---
title: "Area code 417: Missouri, United States"
url: "https://lookvalid.com/area-code/417.md"
canonical_url: "https://lookvalid.com/area-code/417"
last_updated: "2026-10-23"
type: "reference"
summary: "Area code 417 serves Missouri, United States. Number formats, numbering rules, a live phone validator and the other codes in Missouri."
---

# Area code 417: Missouri, United States

Area code 417 serves Missouri, United States. Number formats, numbering rules, a live phone validator and the other codes in Missouri.

NANPA lists 707 central office codes (prefixes) in use in area code 417, held by 61 holders across 155 rate centers.
Southwestern Bell holds the most prefixes, 99 (14%). 82% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
The FCC unwanted-call data has 1,736 complaints on file for 1,370 numbers in 417, most often filed as "Unwanted Calls". These are consumer reports, not findings.

## Facts

- In service since: 1950-01-01
- Time zone: Central (C)
- Prefixes in use: 707
- Pooled prefixes: 581 (82%)
- Rate centers: 155
- Companies holding prefixes: 61
- Assignment dates on file: 2001-02-22 to 2026-03-31 (324 prefixes)
- ZIP codes in its places: 121

## Rate centers

| Rate center | Prefixes | Share |
| --- | --- | --- |
| SPRINGFLD | 160 | 23% |
| JOPLIN | 43 | 6% |
| BRANSON | 37 | 5% |
| BOLIVAR | 20 | 3% |
| CARTHAGE | 14 | 2% |
| LEBANON | 13 | 2% |
| NEOSHO | 12 | 2% |
| MONETT | 11 | 2% |
| 147 other rate centers | 397 | 56% |

## Carriers

| Holder | Prefixes | Share |
| --- | --- | --- |
| Southwestern Bell | 99 | 14% |
| Verizon Wireless | 87 | 12% |
| Brightspeed Of Missouri | 82 | 12% |
| New Cingular Wireless PCS | 51 | 7% |
| Onvoy | 40 | 6% |
| Rystec | 35 | 5% |
| 55 other carriers | 313 | 44% |

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

- 1950-01-01: Area code 417 went into service.

## Nearest area codes

The area codes closest to 417, measured between the centers of the ZIP code places they serve, are 479 (about 114 miles), 235 (about 122 miles), 913 (about 141 miles), 573 (about 142 miles) and 975 (about 143 miles).

## ZIP codes

121 ZIP codes fall in places that have a rate center in this area code. The places with the most are Joplin, MO (4 ZIP codes), Branson, MO (2 ZIP codes) and Aldrich, MO (1 ZIP code). 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

1,736 complaints for 1,370 numbers. Numbers whose latest complaint falls in each year:

- 2023: 58
- 2024: 97
- 2025: 107

## Questions

### Where is area code 417?

NANPA assigns area code 417 to Missouri, United States.

### In which state does area code 417 sit?

Missouri. 417 is one of 9 area codes the NANPA table assigns to the state.

### Which places does area code 417 cover?

The places with the most ZIP codes among the rate centers in 417 are Joplin, MO, Branson, MO and Aldrich, MO. The rate center list on this page shows all of them.

### Who owns area code 417?

NANPA assigns area codes. Within 417, Southwestern Bell holds the most prefixes, 99 prefixes or 14%.

### Which time zone does 417 use?

The NANPA NPA report lists the time zone for 417 as Central (C).

### What year did 417 enter service?

The NANPA NPA report gives an in-service date of 1950-01-01, so 417 has been in use since 1950.

### Does area code 417 have an overlay?

The NANPA NPA report lists no other area code in an overlay with 417.

### Which area codes are nearest to 417?

The area codes closest to 417, measured between the centers of the ZIP code places they serve, are 479 (about 114 miles), 235 (about 122 miles), 913 (about 141 miles), 573 (about 142 miles) and 975 (about 143 miles).

### How many prefixes does area code 417 have?

NANPA's report dated 2026-10-17 lists 707 prefixes in service in 417, spread over 155 rate centers and 61 holders.

### Are there complaints about 417 numbers?

The FCC data on file has 1,736 complaints for 1,370 numbers in 417. 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).