Direct answer
Area code 616 serves west Michigan, centred on Grand Rapids in Michigan. It is in the Eastern Time, and ten-digit dialing is required there.
Facts
| Area code | 616 |
| State | Michigan (MI) |
| Region | west Michigan, centred on Grand Rapids |
| Time zone | Eastern Time |
| Overlays | None — 616 stands alone |
| In service since | 1947 (NANPA tool date: 1 January 1947) |
| Dialing rule | Yes — ten-digit dialing is required since October 2021 (nationwide 988 transition), NOT because of an overlay; 616 has no overlay. |

Areas covered
The 616 footprint covers Grand Rapids, Wyoming, Kentwood, Holland, Grandville, Zeeland, Greenville, Ionia, and Grand Haven. That list describes the area the code serves today, not the larger territory it may have covered when it was first assigned. Michigan is split between Eastern and Central time, but the 616 footprint is Eastern only. Callers in this area should always dial the full ten-digit number, including the area code, even for a local call.
History
Area code 616 is an original 1947 code and one of Michigan’s three original codes, alongside 313 for Detroit and 517 for Lansing. At launch it covered the western half of the Lower Peninsula plus the entire Upper Peninsula. The Upper Peninsula split off as 906 in 1961, the north-western Lower Peninsula around Traverse City split off as 231 in 1999, and the southern portion split off as 269 in 2002, leaving the compact Grand Rapids footprint. Because 616 has no overlay, its ten-digit dialing rule does not come from an overlay: it comes from the nationwide 988 transition in October 2021, which required ten-digit dialing in codes that had a working 988 prefix. A claim that the footprint includes Muskegon is not used here, because Muskegon is in 231 territory now, and a listing of 616 as both Eastern and Central is not used either, because the 616 footprint is Eastern only.
Dialing
Dialing rule: Yes — ten-digit dialing is required since October 2021 (nationwide 988 transition), NOT because of an overlay; 616 has no overlay. The reason is the overlay structure in the facts table above, except where this page states a different reason, as it does for 616. From outside the United States, the country code for the United States is 1, followed by the area code and the local number. This page explains the area code only; it does not identify who owns a number or where a phone is.
Calls and spoofing
A call that shows a familiar area code is not proof of who is calling. Caller ID can be spoofed, so a number that looks local may come from anywhere. Do not share personal or financial details because of the number on the screen, and hang up and call back on a number you trust if a caller asks for money, codes, or account access. This site does not identify callers or phone owners, and it does not list reported spam numbers.
Related codes
None as an overlay. Neighbouring split codes: 906, 231, 269 (not Batch 1 pages).
Frequently asked questions
Where is 616 area code?
Area code 616 is in Michigan, covering west Michigan, centred on Grand Rapids. It does not cover the whole state.
What time zone is 616 area code?
Area code 616 is in the Eastern Time. Michigan is split between Eastern and Central time, but the 616 footprint is Eastern only.
Does 616 area code have an overlay?
No. Area code 616 has no overlay assigned. Ten-digit dialing is still required, but for the 988-transition reason given on this page, not because of an overlay.
Do I need to dial 10 digits for 616?
Yes — ten-digit dialing is required since October 2021 (nationwide 988 transition), NOT because of an overlay; 616 has no overlay.
When did 616 area code go into service?
Area code 616 has been in service since 1947 (NANPA tool date: 1 January 1947).
Sources
NANPA area code search; 616 area code; 616 area code
Based on a recent search of NANPA and official sources.
This website provides general information about North American area codes, compiled from public sources including NANPA. It is not affiliated with or endorsed by the FCC, NANPA or any telephone carrier. Area code details can change; confirm with your carrier or the official NANPA website. This site does not identify callers or phone owners.
