605 area code
Where the 605 area code is, its overlay and how to dial a +1 605 number from anywhere.
The 605 area code is in Aberdeen, South Dakota, United States (CM). To call from abroad: +1 605 555-0123.
The 605 area code is a geographic North American Numbering Plan (NANP) code covering Aberdeen, South Dakota. It has been in service since 01-Jan-1947 and sits in the CM time zone.
How to dial a 605 number
+1 605 555-01231 605 555-0123605 555-0123Cities in the 605 area code
A 605 number is usually in one of these places in South Dakota — 5 counties.
Frequently asked questions
Where is the 605 area code?
The 605 area code is in Aberdeen, South Dakota, United States (CM).
Do I have to dial 10 digits for 605?
Yes — dial the area code plus the seven-digit number.
How do I call a 605 number from another country?
Dial your exit code (or +), then 1, then 605, then the number: +1 605 555-0123.
Source: NANPA numbering plan. An area code covers a region, not a precise address — a 605 number does not pinpoint a street or ZIP code.
Number holders in area code 605
Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 759 prefixes are in use in 605, shared by 98 companies. The largest holders:
| Company | Prefixes | Share |
|---|---|---|
| Qwest Corporation | 104 | 14% |
| Cellco Partnership Dba Verizon Wireless | 100 | 13% |
| New Cingular Wireless PCS, LLC | 81 | 11% |
| Midcontinent Communications. | 34 | 4% |
| Clarity Telecom, LLC Dba Bluepeak | 33 | 4% |
| Venture Communications Cooperative | 30 | 4% |
Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.
Complaints about 605 numbers
- Reports to the FTC, last 30 days
- 245
- Recorded messages or robocalls
- 73%
- Rank among area codes
- #313 of 670
- Most reported subjects
- Reducing your debt (credit cards, mortgage, student loans) (82)
- Other (72)
- Dropped call or no message (36)
Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.
Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).
All US area codes United States +1 Map of area code 605 — cities & rate centres