Area code 719 – Colorado
719 has served Colorado since 1988, split from 303. 665 of its 786 number blocks are allocated (85%). Lumen / CenturyLink is the largest holder with 36.1% of blocks, ahead of Other CLEC / VoIP at 13.5%. 958 FTC complaints named a 719 caller ID in the 33 days to 30 October 2026, putting it 46th of 422 codes with five or more complaints.
- State
- Colorado
- In service since
- 1988
- Time zone
- Mountain
- Shares area with
- No overlay
Who holds 719 number blocks
Share of the 665 assigned NXX blocks (84.6% of the 786 possible), across 66 carriers. This is share of number blocks, not of subscribers.
- Lumen36.1%
- Other CLEC / VoIP11.7%
- Onvoy11.6%
- AT&T11.6%
- Verizon10.7%
- T-Mobile8.1%
- Bandwidth3.3%
- Charter1.2%
- Consolidated0.9%
- Spok0.8%
- Comcast0.8%
- Windstream0.6%
- Telnyx0.6%
- Allstream0.5%
- Peerless0.5%
- American Messaging0.3%
- Vonage0.2%
- TPx0.2%
- Dish0.2%
- 8x80.2%
- Twilio0.2%
- TDS0.2%
Spam complaints naming 719
FTC Do Not Call complaints where the caller ID was a 719 number, 28 Sep – 30 Oct 2026 (33 days). Caller IDs on spam calls are frequently spoofed, so these are complaints about the code, not calls proven to originate in it.
Rate centers in 719
NANPA allocates number blocks to rate centers and records their names abbreviated to ten characters, so these are NANPA's codes rather than place names – CHAMPAURBN is Champaign-Urbana, NWYRCYZN01 is a New York City zone. We show them unchanged instead of guessing at the full names. Showing the largest 5 of 75.
Timeline
- 1988 719 goes into service, split from or overlaid on 303.
More about 719
Separate pages for the questions that need their own answer: what time it is there, what the complaint data says, who holds the number blocks, and how the code compares with the one it shares its area with.
Frequently asked about 719
What state is area code 719?
Colorado.
Is a call from 719 a scam?
719 is one of the most complained-about codes in the country – 958 FTC complaints in the 33 days to 30 October 2026, 46th of 422 ranked codes. Most of those calls are spoofed: the caller fakes a local-looking number because it gets answered more often. Look up the specific number rather than judging by the code.
Which carrier owns 719 numbers?
Lumen / CenturyLink holds the largest share of assigned number blocks at 36.1%. The rest is spread across 3 other carriers. This is share of number blocks, not of subscribers – people keep their numbers when they switch carriers.
Do I need to dial 10 digits in 719?
Yes – ten digits for local calls in 719, because it shares its area with another code.
Sources and verification
- NANPA – NPA Database (npa_report.csv), file date 11/01/2026, retrieved Nov 1, 2026
- NANPA – CO Code Assignment Records, All States (utilized), file updated 11/01/2026, retrieved Nov 1, 2026
- FTC – Do Not Call Reported Calls Data, 25 daily files 28 Sep – 30 Oct 2026, retrieved Nov 1, 2026
NANPA dialing note for this code: “10D”. Reviewed by the data desk. Spotted an error? Request a correction.