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Numbers with prefix 605 in United States

Landline South Dakota

In United States's numbering plan, the area code 605 covers South Dakota. It identifies where a line was allocated, not who is calling: numbers are portable and caller ID can be spoofed, so the digits alone do not identify the caller.

Search a number with prefix 605

Search a phone number or a company name (Bank of America, Verizon and AT&T...) to check if it has been reported as spam.

Numbers reported with prefix 605

86 numbers
+1 605 202 617 3
+1 605 202 677 5
+1 605 202 678 1
+1 605 202 681 3
+1 605 202 682 4
+1 605 202 761 8
+1 605 203 000 0
+1 605 204 849 9
+1 605 205 144 2
+1 605 205 347 0
+1 605 223 013 5
+1 605 252 359 4
+1 605 264 680 6
+1 605 270 507 1
+1 605 270 516 2
+1 605 291 360 1
+1 605 295 649 7
+1 605 305 385 0
+1 605 307 976 5
+1 605 308 030 6
+1 605 308 098 1
+1 605 309 546 8
+1 605 309 751 3
+1 605 315 410 2
+1 605 315 756 1
+1 605 315 756 7
+1 605 315 876 8
+1 605 318 707 7
+1 605 336 263 7
+1 605 349 657 6
+1 605 412 881 5
+1 605 441 388 2
+1 605 468 158 5
+1 605 468 282 5
+1 605 477 968 8
+1 605 480 615 1
+1 605 480 625 1
+1 605 503 470 0
+1 605 513 234 2
+1 605 513 449 2
+1 605 525 480 4
+1 605 545 498 5
+1 605 546 674 1
+1 605 550 356 0
+1 605 566 372 1
+1 605 574 640 5
+1 605 574 643 6
+1 605 605 523 8
+1 605 610 259 8
+1 605 640 124 6

About numbers 605

Numbers starting with 605 are landlines in United States. They are assigned geographically. Sales calls from landlines are common, especially from telecom and energy companies.

Official source and review

Google libphonenumber (compiled from national numbering plans) · Document: 2026-08-28 · Reviewed: 2026-08-31

A prefix describes an official allocation. Portability and caller-ID spoofing mean it cannot identify the caller on its own.

Useful guides

How to block spam callsSet up blocks and filters on your phone.How to see who is callingCheck warning signs before you call back.What to do about a suspicious callSimple steps to protect your data.Spam numbers directorySee numbers reported by other users.