Area Code 417
Springfield, Missouri · United States
Split from 816. Southwestern Missouri.
About Area Code 417
Area code 417 is a geographic telephone area code assigned to Springfield, Missouri. It operates in the Central time zone and was first introduced in 1951. Split from 816. Southwestern Missouri.
Within Missouri, area code 417 shares numbering capacity with 5 other area codes. The state's 6,184,543-person population (2023 Census Bureau estimate) is served by a combined 6 active codes, with 417 primarily responsible for the Springfield region. Missouri's state capital is Jefferson City, and its largest city is Kansas City.
When you receive a call from a 417 number on your Caller ID, the call originated from a phone number assigned to the 417 area code — but be aware that Local Number Portability (in effect since 2003) means the caller could be physically located anywhere in the US or Canada. Area code 417 only confirms where the number was originally assigned.
Where is the 417 area code located?
Area code 417 is assigned to Springfield, Missouri, in the Central time zone. The state of Missouri uses 6 active area codes, and 417 is one of them. Calls placed from the 417 area code originate from numbers assigned by NANPA — the North American Numbering Plan Administrator — and the 417 prefix appears on Caller ID for both landline and wireless calls placed from this region.
The Central time zone observes Daylight Saving Time, shifting from UTC-6 to UTC-5 in summer. The local time shown above is always current, so you can quickly check whether it's a reasonable hour to call back.
What cities and counties use the 417 area code?
The 417 area code serves 11 notable cities, listed below in order of population. The largest city in the 417 territory is Springfield (171,591 residents in Greene County).
- Springfield, MO — 171,591 residents (10.3% of 417 numbers)
- Kansas City, MO — 508,090 residents (30.5% of 417 numbers)
- Saint Louis, MO — 286,578 residents (17.2% of 417 numbers)
- Independence, MO — 122,924 residents (7.4% of 417 numbers)
- Columbia, MO — 126,532 residents (7.6% of 417 numbers)
- Lee's Summit, MO — 102,092 residents (6.1% of 417 numbers)
- O'Fallon, MO — 92,652 residents (5.6% of 417 numbers)
- Saint Joseph, MO — 72,779 residents (4.4% of 417 numbers)
- Saint Charles, MO — 71,036 residents (4.3% of 417 numbers)
- Blue Springs, MO — 61,043 residents (3.7% of 417 numbers)
Phone number format in area code 417
All phone numbers within area code 417 follow the standard North American 10-digit format:(417) NXX-XXXX. The NXX is the central office prefix (also called an "exchange") and XXXX is the subscriber line number. For long-distance calls within the NANP, dial 1 + 417 + NXX + XXXX. From outside North America, dial your country's international access code, then 1 (the NANP country code), then the 10-digit number.
If you need to verify whether a specific 417 number is wireless, landline, or VoIP, you can use our reverse phone lookup tool. Be aware that number portability means the area code no longer guarantees the caller's physical location — only where the number was first assigned.
History of area code 417
Split from 816. Southwestern Missouri.
The original 86 area codes were assigned by AT&T and Bell Labs in 1947 as part of the North American Numbering Plan. At the time, rotary-dial phones meant codes with lower digits (like 212 for NYC, 213 for LA, 312 for Chicago) were given to the largest cities because they took less time to dial. Today's area code assignments still reflect those early choices, even though touch-tone and cell phones made the original reason obsolete.
Is the 417 area code safe to answer?
Area code 417 itself is a normal geographic code with no elevated spam risk. That said, scammers can spoof any area code — including 417 — so if you don't recognize the full number, let it go to voicemail and verify the caller's identity before calling back.
| City | County | Population | % of 417 |
|---|---|---|---|
| Springfield, MO | Greene | 171,591 | 10.3% |
| Kansas City, MO | Wyandotte | 508,090 | 30.5% |
| Saint Louis, MO | St. Louis City | 286,578 | 17.2% |
| Independence, MO | Jackson | 122,924 | 7.4% |
| Columbia, MO | Boone | 126,532 | 7.6% |
| Lee's Summit, MO | Unknown | 102,092 | 6.1% |
| O'Fallon, MO | Unknown | 92,652 | 5.6% |
| Saint Joseph, MO | Unknown | 72,779 | 4.4% |
| Saint Charles, MO | Unknown | 71,036 | 4.3% |
| Blue Springs, MO | Unknown | 61,043 | 3.7% |
| Florissant, MO | Unknown | 49,828 | 3% |
| County | Population | % of 417 | % of County |
|---|---|---|---|
| Greene, MO | 298,164 | 7.8% | 95% |
| St. Louis County, MO | 993,499 | 26.1% | 76% |
| Jackson, MO | 719,265 | 18.9% | 42% |
| St. Charles, MO | 407,542 | 10.7% | 67% |
| St. Louis City, MO | 286,578 | 7.5% | 32% |
| Clay, MO | 255,062 | 6.7% | 93% |
| Jefferson, MO | 226,739 | 6% | 85% |
| Boone, MO | 183,610 | 4.8% | 58% |
| Jasper, MO | 122,196 | 3.2% | 37% |
| Cass, MO | 106,860 | 2.8% | 38% |
| Platte, MO | 105,236 | 2.8% | 99% |
| Franklin, MO | 104,066 | 2.7% | 98% |
| Prefix | City | Carrier | Assigned |
|---|---|---|---|
| 417-202 | Springfield | Sprint | 1980 |
| 417-212 | Saint Louis | Verizon Wireless | 1981 |
| 417-222 | Springfield | Cable One | 2022 |
| 417-232 | Springfield | CenturyLink | 2005 |
| 417-242 | Springfield | Spectrum | 2005 |
| 417-252 | Springfield | Bandwidth.com | 2011 |
| 417-262 | Saint Joseph | T-Mobile USA | 1981 |
| 417-272 | Springfield | Bandwidth.com | 1992 |
| 417-282 | Lee's Summit | T-Mobile USA | 1989 |
| 417-292 | Springfield | Cable One | 1990 |
| 417-302 | Columbia | Cable One | 2011 |
| 417-312 | Springfield | Cable One | 2020 |
| 417-322 | Saint Joseph | AT&T Mobility | 2007 |
| 417-332 | Independence | Verizon Wireless | 1989 |
| 417-342 | Springfield | Sprint | 2016 |
| 417-352 | Springfield | Cable One | 2018 |
| 417-362 | Springfield | Frontier Communications | 2017 |
| 417-372 | Springfield | CenturyLink | 1999 |
| 417-382 | Springfield | AT&T Mobility | 1985 |
| 417-392 | Springfield | Spectrum | 1990 |
| 417-402 | Springfield | Spectrum | 2000 |
| 417-412 | Lee's Summit | Verizon Wireless | 1976 |
| 417-422 | Springfield | AT&T Mobility | 1975 |
| 417-432 | Columbia | CenturyLink | 2023 |
| 417-442 | Springfield | Verizon Wireless | 1994 |
| 417-452 | Springfield | Bandwidth.com | 2004 |
| 417-462 | Springfield | Comcast | 1989 |
| 417-472 | Springfield | AT&T Mobility | 2022 |
| 417-482 | Springfield | Frontier Communications | 2019 |
| 417-492 | Springfield | CenturyLink | 1990 |
| 417-502 | Springfield | T-Mobile USA | 2023 |
| 417-512 | Springfield | AT&T Mobility | 2008 |
| 417-522 | Springfield | T-Mobile USA | 1977 |
| 417-532 | Springfield | Spectrum | 2008 |
| 417-542 | Springfield | Frontier Communications | 1977 |
| 417-552 | Springfield | T-Mobile USA | 1996 |
| 417-562 | Springfield | Comcast | 1977 |
| 417-572 | Springfield | Spectrum | 2004 |
| 417-582 | Columbia | Verizon Wireless | 1975 |
| 417-592 | Kansas City | Comcast | 1998 |
| 417-602 | Saint Louis | T-Mobile USA | 1995 |
| 417-612 | Springfield | Sprint | 1992 |
| 417-622 | Saint Joseph | Cable One | 1998 |
| 417-632 | Springfield | Verizon Wireless | 2009 |
| 417-642 | Independence | Cox Communications | 1992 |
| 417-652 | Lee's Summit | T-Mobile USA | 2005 |
| 417-662 | Independence | Verizon Wireless | 1994 |
| 417-672 | Saint Louis | Spectrum | 1980 |
| 417-682 | Springfield | Frontier Communications | 1992 |
| 417-692 | Springfield | T-Mobile USA | 2010 |
| 417-702 | Springfield | CenturyLink | 1990 |
| 417-712 | Independence | T-Mobile USA | 1991 |
| 417-722 | Springfield | Bandwidth.com | 1996 |
| 417-732 | Springfield | Cable One | 1996 |
| 417-742 | Springfield | Verizon Wireless | 2017 |
| 417-752 | Springfield | Cable One | 2016 |
| 417-762 | Saint Louis | T-Mobile USA | 2007 |
| 417-772 | Lee's Summit | Sprint | 1978 |
| 417-782 | Springfield | Bandwidth.com | 1982 |
| 417-792 | Springfield | Spectrum | 2023 |
| 417-802 | Springfield | AT&T Mobility | 2019 |
| 417-812 | Springfield | Bandwidth.com | 2007 |
| 417-822 | Springfield | Frontier Communications | 1992 |
| 417-832 | Saint Joseph | Verizon Wireless | 1998 |
| 417-842 | Springfield | Verizon Wireless | 2020 |
| 417-852 | Springfield | Verizon Wireless | 1996 |
| 417-862 | Springfield | Sprint | 1986 |
| 417-872 | Springfield | Bandwidth.com | 2009 |
| 417-882 | Springfield | T-Mobile USA | 2022 |
| 417-892 | Springfield | Frontier Communications | 1983 |
| 417-902 | Springfield | AT&T Mobility | 2009 |
| 417-912 | O'Fallon | AT&T Mobility | 2015 |
| 417-922 | O'Fallon | CenturyLink | 2021 |
| 417-932 | Springfield | Verizon Wireless | 1995 |
| 417-942 | Springfield | Cox Communications | 1996 |
| 417-952 | Springfield | Frontier Communications | 1995 |
Need to look up a specific 417 number?
Use our free reverse phone lookup to identify the carrier and line type for any 10-digit 417 number.
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