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.
The area code you entered, 312, overlaps with the DSN network for the Continental United States and Puerto Rico under Northern Command (NORTHCOM), though it could also be part of standard civilian phone numbers.
| Label | Value |
|---|---|
| Input Number | 312-379-3748 |
| Phone Number | +13123793748 |
| National Format | (312) 379-3748 |
| Country Code | US |
| Caller Name | No public business listing found. Additional phone intelligence quota is exhausted for this month. |
| Caller Type | |
| Carrier Name | FIRST COMMUNICATIONS, LLC |
| Phone Type | |
| Apple iMessage Status | Not Checked |
| Raw Number | 3123793748 |
| Basic Format | 312-379-3748 |
| NPA (Area Code) | 312 |
| NXX | 379 |
| Telco Carrier | FIRST COMMUNICATIONS, LLC |
| Rate Center | CHICGOZN01 |
| OCN (Carrier Number) | 460K |
| Call Type | Unknown Type |
| Number Assignment | Assigned |
| Search |
|
| state | IL |
| ocn | 829J |
| company | PAETEC ITEL, LLC |
| rate_center | CHICGOZN01 |
| Location | |
| use_type | AS |
| assign_date | 04/10/2001 |
| pooled_code | Y |
| in_service | Yes |
| region | MW |
| state | IL |
| status | AS |
| rate_center | CHICGOZN01 |
| Location | |
| block_effective_date | 02/24/2005 |
| assigned_to | FIRST COMMUNICATIONS, LLC |
| ocn | 460K |
| date_assigned | 01/26/2005 |
| region | MW |
| state | IL |
| status | AS |
| rate_center | CHICGOZN01 |
| Location | |
| block_effective_date | 02/24/2005 |
| assigned_to | FIRST COMMUNICATIONS, LLC |
| ocn | 460K |
| date_assigned | 01/26/2005 |
| Bold | ๐๐๐-๐๐๐-๐๐๐๐ [click to copy] |
| Full-Width | ๏ผ๏ผ๏ผ-๏ผ๏ผ๏ผ-๏ผ๏ผ๏ผ๏ผ [click to copy] |
| Superscript | ยณยนยฒ-ยณโทโน-ยณโทโดโธ [click to copy] |
| Subscript | โโโ-โโโ-โโโโ [click to copy] |
| Enclosed Alphanumerics | โขโ โก-โขโฆโจ-โขโฆโฃโง [click to copy] |
| Mathematical Bold | ๐ฏ๐ญ๐ฎ-๐ฏ๐ณ๐ต-๐ฏ๐ณ๐ฐ๐ด [click to copy] |
| Mathematical Italic | ๐ฅ๐ฃ๐ค-๐ฅ๐ฉ๐ซ-๐ฅ๐ฉ๐ฆ๐ช [click to copy] |
| Mathematical Sans-Serif | ๐น๐ท๐ธ-๐น๐ฝ๐ฟ-๐น๐ฝ๐บ๐พ [click to copy] |
| Emoji | 3๏ธโฃ1๏ธโฃ2๏ธโฃ-3๏ธโฃ7๏ธโฃ9๏ธโฃ-3๏ธโฃ7๏ธโฃ4๏ธโฃ8๏ธโฃ [click to copy] |
| Spelled Out | three one two - three seven nine - three seven four eight [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 Worth, Illinois
February 24, 2026 at 12:46 PM