608-721

You are reviewing the Area Code (NPA/NXX) report for 608-721. Did you mean to search the SMS short code 608721?

North American Phone Intelligence

Search a phone number, area code, exchange, or short code

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.

Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	608721
Basic Format	608-721
NPA (Area Code)	608
NXX	721

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
608-721-0XXX	225C	ONVOY, LLC - WI	MADISON	AS	09/16/2008	MADISON	WI	MW	10/30/2008
608-721-1XXX	225C	ONVOY, LLC - WI	MADISON	AS	09/16/2008	MADISON	WI	MW	10/30/2008
608-721-2XXX	145J	TERRA NOVA TELECOM INC.	MADISON	AS	12/03/2024	MADISON	WI	MW	12/29/2024
608-721-3XXX	6508	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI	MADISON	AS	01/14/2025	MADISON	WI	MW	01/24/2025
608-721-4XXX	6508	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI	MADISON	AS	01/14/2025	MADISON	WI	MW	01/24/2025
608-721-5XXX	007F	BANDWIDTH.COM CLEC, LLC - WI	MADISON	AS	02/23/2011	MADISON	WI	MW	03/21/2011
608-721-6XXX	007F	BANDWIDTH.COM CLEC, LLC - WI	MADISON	AS	10/25/2010	MADISON	WI	MW	11/20/2010
608-721-7XXX	007F	BANDWIDTH.COM CLEC, LLC - WI	MADISON	AS	02/23/2011	MADISON	WI	MW	03/21/2011
608-721-8XXX	6534	NEW CINGULAR WIRELESS PCS, LLC - IL	MADISON	AS	11/18/2024	MADISON	WI	MW	12/05/2024
608-721-9XXX	6534	NEW CINGULAR WIRELESS PCS, LLC - IL	MADISON	AS	07/31/2025	MADISON	WI	MW	09/22/2025
608-721-XXXX	225C	ONVOY, LLC - WI	MADISON	AS	09/15/2008	MADISON	WI

Business/Government Phones on the 608-721 Prefix

Phone	Name	Address
608-721-5994	Wisconsin House Buyers, LLC
608-721-6238	JM Creative Group, LLC
608-721-6254	Elevate Medical Solutions, LLC
608-721-8665	Tosa Tool LLC
608-721-5555	Gateway Open Bible Church	2405 West Spring Creek Road Beloit 53511 US

Reports

Anonymous User from Bayfield, Colorado

April 13, 2026 at 10:10 PM

608-721-5626 reported as a Robocall. Received on April 13, 2026 at 9:20 AM.

Anonymous User from Bayfield, Colorado

April 13, 2026 at 9:54 PM

608-721-5626 reported as a Robocall. Received on April 13, 2026 at 9:20 AM.

Anonymous User from , AL

February 10, 2026 at 12:10 PM

608-721-9988 reported as a Live Voice or Other. Received on February 10, 2026 at 12:00 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Janesville, Wisconsin

January 27, 2026 at 6:21 PM

608-721-6425 reported as a Robocall. Received on January 26, 2026 at 10:00 AM.

Anonymous User from Janesville, Wisconsin

January 27, 2026 at 6:21 PM

608-721-6425 reported as a Robocall. Received on January 26, 2026 at 10:00 AM.

Anonymous User from Janesville, Wisconsin

January 27, 2026 at 6:18 PM

608-721-6425 reported as a Robocall. Received on January 26, 2026 at 10:00 AM.

Anonymous User from Tomah, Wisconsin

January 27, 2026 at 3:55 PM

608-721-6331 reported as a Live Voice or Other. Received on January 27, 2026 at 2:54 PM.

Anonymous User from Wisconsin Rapids, Wisconsin

January 13, 2026 at 11:29 AM

608-721-6025 reported as a Robocall. Received on January 13, 2026 at 9:38 AM.

Anonymous User from , WI

August 12, 2025 at 2:57 PM

608-721-5498 reported as a Robocall. Received on August 12, 2025 at 12:38 PM.
Call for Dropped call or no message

Anonymous User from Middleton, Wisconsin

April 16, 2025 at 8:28 AM

608-721-0736 reported as a Robocall. Received on April 14, 2025 at 12:42 PM.

Anonymous User from Middleton, Wisconsin

April 4, 2025 at 6:05 PM

608-721-7487 reported as a Live Voice or Other. Received on April 4, 2025 at 1:46 PM.

Anonymous User from Wisconsin Dells, Wisconsin

February 12, 2025 at 3:46 PM

608-721-0294 reported as a Live Voice or Other. Received on February 12, 2025 at 2:45 PM.

Anonymous User from La Crosse, Wisconsin

August 15, 2024 at 5:19 PM

608-721-9626 reported as a Live Voice or Other. Received on August 15, 2024 at 4:18 PM.
Call for Medical & prescriptions

Anonymous User from Reedsburg, Wisconsin

April 24, 2024 at 9:49 AM

608-721-3029 reported as a Robocall. Received on April 24, 2024 at 8:46 AM.

Anonymous User from Wadsworth, OH

April 6, 2024 at 1:47 PM

None reported as a Text Message. Received on April 6, 2024 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 608-721-6236
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Anchorage, AK

April 5, 2024 at 7:44 PM

608-721-6292 reported as a Text Message. Received on April 5, 2024 at 11:41 AM.
Unwanted call for Political Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Salt Lake City, UT

April 4, 2024 at 6:07 PM

608-721-6235 reported as a Text Message. Received on April 4, 2024 at 11:00 AM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Madison, Wisconsin

March 13, 2024 at 4:12 PM

608-721-0378 reported as a Robocall. Received on March 13, 2024 at 1:26 PM.
Call for Dropped call or no message

Anonymous User from Seattle, Washington

February 29, 2024 at 12:22 PM

608-721-6628 reported as a Live Voice or Other. Received on February 29, 2024 at 9:21 AM.

Anonymous User from , WI

February 12, 2024 at 3:02 PM

608-721-2685 reported as a Robocall. Received on February 12, 2024 at 11:45 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , WI

February 5, 2024 at 12:08 PM

608-721-0235 reported as a Robocall. Received on February 4, 2024 at 10:20 PM.
Call for No Subject Provided

Anonymous User from La Crosse, Wisconsin

December 1, 2023 at 11:33 AM

608-721-8027 reported as a Robocall. Received on December 1, 2023 at 10:31 AM.

Anonymous User from Wisconsin Dells, Wisconsin

October 27, 2023 at 1:04 PM

608-721-1158 reported as a Robocall. Received on October 27, 2023 at 12:00 PM.
Call for Medical & prescriptions

Anonymous User from Mount Horeb, Wisconsin

December 20, 2022 at 1:37 PM

608-721-6049 reported as a Robocall. Received on December 20, 2022 at 12:28 PM.
Call for Computer & technical support

Anonymous User from , WI

June 15, 2022 at 2:35 PM

608-721-3619 reported as a Robocall. Received on June 15, 2022 at 12:34 PM.
Call for No Subject Provided

Anonymous User from Madison, Wisconsin

June 13, 2022 at 12:39 PM

608-721-0967 reported as a Robocall. Received on June 13, 2022 at 10:55 AM.
Call for Dropped call or no message

Anonymous User from Onalaska, Wisconsin

June 10, 2022 at 7:48 PM

608-721-2194 reported as a Robocall. Received on June 10, 2022 at 9:30 AM.

Most 'popular' numbers on this prefix:

608-721-0XXX: 608-721-0200 | 608-721-0237 | 608-721-0248 | 608-721-0291 | 608-721-0292 | 608-721-0297 | 608-721-0300 | 608-721-0350 | 608-721-0370 | 608-721-0700 | 608-721-0730 | 608-721-0733 | 608-721-0777 | 608-721-0900 | 608-721-0907 | 608-721-0909 | 608-721-0960 | 608-721-0962 | 608-721-0965 |
608-721-1XXX: 608-721-1930 | 608-721-1933 | 608-721-1937 | 608-721-1991 | 608-721-1997 | 608-721-1998 |
608-721-2XXX: 608-721-2600 | 608-721-2607 | 608-721-2666 | 608-721-2680 | 608-721-2683 | 608-721-2688 |
608-721-3XXX: 608-721-3000 | 608-721-3020 | 608-721-3022 | 608-721-3024 | 608-721-3030 | 608-721-3062 |
608-721-5XXX: 608-721-5900 | 608-721-5901 |
608-721-6XXX: 608-721-6000 | 608-721-6015 | 608-721-6020 | 608-721-6040 | 608-721-6045 | 608-721-6047 | 608-721-6221 | 608-721-6229 | 608-721-6231 | 608-721-6232 | 608-721-6233 | 608-721-6258 | 608-721-6600 | 608-721-6620 | 608-721-6621 | 608-721-6622 | 608-721-6660 |
608-721-7XXX: 608-721-7400 | 608-721-7401 | 608-721-7480 |
608-721-8XXX: 608-721-8000 | 608-721-8020 | 608-721-8022 | 608-721-8024 | 608-721-8080 |
608-721-9XXX: 608-721-9600 | 608-721-9620 | 608-721-9622 | 608-721-9625 | 608-721-9650 | 608-721-9660 |