---
title: "Area code 719: Colorado, United States"
url: "https://lookvalid.com/area-code/719.md"
canonical_url: "https://lookvalid.com/area-code/719"
last_updated: "2026-10-23"
type: "reference"
summary: "Area code 719 serves Colorado, United States. Number formats, numbering rules, a live phone validator and the other codes in Colorado."
---

# Area code 719: Colorado, United States

Area code 719 serves Colorado, United States. Number formats, numbering rules, a live phone validator and the other codes in Colorado.

NANPA lists 663 central office codes (prefixes) in use in area code 719, held by 64 holders across 75 rate centers.
The largest rate center is COLORDOSPG, with 310 prefixes (47%).
Qwest holds the most prefixes, 165 (25%). 67% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
The FCC unwanted-call data has 4,488 complaints on file for 3,000 numbers in 719, most often filed as "Unwanted Calls". These are consumer reports, not findings.

## Facts

- In service since: 1988-03-05
- Time zone: Mountain (M)
- Prefixes in use: 663
- Pooled prefixes: 447 (67%)
- Rate centers: 75
- Companies holding prefixes: 64
- Assignment dates on file: 2001-01-03 to 2026-04-23 (314 prefixes)
- ZIP codes in its places: 78

## Rate centers

| Rate center | Prefixes | Share |
| --- | --- | --- |
| COLORDOSPG | 310 | 47% |
| PUEBLO | 78 | 12% |
| CANON CITY | 15 | 2% |
| ALAMOSA | 13 | 2% |
| PEYTON | 11 | 2% |
| TRINIDAD | 11 | 2% |
| LA JUNTA | 9 | 1% |
| LAMAR | 9 | 1% |
| 67 other rate centers | 207 | 31% |

## Carriers

| Holder | Prefixes | Share |
| --- | --- | --- |
| Qwest | 165 | 25% |
| Onvoy | 77 | 12% |
| Verizon Wireless | 62 | 9% |
| New Cingular Wireless PCS | 59 | 9% |
| T-Mobile USA | 49 | 7% |
| Centurylink | 34 | 5% |
| 58 other carriers | 217 | 33% |

A prefix holder is the company a code was assigned to, not necessarily a number's current carrier, because numbers can be ported to another company.

## History

- 1947-01-01: Area code 303, named as the parent of 719 in the NANPA report, was in service.
- 1988-03-05: Area code 719 went into service.

## Nearest area codes

The area codes closest to 719, measured between the centers of the ZIP code places they serve, are 303 (about 111 miles), 720 (about 111 miles), 983 (about 111 miles), 970 (about 127 miles) and 505 (about 218 miles).

## ZIP codes

78 ZIP codes fall in places that have a rate center in this area code. The places with the most are Pueblo, CO (12 ZIP codes), Alamosa, CO (2 ZIP codes) and Canon City, CO (2 ZIP codes). A ZIP code and an area code are unrelated systems, so a ZIP code can sit in more than one area code and an area code spans many ZIP codes.

## Complaints on file

4,488 complaints for 3,000 numbers. Numbers whose latest complaint falls in each year:

- 2023: 218
- 2024: 194
- 2025: 209

## Questions

### Where is area code 719?

NANPA assigns area code 719 to Colorado, United States.

### In which state does area code 719 sit?

Colorado. 719 is one of 6 area codes the NANPA table assigns to the state.

### Which places does area code 719 cover?

The places with the most ZIP codes among the rate centers in 719 are Pueblo, CO, Alamosa, CO and Canon City, CO. The rate center list on this page shows all of them.

### Who owns area code 719?

NANPA assigns area codes. Within 719, Qwest holds the most prefixes, 165 prefixes or 25%.

### Which time zone does 719 use?

The NANPA NPA report lists the time zone for 719 as Mountain (M).

### What year did 719 enter service?

The NANPA NPA report gives an in-service date of 1988-03-05, so 719 has been in use since 1988.

### Does area code 719 have an overlay?

The NANPA NPA report lists no other area code in an overlay with 719.

### Which area codes are nearest to 719?

The area codes closest to 719, measured between the centers of the ZIP code places they serve, are 303 (about 111 miles), 720 (about 111 miles), 983 (about 111 miles), 970 (about 127 miles) and 505 (about 218 miles).

### How many prefixes does area code 719 have?

NANPA's report dated 2026-10-17 lists 663 prefixes in service in 719, spread over 75 rate centers and 64 holders.

### Are there complaints about 719 numbers?

The FCC data on file has 4,488 complaints for 3,000 numbers in 719. They are unverified consumer reports. A number with no complaints on file is not proven safe.

Sources: NANPA central office code report dated 2026-10-17; NANPA NPA report dated 2026-10-18; FCC unwanted-call complaints, data fetched 2026-10-17; ZIP code places from GeoNames (CC BY 4.0).