540 require 10-digit dialing?
What is area code 826 in Virginia?
When should I use 10-digit dialing for area code 540?
How to dial an international call to area code 540?
What counties are in Virginia area code 540?
Can I keep my 540 number if I move within the area code?
