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231-203

You are reviewing the Area Code (NPA/NXX) report for 231-203. Did you mean to search the SMS short code 231203?

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Examples: 206-739-5800, 206, 206-739, 48369
Raw Number231203
Basic Format231-203
NPA (Area Code)231
NXX203

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateStateRegionBlock Effective Date
231-203-0XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILALANSONRTMIMW
231-203-1XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILALANSONRTMIMW
231-203-2XXX792KCHARTER IP ENABLED SERVICES, LLCALANSONAS09/25/2012MIMW10/05/2012
231-203-3XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILALANSONRTMIMW
231-203-4XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILALANSONRTMIMW
231-203-5XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILALANSONAS10/16/2015MIMW10/28/2015
231-203-6XXX6120LEVEL 3 COMMUNICATIONS, LLC - MIALANSONAS05/24/2019MIMW08/05/2019
231-203-7XXX508JCENTURYLINK COMMUNICATIONS, LLCALANSONAS08/18/2015MIMW09/19/2015
231-203-8XXX543CONVOY, LLCV - MIALANSONAS08/06/2019MIMW09/05/2019
231-203-9XXX991EBANDWIDTH.COM CLEC, LLC - MIALANSONAS04/01/2026MIMW04/30/2026
231-203-XXXX6534NEW CINGULAR WIRELESS PCS, LLC - ILALANSONAS03/19/2004MI

Business/Government Phones on the 231-203 Prefix

PhoneNameAddress
231-203-2015Great North Running Company7381 South US-31 Highway Alanson 49706 US
231-203-2026Little Mitten Child Development Center7722 Milton Road Alanson 49706 US
231-203-2029The Burst7660 South US-31 Highway Alanson 49706 US
231-203-2032Northern Michigan Controls & Electrical Services6249 Valley Road Alanson 49706 US
231-203-2088Jerk-N-Depot7568 South US-31 Highway Alanson 49706 US
231-203-2122Flowers by Melissa7541 Burr Avenue Alanson 49706 US
231-203-2176Bob's Place7515 Burr Avenue Alanson 49706 US
231-203-4191The Grubby Pup Do-It-Yourself Pet Wash7339 South US-31 Highway Alanson 49706 US

Reports

Anonymous User from , MI

February 16, 2026 at 1:05 PM

231-203-6174 reported as a Robocall. Received on February 16, 2026 at 11:08 AM.
Call for Medical & prescriptions

Anonymous User from Farmington Hills, Michigan

December 29, 2025 at 10:03 AM

231-203-8838 reported as a Live Voice or Other. Received on December 29, 2025 at 9:57 AM.
Call for Warranties & protection plans

Anonymous User from Elk Rapids, Michigan

December 4, 2025 at 6:46 PM

231-203-6287 reported as a Robocall. Received on December 4, 2025 at 8:50 AM.

Anonymous User from Muskegon, Michigan

December 1, 2025 at 5:33 PM

231-203-8788 reported as a Robocall. Received on December 1, 2025 at 5:18 PM.

Anonymous User from Saint Ignace, Michigan

December 1, 2025 at 2:38 PM

231-203-8645 reported as a Live Voice or Other. Received on December 1, 2025 at 2:27 PM.

Anonymous User from Muskegon, Michigan

November 28, 2025 at 12:26 PM

231-203-8644 reported as a Live Voice or Other. Received on November 28, 2025 at 12:19 PM.
Call for Warranties & protection plans

Anonymous User from , MI

November 25, 2025 at 5:46 PM

231-203-8409 reported as a Robocall. Received on November 1, 2025 at 6:19 PM.
Call for Dropped call or no message

Anonymous User from Ravenna, Michigan

November 18, 2025 at 4:01 PM

231-203-6177 reported as a unwanted call. Received on November 18, 2025 at 3:59 PM.
Call for No Subject Provided

Anonymous User from , MI

August 11, 2025 at 2:45 PM

231-203-6139 reported as a Live Voice or Other. Received on August 11, 2025 at 9:15 AM.

Anonymous User from Grant, Michigan

August 11, 2025 at 2:40 PM

231-203-2729 reported as a Robocall. Received on August 11, 2025 at 2:38 PM.

Anonymous User from , MI

July 23, 2025 at 7:29 PM

231-203-8729 reported as a unwanted call. Received on July 23, 2025 at 5:46 PM.

Anonymous User from Rochester Hills, Michigan

June 17, 2025 at 12:52 PM

231-203-8729 reported as a Robocall. Received on June 16, 2025 at 2:31 PM.

Anonymous User from Cheboygan, Michigan

May 24, 2025 at 7:43 PM

231-203-2917 reported as a Robocall. Received on May 22, 2025 at 10:28 AM.
Call for Dropped call or no message

Anonymous User from Beulah, Michigan

April 8, 2025 at 4:30 PM

231-203-8003 reported as a Robocall. Received on April 8, 2025 at 9:19 AM.
Call for Dropped call or no message

Anonymous User from Beulah, Michigan

April 4, 2025 at 3:01 PM

231-203-8003 reported as a Robocall. Received on April 3, 2025 at 12:41 PM.
Call for Dropped call or no message

Anonymous User from Norton Shores, Michigan

April 2, 2025 at 11:28 AM

231-203-7162 reported as a Robocall. Received on April 2, 2025 at 10:33 AM.

Anonymous User from Montague, Michigan

February 24, 2025 at 3:54 PM

231-203-8245 reported as a Robocall. Received on February 24, 2025 at 3:51 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Rothbury, Michigan

January 12, 2025 at 12:19 PM

231-203-8861 reported as a Live Voice or Other. Received on January 10, 2025 at 4:54 PM.

Anonymous User from Beulah, Michigan

November 6, 2024 at 7:00 AM

231-203-8003 reported as a Robocall. Received on November 5, 2024 at 10:43 AM.
Call for Dropped call or no message

Anonymous User from Mi, Michigan

October 31, 2024 at 11:03 AM

231-203-7019 reported as a Robocall. Received on October 31, 2024 at 10:01 AM.

Anonymous User from Kalkaska, Michigan

October 28, 2024 at 9:22 AM

231-203-8634 reported as a Live Voice or Other. Received on October 28, 2024 at 9:12 AM.

Anonymous User from Grand Rapids, Michigan

September 4, 2024 at 6:41 PM

231-203-8520 reported as a Live Voice or Other. Received on September 4, 2024 at 5:01 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Beulah, Michigan

July 26, 2024 at 1:10 PM

231-203-8003 reported as a Robocall. Received on July 26, 2024 at 9:27 AM.
Call for Dropped call or no message

Anonymous User from Marshall, Michigan

June 25, 2024 at 5:31 PM

231-203-8520 reported as a Robocall. Received on June 20, 2024 at 9:30 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Wyoming, Michigan

June 7, 2024 at 6:21 PM

231-203-8870 reported as a Live Voice or Other. Received on June 7, 2024 at 6:16 AM.
Call for Medical & prescriptions

Anonymous User from , MI

June 7, 2024 at 9:31 AM

231-203-9103 reported as a Live Voice or Other. Received on June 7, 2024 at 8:36 AM.
Call for No Subject Provided

Anonymous User from Middleville, Michigan

May 31, 2024 at 12:49 PM

231-203-8809 reported as a Live Voice or Other. Received on May 31, 2024 at 12:43 PM.
Call for Medical & prescriptions

Anonymous User from Irons, Michigan

March 14, 2024 at 5:12 PM

231-203-7208 reported as a Robocall. Received on March 14, 2024 at 11:19 AM.
Call for Dropped call or no message

Anonymous User from , MA

January 25, 2024 at 12:10 PM

231-203-9750 reported as a Live Voice or Other. Received on January 25, 2024 at 10:22 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Holton, Michigan

June 27, 2023 at 9:36 AM

231-203-2434 reported as a Live Voice or Other. Received on June 26, 2023 at 5:25 PM.
Call for Medical & prescriptions

Anonymous User from Mecosta, Michigan

June 9, 2023 at 7:41 PM

231-203-8058 reported as a Robocall. Received on June 7, 2023 at 4:01 PM.

Anonymous User from Largo, Michigan

June 1, 2023 at 6:00 PM

231-203-6461 reported as a Robocall. Received on June 1, 2023 at 5:30 PM.
Call for Medical & prescriptions

Anonymous User from , MI

April 6, 2023 at 5:27 PM

231-203-6133 reported as a Robocall. Received on April 5, 2023 at 1:29 PM.

Anonymous User from Traverse City, Michigan

March 30, 2023 at 9:21 AM

231-203-6045 reported as a Robocall. Received on March 30, 2023 at 9:05 AM.
Call for Dropped call or no message

Anonymous User from Dearborn Heights, Michigan

March 10, 2023 at 10:18 AM

231-203-8053 reported as a Live Voice or Other. Received on March 10, 2023 at 12:00 AM.

Anonymous User from , MI

February 28, 2023 at 7:51 PM

231-203-6149 reported as a unwanted call. Received on February 28, 2023 at 10:18 AM.
Call for No Subject Provided

Anonymous User from Kalkaska, Michigan

February 24, 2023 at 8:20 AM

231-203-3258 reported as a Robocall. Received on February 23, 2023 at 1:45 PM.

Anonymous User from Marshall, Texas

January 31, 2023 at 10:37 AM

231-203-8670 reported as a Robocall. Received on January 30, 2023 at 11:34 AM.
Call for Medical & prescriptions

Anonymous User from Grosse Pointe Woods, Michigan

January 26, 2023 at 3:14 PM

231-203-8325 reported as a Robocall. Received on January 26, 2023 at 3:11 PM.

Anonymous User from Monroe, Michigan

December 14, 2022 at 5:21 PM

231-203-8048 reported as a Live Voice or Other. Received on December 14, 2022 at 12:00 AM.

Anonymous User from Holladay, Utah

November 30, 2022 at 4:12 PM

231-203-8870 reported as a Robocall. Received on November 30, 2022 at 2:09 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , AZ

November 15, 2022 at 11:23 AM

231-203-8321 reported as a Live Voice or Other. Received on November 15, 2022 at 11:20 AM.

Anonymous User from Kalkaska, Michigan

October 15, 2022 at 2:53 PM

231-203-0145 reported as a Live Voice or Other. Received on October 15, 2022 at 2:44 PM.

Anonymous User from Sterling Heights, Michigan

August 30, 2022 at 12:07 PM

231-203-8484 reported as a Live Voice or Other. Received on August 30, 2022 at 11:36 AM.
Call for Dropped call or no message

Anonymous User from Sterling Heights, Michigan

August 30, 2022 at 12:06 PM

231-203-8484 reported as a Live Voice or Other. Received on August 30, 2022 at 11:17 AM.
Call for Dropped call or no message

Anonymous User from Sterling Heights, Michigan

August 30, 2022 at 12:04 PM

231-203-8484 reported as a Live Voice or Other. Received on August 30, 2022 at 10:40 AM.
Call for Dropped call or no message

Anonymous User from Leroy, Michigan

August 29, 2022 at 5:46 PM

231-203-2121 reported as a Robocall. Received on August 29, 2022 at 11:51 AM.

Anonymous User from , MI

August 17, 2022 at 1:47 PM

231-203-2261 reported as a Live Voice or Other. Received on July 26, 2022 at 10:45 AM.
Call for No Subject Provided

Anonymous User from Lake Orion, Michigan

July 8, 2022 at 7:20 PM

231-203-0516 reported as a Robocall. Received on July 8, 2022 at 7:17 PM.

Anonymous User from , FL

June 16, 2017 at 10:49 PM

231-203-8896 reported as a Abandoned Calls. Received on June 16, 2017 at 2:32 PM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , FL

August 22, 2016 at 10:56 PM

231-203-1245 reported as a Abandoned Calls. Received on August 21, 2016 at 2:00 PM.
Robocall for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , FL

March 16, 2016 at 2:11 PM

reported as a Abandoned Calls. Received on March 16, 2016 at 8:00 AM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 231-203-1805
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

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231-203-1XXX: 231-203-1200 | 231-203-1212 | 231-203-1235 | 231-203-1240 | 231-203-1242 | 231-203-1247 | 231-203-1800 | 231-203-1803 | 231-203-1805 |
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231-203-3XXX: 231-203-3251 | 231-203-3255 | 231-203-3259 |
231-203-6XXX: 231-203-6000 | 231-203-6006 | 231-203-6008 | 231-203-6040 | 231-203-6042 | 231-203-6048 | 231-203-6131 | 231-203-6133 | 231-203-6139 | 231-203-6153 | 231-203-6158 | 231-203-6166 | 231-203-6400 | 231-203-6461 | 231-203-6463 | 231-203-6469 | 231-203-6483 | 231-203-6489 |
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231-203-8XXX: 231-203-8000 | 231-203-8005 | 231-203-8008 | 231-203-8040 | 231-203-8042 | 231-203-8047 | 231-203-8243 | 231-203-8245 | 231-203-8247 | 231-203-8257 | 231-203-8258 | 231-203-8301 | 231-203-8303 | 231-203-8321 | 231-203-8322 | 231-203-8329 | 231-203-8383 | 231-203-8483 | 231-203-8484 | 231-203-8486 | 231-203-8487 | 231-203-8670 | 231-203-8676 | 231-203-8677 | 231-203-8684 | 231-203-8686 | 231-203-8689 | 231-203-8800 | 231-203-8873 | 231-203-8875 | 231-203-8877 | 231-203-8899 |
231-203-9XXX: 231-203-9100 | 231-203-9103 | 231-203-9109 | 231-203-9197 | 231-203-9198 | 231-203-9701 | 231-203-9703 | 231-203-9707 | 231-203-9753 | 231-203-9755 | 231-203-9759 |