517-721

You are reviewing the Area Code (NPA/NXX) report for 517-721. Did you mean to search the SMS short code 517721?

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Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	517721
Basic Format	517-721
NPA (Area Code)	517
NXX	721

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date	Block Available Date
517-721-0XXX	2964	OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC	LANSING	AS	09/13/2016	LANSING	MI	MW	10/10/2016
517-721-1XXX	516C	AT&T ENTERPRISES, LLC	LANSING	RT		LANSING	MI	MW
517-721-2XXX	9323	MICHIGAN BELL TEL CO	LANSING	RT		LANSING	MI	MW
517-721-3XXX	9323	MICHIGAN BELL TEL CO	LANSING	RT		LANSING	MI	MW
517-721-4XXX	9323	MICHIGAN BELL TEL CO	LANSING	RT		LANSING	MI	MW
517-721-5XXX	9323	MICHIGAN BELL TEL CO	LANSING	AV		LANSING	MI	MW		12/10/2022
517-721-6XXX	9323	MICHIGAN BELL TEL CO	LANSING	AV		LANSING	MI	MW		11/30/2022
517-721-7XXX	6120	LEVEL 3 COMMUNICATIONS, LLC - MI	LANSING	AS	05/18/2012	LANSING	MI	MW	06/10/2012
517-721-8XXX	9323	MICHIGAN BELL TEL CO	LANSING	RT		LANSING	MI	MW
517-721-9XXX	6534	NEW CINGULAR WIRELESS PCS, LLC - IL	LANSING	AS	03/29/2011	LANSING	MI	MW	05/06/2011
517-721-XXXX	9323	MICHIGAN BELL TEL CO	LANSING	AS	03/19/2002	LANSING	MI

Business/Government Phones on the 517-721 Prefix

Phone	Name	Address
517-721-1307	Cartridge World	1715 West Grand River Avenue Okemos 48864 US
517-721-1488	The Keyless Shop at Sears	350 Morgan Lane US
517-721-1500	Capital City BBQ	1026 West Saginaw Street US
517-721-1551	Westside Convenience Store	122 West Allegan Street US
517-721-1992	Ink & Needle - East	228 Abbot Road East Lansing 48823 US

Reports

Anonymous User from East Lansing, Michigan

April 16, 2026 at 12:20 PM

517-721-4296 reported as a Live Voice or Other. Received on April 16, 2026 at 11:10 AM.

Anonymous User from Howell, Michigan

March 2, 2026 at 4:57 PM

517-721-7361 reported as a Robocall. Received on March 2, 2026 at 9:36 AM.

Anonymous User from East Lansing, Michigan

December 11, 2025 at 12:02 PM

517-721-7807 reported as a Robocall. Received on December 11, 2025 at 11:59 AM.
Call for Medical & prescriptions

Anonymous User from , TN

September 23, 2025 at 6:59 PM

517-721-7867 reported as a Live Voice or Other. Received on September 23, 2025 at 12:12 PM.

Anonymous User from , KY

August 20, 2025 at 4:56 PM

517-721-7101 reported as a Live Voice or Other. Received on August 15, 2025 at 12:52 PM.

Anonymous User from , KY

August 20, 2025 at 4:56 PM

517-721-7101 reported as a Live Voice or Other. Received on August 15, 2025 at 12:47 PM.

Anonymous User from Fort Smith, Arkansas

July 18, 2025 at 1:11 PM

517-721-1367 reported as a Live Voice or Other. Received on July 18, 2025 at 11:14 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from East Lansing, Michigan

July 7, 2025 at 6:28 PM

517-721-1488 reported as a Robocall. Received on July 7, 2025 at 4:10 PM.

Anonymous User from Spring Lake, Michigan

June 18, 2025 at 12:26 PM

517-721-1218 reported as a Robocall. Received on June 18, 2025 at 11:54 AM.
Call for Medical & prescriptions

Anonymous User from Haslett, Michigan

March 19, 2025 at 11:25 AM

517-721-7621 reported as a Robocall. Received on March 19, 2025 at 11:22 AM.
Call for Medical & prescriptions

Anonymous User from Burlinton, Michigan

March 1, 2024 at 10:58 AM

517-721-2659 reported as a Robocall. Received on February 23, 2024 at 9:09 AM.

Anonymous User from Saint Clair, Michigan

January 30, 2024 at 12:42 PM

517-721-7030 reported as a Robocall. Received on January 30, 2024 at 12:36 PM.
Call for Medical & prescriptions

Anonymous User from Doral, Florida

September 26, 2023 at 1:31 PM

517-721-0203 reported as a Live Voice or Other. Received on September 26, 2023 at 1:29 PM.

Anonymous User from , VA

July 15, 2023 at 2:10 PM

517-721-3874 reported as a Robocall. Received on July 15, 2023 at 2:04 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Morenci, Michigan

June 10, 2023 at 3:10 PM

517-721-3406 reported as a Live Voice or Other. Received on June 10, 2023 at 2:44 PM.
Call for Medical & prescriptions

Anonymous User from , MI

November 1, 2022 at 5:52 PM

517-721-7220 reported as a Live Voice or Other. Received on November 1, 2022 at 1:00 PM.
Call for No Subject Provided

Anonymous User from Jackson, Michigan

August 19, 2022 at 7:50 PM

517-721-6792 reported as a Robocall. Received on August 19, 2022 at 11:23 AM.

Most 'popular' numbers on this prefix:

517-721-0XXX: 517-721-0200 | 517-721-0202 | 517-721-0208 | 517-721-0237 | 517-721-0247 | 517-721-0900 | 517-721-0902 | 517-721-0907 | 517-721-0970 | 517-721-0975 |
517-721-1XXX: 517-721-1300 | 517-721-1302 | 517-721-1303 | 517-721-1331 | 517-721-1333 | 517-721-1400 | 517-721-1403 | 517-721-1409 | 517-721-1480 | 517-721-1483 | 517-721-1488 | 517-721-1700 | 517-721-1740 | 517-721-1750 | 517-721-1770 | 517-721-1771 | 517-721-1777 |
517-721-2XXX: 517-721-2600 | 517-721-2650 | 517-721-2655 | 517-721-2666 |
517-721-3XXX: 517-721-3400 | 517-721-3404 | 517-721-3408 | 517-721-3420 | 517-721-3450 | 517-721-3800 | 517-721-3820 | 517-721-3850 | 517-721-3870 | 517-721-3875 | 517-721-3877 |
517-721-7XXX: 517-721-7600 | 517-721-7620 | 517-721-7621 | 517-721-7625 | 517-721-7666 |