Paste raw digits, a formatted phone number, an area code, an NPA-NXX block, or a short code. US and Canada phone lookups route automatically, and international iMessage checks are available separately.
| Label | Value |
|---|---|
| Input Number | 231-201-5100 |
| Phone Number | +12312015100 |
| National Format | (231) 201-5100 |
| Country Code | US |
| Caller Name | No public business listing found. Additional phone intelligence quota is exhausted for this month. |
| Caller Type | |
| Carrier Name | ONVOY, LLCV - MI |
| Phone Type | |
| Apple iMessage Status | Not Checked |
| Raw Number | 2312015100 |
| Basic Format | 231-201-5100 |
| NPA (Area Code) | 231 |
| NXX | 201 |
| Telco Carrier | ONVOY, LLCV - MI |
| Rate Center | CHIPPEWALK |
| SMS/MMS Email Gateways | 2312015100@cingular.com (Postpaid) 2312015100@cingularme.com ((GSM)) 2312015100@mobile.mycingular.com 2312015100@mobile.mycingular.net SMS/MMS gateways may be invalid (i.e. the number has been ported or purchased by another carrier) |
| OCN (Carrier Number) | 543C |
| Call Type | Unknown Type |
| Number Assignment | Assigned |
| Search |
|
| state | MI |
| ocn | 6534 |
| company | NEW CINGULAR WIRELESS PCS, LLC - IL |
| rate_center | CHIPPEWALK |
| Location | |
| use_type | AS |
| assign_date | 03/05/2004 |
| initial_growth | I |
| pooled_code | Y |
| in_service | Yes |
| region | MW |
| state | MI |
| status | AS |
| rate_center | CHIPPEWALK |
| Location | |
| block_effective_date | 05/09/2020 |
| assigned_to | ONVOY, LLCV - MI |
| ocn | 543C |
| date_assigned | 04/09/2020 |
| Bold | ๐๐๐-๐๐๐-๐๐๐๐ [click to copy] |
| Full-Width | ๏ผ๏ผ๏ผ-๏ผ๏ผ๏ผ-๏ผ๏ผ๏ผ๏ผ [click to copy] |
| Superscript | ยฒยณยน-ยฒโฐยน-โตยนโฐโฐ [click to copy] |
| Subscript | โโโ-โโโ-โ โโโ [click to copy] |
| Enclosed Alphanumerics | โกโขโ -โกโชโ -โคโ โชโช [click to copy] |
| Mathematical Bold | ๐ฎ๐ฏ๐ญ-๐ฎ๐ฌ๐ญ-๐ฑ๐ญ๐ฌ๐ฌ [click to copy] |
| Mathematical Italic | ๐ค๐ฅ๐ฃ-๐ค๐ข๐ฃ-๐ง๐ฃ๐ข๐ข [click to copy] |
| Mathematical Sans-Serif | ๐ธ๐น๐ท-๐ธ๐ถ๐ท-๐ป๐ท๐ถ๐ถ [click to copy] |
| Emoji | 2๏ธโฃ3๏ธโฃ1๏ธโฃ-2๏ธโฃ0๏ธโฃ1๏ธโฃ-5๏ธโฃ1๏ธโฃ0๏ธโฃ0๏ธโฃ [click to copy] |
| Spelled Out | two three one - two zero one - five one zero zero [click to copy] |
Using these number formats when publishing your phone number online can help reduce spam calls/texts by making it harder for scammers to copy your number
Reports
Anonymous User from Kalkaska, Michigan
February 18, 2026 at 9:50 AM