Area code 748

748 is a newer area code, in service since July 7, 2025, added on top of 970. See all new area codes.

Look up a 748 number

Cities and towns in area code 748

Listed by how many phone prefixes (the 3 digits after the area code) are assigned to each place in 748.

• Durango, CO (1)
• Eagle, CO (1)
• Estes Park, CO (1)
• Fort Collins, CO (1)
• Fraser, CO (1)
• Gilcrest, CO (1)
• Greeley, CO (1)
• Ignacio, CO (1)
• Mead, CO (1)

Phone companies in area code 748

The carriers that hold the most 748 prefixes. People can move their number to another carrier, so this shows who first issued a number, not who serves it today.

All 9 prefixes in area code 748

Pick the 3 digits after the area code to see that prefix’s city and carrier.

• 222
• 333
• 444
• 666
• 777
• 800
• 888
• 900
• 999

Area codes that overlay 748

• 970

Questions

Where is area code 748?

Area code 748 is in Colorado. It serves Durango, Eagle, Estes Park, Fort Collins and Fraser and 4 other cities and towns.

What time zone is area code 748 in?

Area code 748 uses Mountain Time.

What area codes overlay 748?

970 serves the same area as 748. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.

Is a call from area code 748 a scam?

The area code alone doesn’t tell you. Most calls from 748 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 748 number, let it go to voicemail.

When did area code 748 start?

748 went into service in 2025. It was created from area code 970.

Can a 748 number be outside Colorado?

Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 748 caller can be anywhere.

Other area codes in Colorado