309-378

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Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	309378
Basic Format	309-378
NPA (Area Code)	309
NXX	378

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date	Block Available Date
309-378-0XXX	846F	MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL	DOWNS	AS	01/21/2010	DOWNS	IL	MW	03/15/2010
309-378-1XXX	1015	FRONTIER NORTH, INC. - IL	DOWNS	RT		DOWNS	IL	MW
309-378-2XXX	1015	FRONTIER NORTH, INC. - IL	DOWNS	RT		DOWNS	IL	MW
309-378-3XXX	1015	FRONTIER NORTH, INC. - IL	DOWNS	RT		DOWNS	IL	MW
309-378-4XXX	1015	FRONTIER NORTH, INC. - IL	DOWNS	RT		DOWNS	IL	MW
309-378-5XXX	1015	FRONTIER NORTH, INC. - IL	DOWNS	AV		DOWNS	IL	MW		03/25/2025
309-378-6XXX	624H	ONVOY SPECTRUM, LLC	DOWNS	AS	05/03/2023	DOWNS	IL	MW	06/02/2023
309-378-7XXX	1015	FRONTIER NORTH, INC. - IL	DOWNS	AV		DOWNS	IL	MW		03/25/2023
309-378-8XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	DOWNS	AS	06/21/2004	DOWNS	IL	MW	07/16/2004
309-378-9XXX	495J	STRATUS NETWORKS	DOWNS	AS	09/15/2020	DOWNS	IL	MW	10/14/2020
309-378-XXXX	1015	FRONTIER NORTH, INC. - IL	DOWNS	AS		DOWNS	IL

Business/Government Phones on the 309-378 Prefix

Phone	Name	Address
309-378-2351	Tri-Valley Administrative Office	410 East Washington Street Downs 61736 US

Reports

Anonymous User from Pekin, Illinois

March 16, 2026 at 11:11 AM

309-378-3171 reported as a Robocall. Received on March 16, 2026 at 10:07 AM.
Call for Computer & technical support

Anonymous User from , IL

February 21, 2026 at 1:07 PM

309-378-9891 reported as a Robocall. Received on February 7, 2026 at 12:00 AM.

Anonymous User from Rock Island, Illinois

November 22, 2025 at 12:31 PM

309-378-4357 reported as a Robocall. Received on November 21, 2025 at 9:16 AM.
Call for Medical & prescriptions

Anonymous User from Galesburg, Illinois

June 24, 2025 at 4:11 PM

309-378-5192 reported as a Robocall. Received on June 24, 2025 at 3:08 PM.
Call for Home security & alarms

Anonymous User from , IL

May 21, 2025 at 3:06 PM

309-378-1865 reported as a Robocall. Received on May 21, 2025 at 2:05 PM.

Anonymous User from Peoria, Illinois

November 16, 2024 at 8:29 PM

309-378-2072 reported as a Robocall. Received on November 16, 2024 at 2:58 PM.

Anonymous User from Sparland, Illinois

October 28, 2024 at 3:02 PM

309-378-9766 reported as a unwanted call. Received on October 28, 2024 at 3:01 PM.

Anonymous User from Mackinaw, Illinois

July 2, 2024 at 12:57 PM

309-378-1085 reported as a Live Voice or Other. Received on July 2, 2024 at 11:51 AM.

Anonymous User from Brimfield, Illinois

September 9, 2022 at 12:13 PM

309-378-8454 reported as a Robocall. Received on September 9, 2022 at 11:02 AM.

Anonymous User from , IL

September 15, 2016 at 2:31 AM

reported as a Live Voice. Received on September 14, 2016 at 8:00 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 309-378-8066
Contacted via Wired

Most 'popular' numbers on this prefix:

309-378-1XXX: 309-378-1000 | 309-378-1001 | 309-378-1003 |
309-378-2XXX: 309-378-2000 | 309-378-2015 | 309-378-2019 | 309-378-2077 | 309-378-2078 | 309-378-2079 | 309-378-2300 | 309-378-2345 | 309-378-2352 | 309-378-2353 | 309-378-2354 | 309-378-2362 | 309-378-2500 | 309-378-2501 | 309-378-2507 | 309-378-2570 | 309-378-2575 | 309-378-2577 |
309-378-4XXX: 309-378-4600 | 309-378-4601 | 309-378-4650 | 309-378-4690 | 309-378-4699 |
309-378-8XXX: 309-378-8000 | 309-378-8009 | 309-378-8060 | 309-378-8062 | 309-378-8069 | 309-378-8080 | 309-378-8400 | 309-378-8450 |
309-378-9XXX: 309-378-9700 | 309-378-9760 | 309-378-9765 | 309-378-9777 |