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Area code 748

Area code 748 Durango, Colorado

Area code 748 is one of the newer area codes, added in 2025 to Colorado, with numbers assigned in Durango, Eagle, Fraser and 5 more places. It’s 10:13 PM there now.

State
Colorado6 area codes in Colorado
Time zone
Mountain10:13 PM there now
Exchanges
88 places
Overlay
970Same area, 10-digit dialing
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Where area code 748 is

Numbers in 748 are assigned to 8 places in 5 counties: Weld County, La Plata County, Eagle County, Grand County and Larimer County.

No single place dominates: Durango, the largest, has 13% of the exchanges.

  • Durango1
  • Eagle1
  • Fraser1
  • Greeley1
  • Gilcrest1
  • Mead1
  • Ignacio1
  • Estes Park1

Phone companies in 748

8 blocks of numbers in 748 are held by 2 phone companies. The most belong to Inteliquent (5) and Wide Voice (3).

A large share, about 100%, belongs to competitive and internet phone carriers; wireless networks hold 0% and local phone and cable companies 0%.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

748 went into service in 2025, added to the area of 970.

970 (since 1995) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

8 new exchanges were assigned since 2021, the latest in October 2026.

Calling 748

It’s 10:13 PM Mountain time in 748 right now.

From elsewhere in the U.S., dial 1, 748 and the 7-digit number; inside the area, all 10 digits too.

Nearby area codes

Colorado has 6 area codes: 303, 719, 720, 748, 970 and 983.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 748 area code

Map of the 748 area code around Durango, Eagle and Fraser, Colorado.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 748

Where is area code 748?

In Colorado, covering Durango, Eagle and Fraser and other places across 5 counties.

What time zone is 748 in?

Mountain time. It was 10:13 PM there when this page loaded.

Is 748 an overlay?

Yes. 970 serves the same area, so dial all 10 digits for local calls.

Which phone companies have 748 numbers?

2 companies hold blocks; the most belong to Inteliquent and Wide Voice. About 0% of blocks are wireless.

Is 748 running out of numbers?

Not on record. 8 new exchanges have been assigned since 2021.