phone.gd North American phone lookup, short codes, caller signals, and complaint-driven research.

231-720

You are reviewing the Area Code (NPA/NXX) report for 231-720. Did you mean to search the SMS short code 231720?

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.

Examples: 206-739-5800, 206, 206-739, 48369
Raw Number231720
Basic Format231-720
NPA (Area Code)231
NXX720

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateStateRegionBlock Effective Date
231-720-0XXX6120LEVEL 3 COMMUNICATIONS, LLC - MIMUSKEGONAS01/31/2008MIMW02/12/2008
231-720-1XXX0695FRONTIER NORTH, INC. - MIMUSKEGONRTMIMW
231-720-2XXX4632TELNET WORLDWIDE, INC.MUSKEGONRTMIMW
231-720-3XXX0695FRONTIER NORTH, INC. - MIMUSKEGONRTMIMW
231-720-4XXX2964OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLCMUSKEGONAS01/19/2011MIMW01/31/2011
231-720-5XXX6003CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MIMUSKEGONAS12/20/2010MIMW01/13/2011
231-720-6XXX2964OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLCMUSKEGONAS04/21/2010MIMW05/03/2010
231-720-7XXX0695FRONTIER NORTH, INC. - MIMUSKEGONRTMIMW
231-720-8XXX2964OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLCMUSKEGONAS04/21/2010MIMW05/03/2010
231-720-9XXX2964OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLCMUSKEGONAS01/19/2011MIMW01/31/2011
231-720-XXXX0695FRONTIER NORTH, INC. - MIMUSKEGONASMI

Business/Government Phones on the 231-720 Prefix

PhoneNameAddress
231-720-5343Educated Energy, LLC
231-720-2200Nelson Elementary School550 West Grand Avenue Muskegon 49441 US
231-720-2300Bunker Elementary School2312 Denmark Street Muskegon 49441 US
231-720-2450Oakview Elementary School1420 Madison Street Muskegon 49442 US
231-720-2560Glenside Elementary School1213 West Hackley Avenue Muskegon 49441 US
231-720-2570Muskegon Art Museum296 West Webster Avenue Muskegon 49440 US
231-720-2600Marquette Elementary School480 Bennett Street Muskegon 49442 US
231-720-2700Moon Elementary School1826 Hoyt Street Muskegon 49442 US
231-720-2800Muskegon Community Education Center80 West Southern Avenue Muskegon 49441 US
231-720-2800Muskegon High School80 West Southern Avenue Muskegon 49441 US
231-720-3000Muskegon Middle School1150 Amity Avenue Muskegon 49442 US
231-720-3100Muskegon Covenant Academy125 Catherine Avenue Muskegon 49442 US
231-720-7501Dig-it Excavation780 Levering Road Cheboygan 49721 US

Reports

Anonymous User from Manton Mi, Michigan

March 13, 2026 at 7:20 PM

231-720-8207 reported as a Robocall. Received on March 13, 2026 at 6:38 PM.
Call for No Subject Provided

Anonymous User from Manton, Michigan

March 8, 2026 at 8:43 PM

231-720-0949 reported as a Robocall. Received on March 6, 2026 at 1:02 PM.
Call for No Subject Provided

Anonymous User from Traverse City, Michigan

February 23, 2026 at 3:53 PM

231-720-2759 reported as a Robocall. Received on February 23, 2026 at 12:00 PM.

Anonymous User from Petoskey, Michigan

December 12, 2025 at 4:30 PM

231-720-0568 reported as a Robocall. Received on December 12, 2025 at 4:23 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Wolverine, Michigan

December 6, 2025 at 12:26 PM

231-720-2717 reported as a unwanted call. Received on December 5, 2025 at 10:53 AM.
Call for Dropped call or no message

Anonymous User from Petoskey, Michigan

December 5, 2025 at 11:57 AM

231-720-0421 reported as a Robocall. Received on December 5, 2025 at 11:37 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , MI

November 19, 2025 at 12:35 PM

231-720-7860 reported as a Robocall. Received on November 11, 2025 at 11:08 AM.

Anonymous User from Reed City, Michigan

September 17, 2025 at 3:36 PM

231-720-3270 reported as a Robocall. Received on September 16, 2025 at 2:48 PM.

Anonymous User from Cheboygan, Michigan

August 24, 2025 at 1:03 PM

231-720-8390 reported as a Robocall. Received on August 15, 2025 at 9:50 AM.
Call for Dropped call or no message

Anonymous User from Muskegon, Michigan

March 12, 2025 at 7:38 PM

231-720-1768 reported as a Live Voice or Other. Received on March 12, 2025 at 7:30 PM.

Anonymous User from Twin Lake, Michigan

March 8, 2025 at 11:49 AM

231-720-0512 reported as a Robocall. Received on March 7, 2025 at 12:00 AM.
Call for No Subject Provided

Anonymous User from Montague, Michigan

February 21, 2025 at 1:45 PM

231-720-7186 reported as a Live Voice or Other. Received on February 21, 2025 at 1:43 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Charlevoix, Michigan

February 19, 2025 at 4:25 PM

231-720-2040 reported as a Robocall. Received on February 19, 2025 at 4:22 PM.

Anonymous User from Munger, Michigan

March 18, 2024 at 11:38 AM

231-720-8621 reported as a Robocall. Received on March 18, 2024 at 11:37 AM.
Call for Medical & prescriptions

Anonymous User from , MI

April 19, 2023 at 11:17 AM

231-720-0926 reported as a Robocall. Received on April 19, 2023 at 11:15 AM.

Anonymous User from , MI

April 12, 2023 at 3:53 PM

231-720-0572 reported as a Robocall. Received on April 4, 2023 at 9:33 AM.

Anonymous User from , MI

April 12, 2023 at 3:46 PM

231-720-0650 reported as a Robocall. Received on April 11, 2023 at 3:34 PM.

Anonymous User from , MI

April 12, 2023 at 3:41 PM

231-720-0259 reported as a Robocall. Received on April 12, 2023 at 3:39 PM.

Anonymous User from , MI

March 16, 2023 at 9:17 PM

231-720-0827 reported as a Robocall. Received on March 15, 2023 at 10:20 AM.

Anonymous User from , MI

March 16, 2023 at 9:16 PM

231-720-0565 reported as a Robocall. Received on March 15, 2023 at 12:28 PM.

Anonymous User from , MI

February 27, 2023 at 1:02 PM

231-720-0663 reported as a Robocall. Received on February 17, 2023 at 10:00 AM.

Anonymous User from , MI

February 27, 2023 at 1:02 PM

231-720-0943 reported as a Robocall. Received on February 17, 2023 at 1:40 PM.

Anonymous User from , MI

November 14, 2022 at 12:56 PM

231-720-0226 reported as a Robocall. Received on November 7, 2022 at 6:49 PM.

Anonymous User from , MI

November 14, 2022 at 12:51 PM

231-720-0715 reported as a Robocall. Received on November 10, 2022 at 11:24 AM.

Anonymous User from , MI

November 14, 2022 at 12:48 PM

231-720-0355 reported as a Robocall. Received on November 11, 2022 at 3:39 PM.

Anonymous User from , MI

September 8, 2022 at 5:32 PM

231-720-0825 reported as a Robocall. Received on September 3, 2022 at 12:20 PM.

Anonymous User from , MI

September 8, 2022 at 5:30 PM

231-720-0965 reported as a Robocall. Received on September 5, 2022 at 11:41 AM.

Anonymous User from , MI

September 8, 2022 at 5:27 PM

231-720-0661 reported as a Robocall. Received on September 7, 2022 at 6:03 PM.
Call for Home security & alarms

Anonymous User from Montague, Michigan

September 6, 2022 at 3:37 PM

231-720-1775 reported as a Robocall. Received on September 6, 2022 at 3:31 PM.

Anonymous User from , MI

August 22, 2022 at 6:03 PM

231-720-0847 reported as a Robocall. Received on August 10, 2022 at 12:23 PM.

Anonymous User from , MI

August 22, 2022 at 6:01 PM

231-720-0720 reported as a Robocall. Received on August 11, 2022 at 5:48 PM.

Anonymous User from , MI

August 22, 2022 at 5:54 PM

231-720-0551 reported as a Robocall. Received on August 16, 2022 at 1:14 PM.

Anonymous User from , MI

August 22, 2022 at 5:51 PM

231-720-0986 reported as a Robocall. Received on August 19, 2022 at 9:35 AM.

Anonymous User from , MI

July 27, 2022 at 7:13 PM

231-720-8561 reported as a unwanted call. Received on July 27, 2022 at 3:57 PM.
Call for No Subject Provided

Most 'popular' numbers on this prefix:

231-720-0XXX: 231-720-0236 | 231-720-0238 | 231-720-0248 | 231-720-0250 | 231-720-0255 | 231-720-0258 | 231-720-0303 | 231-720-0308 | 231-720-0350 | 231-720-0353 | 231-720-0358 | 231-720-0501 | 231-720-0502 | 231-720-0506 | 231-720-0560 | 231-720-0561 | 231-720-0562 | 231-720-0601 | 231-720-0602 | 231-720-0606 | 231-720-0650 | 231-720-0651 | 231-720-0652 | 231-720-0702 | 231-720-0707 | 231-720-0710 | 231-720-0711 | 231-720-0714 | 231-720-0787 | 231-720-0802 | 231-720-0806 | 231-720-0808 | 231-720-0820 | 231-720-0821 | 231-720-0822 | 231-720-0902 | 231-720-0907 | 231-720-0920 | 231-720-0921 | 231-720-0922 | 231-720-0998 |
231-720-1XXX: 231-720-1700 | 231-720-1770 | 231-720-1771 | 231-720-1777 |
231-720-2XXX: 231-720-2000 | 231-720-2006 | 231-720-2008 | 231-720-2040 | 231-720-2045 | 231-720-2047 | 231-720-2800 | 231-720-2808 | 231-720-2809 |
231-720-4XXX: 231-720-4200 | 231-720-4202 | 231-720-4205 | 231-720-4241 | 231-720-4242 | 231-720-4248 |
231-720-5XXX: 231-720-5100 | 231-720-5102 | 231-720-5105 | 231-720-5196 | 231-720-5340 | 231-720-5343 | 231-720-5345 |
231-720-6XXX: 231-720-6900 | 231-720-6990 | 231-720-6996 | 231-720-6998 |
231-720-7XXX: 231-720-7500 | 231-720-7501 | 231-720-7506 |
231-720-8XXX: 231-720-8500 | 231-720-8560 | 231-720-8562 | 231-720-8569 | 231-720-8591 | 231-720-8620 | 231-720-8622 | 231-720-8628 | 231-720-8697 |