319-231

You are reviewing the Area Code (NPA/NXX) report for 319-231. Did you mean to search the SMS short code 319231?

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🇨🇦 DSN CSN Area Code Detected

The area code you entered, 319, overlaps with the DSN for the Canadian Switched Network (CSN), reflecting defense ties between the U.S. and Canada, but can also be part of civilian phone systems.

Raw Number	319231
Basic Format	319-231
NPA (Area Code)	319
NXX	231

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	City	State	Region
319-231-0XXX	6266	UNITED STATES CELLULAR - IA	WATERLOO	RT	WATERLOO	IA	WE
319-231-1XXX	6266	UNITED STATES CELLULAR - IA	WATERLOO	RT	WATERLOO	IA	WE
319-231-2XXX	6266	UNITED STATES CELLULAR - IA	WATERLOO	RT	WATERLOO	IA	WE
319-231-3XXX	6266	UNITED STATES CELLULAR - IA	WATERLOO	RT	WATERLOO	IA	WE
319-231-4XXX	6266	UNITED STATES CELLULAR - IA	WATERLOO	RT	WATERLOO	IA	WE
319-231-5XXX	6266	UNITED STATES CELLULAR - IA	WATERLOO	RT	WATERLOO	IA	WE
319-231-6XXX	6266	UNITED STATES CELLULAR - IA	WATERLOO	RT	WATERLOO	IA	WE
319-231-7XXX	6266	UNITED STATES CELLULAR - IA	WATERLOO	RT	WATERLOO	IA	WE
319-231-8XXX	6266	UNITED STATES CELLULAR - IA	WATERLOO	RT	WATERLOO	IA	WE
319-231-9XXX	6266	UNITED STATES CELLULAR - IA	WATERLOO	RT	WATERLOO	IA	WE
319-231-XXXX	6266	UNITED STATES CELLULAR - IA	WATERLOO	AS	WATERLOO	IA

Business/Government Phones on the 319-231 Prefix

Phone	Name	Address
319-231-0857	National Energy Consultants LLC
319-231-4321	Midwest Foam and Insulation, Inc
319-231-5197	Tojo Construction, Inc.
319-231-9098	BDS Equipment LLC
319-231-9193	Dinsdale Construction

Reports

Anonymous User from Des Moines, Iowa

November 17, 2025 at 6:18 PM

319-231-3942 reported as a Live Voice or Other. Received on October 5, 2025 at 6:04 PM.

Anonymous User from Janesville, Alabama

June 11, 2024 at 3:14 PM

319-231-3108 reported as a Robocall. Received on June 11, 2024 at 11:07 AM.
Call for No Subject Provided

Anonymous User from Mediapolis, Iowa

February 13, 2024 at 4:21 PM

319-231-6625 reported as a Robocall. Received on February 13, 2024 at 3:16 PM.
Call for Medical & prescriptions

Anonymous User from , IA

March 16, 2023 at 8:25 PM

319-231-1830 reported as a Robocall. Received on March 16, 2023 at 10:21 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , MN

December 5, 2022 at 5:53 PM

319-231-8642 reported as a Live Voice or Other. Received on December 5, 2022 at 10:19 AM.
Call for No Subject Provided

Anonymous User from , MN

December 2, 2022 at 2:20 PM

319-231-8642 reported as a Live Voice or Other. Received on December 2, 2022 at 1:06 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , MN

December 2, 2022 at 10:36 AM

319-231-8642 reported as a unwanted call. Received on December 2, 2022 at 8:12 AM.

Anonymous User from Los Angeles, California

December 1, 2022 at 5:08 PM

319-231-8642 reported as a Robocall. Received on December 1, 2022 at 12:01 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Iowa City, IA

April 2, 2021 at 8:37 PM

None reported as a Prerecorded Voice. Received on April 2, 2021 at 10:09 AM.
Unwanted call for unknown
Caller ID indicated they called from 319-231-9837
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

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319-231-4XXX: 319-231-4321 | 319-231-4322 | 319-231-4329 | 319-231-4343 | 319-231-4349 | 319-231-4500 | 319-231-4508 | 319-231-4509 | 319-231-4545 |
319-231-5XXX: 319-231-5141 | 319-231-5143 | 319-231-5191 | 319-231-5192 | 319-231-5193 |
319-231-6XXX: 319-231-6247 | 319-231-6248 | 319-231-6250 | 319-231-6255 | 319-231-6258 | 319-231-6600 | 319-231-6620 | 319-231-6622 | 319-231-6623 | 319-231-6652 | 319-231-6656 | 319-231-6900 | 319-231-6901 | 319-231-6995 | 319-231-6996 | 319-231-6998 |
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319-231-8XXX: 319-231-8640 | 319-231-8645 | 319-231-8649 | 319-231-8693 | 319-231-8696 | 319-231-8697 | 319-231-8800 | 319-231-8870 | 319-231-8877 | 319-231-8878 | 319-231-8887 | 319-231-8888 |
319-231-9XXX: 319-231-9000 | 319-231-9002 | 319-231-9008 | 319-231-9090 | 319-231-9091 | 319-231-9099 | 319-231-9191 | 319-231-9193 | 319-231-9198 | 319-231-9199 | 319-231-9500 | 319-231-9501 | 319-231-9506 | 319-231-9550 | 319-231-9834 | 319-231-9836 | 319-231-9838 | 319-231-9889 |