Area code 417: Missouri
Area code 417 is a US state area code for Missouri, on Central Time. It has 707 prefixes in service across 155 rate centers, the largest being Springfield, Joplin and Branson. NANPA lists no overlay code for it. Local calls there take 10 digits.
Local time in area code 417
America/Chicago
Prefixes in service
707 of 792 possible
155 rate centers
Area code 417 facts
| Location | Missouri, United States |
|---|---|
| Time zone | Central Time |
| Overlays | None |
| In service since | January 1, 1950 |
| Local calls | 10 digits; toll calls 1 + 10 digits |
| Carrier | Not shown. An area code is where a number was issued; numbers port between carriers. Check line type |
Which cities and towns use area code 417?
NANPA records each prefix against a rate center, the local billing area a number belongs to, usually named after its main town. These are the 417 rate centers with the most prefixes in service. 143 smaller ones aren't listed.
| Rate center | Prefixes |
|---|---|
| Springfield | 160 |
| Joplin | 43 |
| Branson | 37 |
| Bolivar | 20 |
| Carthage | 14 |
| Lebanon | 13 |
| Neosho | 12 |
| West Plains | 11 |
| Monett | 11 |
| Nevada | 10 |
| Lamar | 8 |
| Galena | 7 |
Source: NANPA central office code assignments, file dated 10/17/2026. Each prefix holds up to 10,000 numbers.
How do I dial a 417 number?
NANPA's dialling plan for 417: local calls inside the code take 10 digits, toll calls 1 + 10 digits. From another area code, dial 1 first. From abroad, use +1. The examples use 555-0147, from a range reserved for fictional numbers.
| Local call inside 417 | 417-555-0147 |
|---|---|
| From another US or Canadian area code | 1-417-555-0147 |
| From outside North America | +1 417 555 0147 |
| E.164, for CRMs and SMS tools | +14175550147 |
When did area code 417 start?
Area code 417 went into service on January 1, 1950. It has no overlay, so every number in its area still starts with it.
Tools for 417 numbers
- Area code lookup
Look up any code or a whole list of numbers, or find the codes for a state or city.
- Area code time zone
Local time for a list of numbers, with a callable-now flag.
- NPA-NXX lookup
Rate center and state for one prefix, a level below the area code.
- TCPA calling hours checker
Whether it's inside the federal 8 a.m. to 9 p.m. calling window there now.
Next step
A 417 number tells you where it was issued, not what it is now.
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Area code 417 questions
- What state is area code 417?
- Area code 417 is in Missouri, United States. Its largest rate centers by number of prefixes are Springfield, Joplin, Branson, Bolivar and Carthage.
- What time zone is area code 417 in?
- Central Time.
- Does area code 417 have an overlay?
- Not as of NANPA's file dated 10/16/2026. Every number in its area uses 417.
- When did area code 417 start?
- Area code 417 went into service on January 1, 1950.
- Is a 417 number a cell phone or a landline?
- The area code can't tell you. In the US and Canada mobiles, landlines and VoIP lines share area codes and prefixes, and numbers move between carriers and line types. Only a live line-type lookup answers it for one number.
- How many phone numbers does area code 417 have?
- 707 of its 792 possible prefixes are in service, and each prefix holds up to 10,000 numbers. That counts prefixes assigned to carriers, not numbers in use.
Other area codes in Missouri
Sources
Location, overlays, in-service date and dialling plan: NANPA NPA database, file dated 10/16/2026. Prefixes and rate centers: NANPA central office code assignments, 10/17/2026. Time zones mapped to the IANA time zone database. By the SimpleVerifier Team; how we build these pages.