The 620 area code covers Hutchinson, Garden City and 230 more places in Kansas.
Area code 620 is in Kansas, on Central Time and Mountain Time. In the 620 area, phone numbers are given out most in Reno County, then Montgomery and Cowley counties. It has been in service since February 3, 2001.
- Where
- 8 counties in Kansas, mostly Reno County, Montgomery County and Cowley County
- Time zone
- Central Time and Mountain Time
- In service since
- February 3, 2001
- Shares its area with
- No other area code
- Prefixes in use
- 705
- How to dial
- Local calls need all 10 digits: 620-555-0142.
Find out who called you from a 620 number.
Enter the full 10-digit number to see who it is listed to and the city and state on the listing. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup. To see whether it is a mobile, a landline or a VoIP line, use our free VoIP checker. To see which carrier a (620) number is on today, use our free carrier lookup.
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Hutchinson holds 4% of the phone prefixes in area code 620.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 705 prefixes in use shows where 620 numbers are actually given out.
- Hutchinson28 prefixes, 4%
- Garden City18 prefixes, 3%
- Dodge City16 prefixes, 2%
- Emporia15 prefixes, 2%
- Pittsburg15 prefixes, 2%
- Coffeyville14 prefixes, 2%
- Great Bend14 prefixes, 2%
- Liberal13 prefixes, 2%
Also served: Independence, Winfield, Arkansas City and McPherson and 220 smaller places.
Southwestern Bell (AT&T) holds the most phone number prefixes in area code 620: 149 of 705.
NANPA, which runs the North American numbering plan, assigns each prefix (the three digits after the area code) to one carrier. Here is how the 705 prefixes in use in 620 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| Southwestern Bell (AT&T)AT&T's landline company | 149 | 21% |
| CenturyLinkLandline company | 60 | 9% |
| Level 3 (Lumen)Lumen's business and wholesale network | 41 | 6% |
| AT&T MobilityMobile network | 32 | 5% |
| Craw-Kan Telephone Cooperative | 26 | 4% |
| T-MobileMobile network | 23 | 3% |
| 61 other carriers | 374 | 53% |
76% of these prefixes are pooled, which means the blocks of 1,000 numbers inside them can belong to other carriers. Any number can also have been moved to another carrier since, so this shows who holds the prefixes, not who serves a given number.
Want the carrier of one exact number? Our free carrier lookup checks it, because numbers move between carriers.
Source: NANPA central office code assignments, October 1, 2026.
620 has covered the same ground since 2001.
2001
620 starts on February 3, 2001, split off from 316.
A 620 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
The area codes closest to 620 are 316, 785 and 580.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
These are the questions people ask most about area code 620.
Where is area code 620?
620 covers Hutchinson, Garden City, Dodge City and Emporia and 228 more places in Kansas. In the 620 area, phone numbers are given out most in Reno County, then Montgomery and Cowley counties.
What state is area code 620 in?
Kansas. 620 is a Kansas area code on Central Time and Mountain Time.
What cities use area code 620?
The places holding the most 620 prefixes are Hutchinson, Garden City, Dodge City, Emporia, Pittsburg, Coffeyville, Great Bend and Liberal, out of 232 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
Which phone company owns area code 620?
No single phone company owns 620. NANPA's records show Southwestern Bell (AT&T) holds the most 620 prefixes, 149 of 705, followed by CenturyLink and Level 3 (Lumen). Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 620 in?
620 is on Central Time and Mountain Time.
When did area code 620 start?
620 went into service on February 3, 2001, when it was split off from 316.
How do I dial a 620 number?
Local calls need all 10 digits: 620-555-0142.
Is 620 a toll-free number?
No. 620 is a regular area code for Hutchinson and Garden City in Kansas, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 620?
The closest are 316 (Wichita, Kansas), 785 (Topeka, Kansas), 580 (Lawton, Oklahoma) and 405/572 (Oklahoma City, Oklahoma), measured between the centres of each area.
Who called me from a 620 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 620 a scam?
620 is a real Kansas area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Put this lookup on your site: our free area code widget takes two lines of code and shows any US area code's state, time zone and local time.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.