Area code
Area code 517 — Lansing, MI
Michigan · in service since 1947
Area code 517 covers parts of Michigan; the place with the most of its prefixes is Lansing. No other area code overlays it.
Local time in Lansing
Spam reports from Sep 23 – Oct 22, 2026
Average #197 of 461 codes
465 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneEastern Time
- Local calls7 digits
- Prefixes639 assigned
- Runs out~3Q 2056
- Unwanted call?Block & report
Spam call reports about 517 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 26 |
| Sep 14 | 80 |
| Sep 21 | 73 |
| Sep 28 | 69 |
| Oct 5 | 104 |
| Oct 12 | 81 |
| Oct 19 (4 days) | 157 |
Compared with all codes
- Robocalls
- 70%all codes 75%
- Callers with the same code
- 51%all codes 35%
- Rank by complaints
- #197of 461 · middle half
- FCC complaints, Oct 2025 – Sep 2026
- 10423 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Calls pretending to be government, businesses, or family and friends | 80 14% | |
| Reducing your debt (credit cards, mortgage, student loans) | 64 11% | |
| Medical & prescriptions | 57 10% | |
| Dropped call or no message | 53 9% | |
| Warranties & protection plans | 11 2% | |
| Energy, solar, & utilities | 9 2% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Michigan | 399 68% | |
| Virginia | 42 7% | |
| Illinois | 15 3% | |
| Florida | 12 2% | |
| California | 11 2% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 517 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| LANSING | Lansing | spans 3 counties | 164 |
| JACKSON | Jackson | Jackson County | 63 |
| ADRIAN | Adrian | Lenawee County | 27 |
| HOWELL | Howell | Livingston County | 27 |
| CHARLOTTE | Charlotte | Eaton County | 15 |
| HILLSDALE | Hillsdale | Hillsdale County | 15 |
| COLDWATER | Coldwater | Branch County | 14 |
| HOLT | Holt | Ingham County | 13 |
| DIMONDALE | Dimondale | Eaton County | 12 |
| ALBION | Albion | Calhoun County | 11 |
Plus 68 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- Michigan
- Assigned by NANPA
- 1947
- Local dialing
- 7 digits (NANPA: 7D)
- NANPA planning letters
- PL-251, PL-244, PL-226, PL-212
Source: NANPA, NPA database of Oct 24, 2026.
Is 517 running out of numbers?
Previous forecast (October 2025): 2055, moved later by 1 year.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 517 prefixes
The five largest of 61 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Michigan Bell Tel Co. | 106 17% | |
| Verizon Wireless | 61 10% | |
| Acd Telecom, Inc. | 56 9% | |
| Omnipoint Communications Midwest Operations, LLC | 47 7% | |
| New Cingular Wireless PCS, LLC | 40 6% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 517
What area code is 517?
A Michigan area code, in service since 1947.
Where is 517 area code, and what time zone is it in?
Lansing, MI; Eastern Time.
Why am I getting spam calls from 517?
465 FTC complaints from Sep 23 – Oct 22, 2026, most often about impostors (not verified by the FTC; caller ID can be spoofed).
Will 517 get a new area code?
NANPA forecasts exhaust in 3Q 2056; no relief planning listed.