Buy 303 Area Code Numbers for Port-In Activations
Get genuine 303 numbers from AT&T, T-Mobile, and Verizon. Each number comes with the account number and PIN you need, so you can process a new activation as a port-in.
PortNumbers is only for professionals in the wireless industry. You need to sign up and be approved before you can buy numbers.
Carriers for 303 numbers
You choose the carrier when you order in the portal.
AT&T Digital Port NumberArea code 303
T-Mobile Digital Port NumberArea code 303
Verizon Digital Port NumberArea code 303
Dealers for these wireless brands use PortNumbers for their port-in activations.
About the 303 area code
The 303 area code serves Denver, Boulder, Longmont, Aurora, and Golden in Colorado. It has been in service since 1947. It overlaps with the 720 and 983 area codes, which means local numbers in the same area can have any of these codes.
- State
- Colorado
- Time zone
- Mountain Time
- In service since
- 1947
- Overlapping area codes
- 720, 983
How buying a 303 number works
- 1
Sign up and get approved
Create your PortNumbers account. Every new account must be approved before it can buy numbers.
- 2
Choose 303 and your carrier
In the portal, pick AT&T, T-Mobile, or Verizon, choose area code 303, and select your delivery speed and validity term.
- 3
Port the number in
You receive the number with its account number and PIN. Use them to port the number in and complete the activation at your store.
Included with every 303 number
Other Colorado area codes
Questions about 303 numbers
PortNumbers sells 303 numbers from AT&T, T-Mobile, and Verizon. When you order in the portal, you choose the carrier and the 303 area code.
The 303 area code serves Denver, Boulder, Longmont, Aurora, and Golden in Colorado. It has been in service since 1947. It overlaps with the 720 and 983 area codes, which means local numbers in the same area can have any of these codes. The area uses Mountain Time.
Yes. PortNumbers numbers can be ported to AT&T, Verizon, T-Mobile, Cricket, Metro by T-Mobile, Boost Mobile, Total Wireless, Spectrum Mobile, and Optimum.
Yes. Vanity numbers are available on request for an additional charge. Contact support with the number you want, and we will tell you whether it can be provided.
You choose Instant, Express, or Standard delivery when you order. Once you have the number, it ports within minutes of starting the transfer.
Yes. PortNumbers is only for professionals in the wireless industry. Sign up, and once your account is approved you can buy numbers in the portal.
Start buying 303 numbers today
Join thousands of wireless dealers who use PortNumbers to turn every new activation into a port-in.
PortNumbers.com is exclusively for professionals in the wireless industry.
You need to sign up and be approved before you can buy numbers.