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203-307

You are reviewing the Area Code (NPA/NXX) report for 203-307. Did you mean to search the SMS short code 203307?

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Examples: 206-739-5800, 206, 206-739, 48369
Raw Number203307
Basic Format203-307
NPA (Area Code)203
NXX307

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
203-307-0XXX199FBANDWIDTH.COM CLEC, LLC - CTFAIRFIELDAS04/27/2011FAIRFIELDCTNE05/27/2011
203-307-1XXX4800LEVEL 3 COMMUNICATIONS, LLC - CTFAIRFIELDAS11/22/2005FAIRFIELDCTNE12/19/2005
203-307-2XXX4800LEVEL 3 COMMUNICATIONS, LLC - CTFAIRFIELDAS11/22/2005FAIRFIELDCTNE12/19/2005
203-307-3XXX829JPAETEC ITEL, LLCFAIRFIELDAS11/21/2005FAIRFIELDCTNE12/19/2005
203-307-4XXX829JPAETEC ITEL, LLCFAIRFIELDAS08/24/2006FAIRFIELDCTNE09/21/2006
203-307-5XXX199FBANDWIDTH.COM CLEC, LLC - CTFAIRFIELDAS02/04/2010FAIRFIELDCTNE03/05/2010
203-307-6XXX7230MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CTFAIRFIELDAS02/07/2005FAIRFIELDCTNE03/24/2005
203-307-7XXX7230MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CTFAIRFIELDAS02/07/2005FAIRFIELDCTNE03/24/2005
203-307-8XXX7230MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CTFAIRFIELDAS02/07/2005FAIRFIELDCTNE03/24/2005
203-307-9XXX7230MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CTFAIRFIELDAS02/07/2005FAIRFIELDCTNE03/24/2005
203-307-XXXX7230MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CTFAIRFIELDAS01/31/2005FAIRFIELDCT

Business/Government Phones on the 203-307 Prefix

PhoneNameAddress
203-307-0217Stanton House Inn76 Maple Avenue Greenwich 06830 US
203-307-4444Residential Margage ServicesUS

Reports

Anonymous User from Warwick, Rhode Island

December 15, 2025 at 10:00 AM

203-307-2371 reported as a Live Voice or Other. Received on December 13, 2025 at 12:00 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Farmington, Connecticut

December 10, 2025 at 11:02 AM

203-307-0857 reported as a Robocall. Received on December 10, 2025 at 10:19 AM.
Call for Dropped call or no message

Anonymous User from Bethel, Connecticut

November 18, 2025 at 4:48 PM

203-307-2569 reported as a Robocall. Received on November 18, 2025 at 3:27 PM.
Call for Home security & alarms

Anonymous User from Brookfield, Connecticut

August 19, 2025 at 11:47 AM

203-307-6541 reported as a Robocall. Received on August 19, 2025 at 11:44 AM.
Call for Energy, solar, & utilities

Anonymous User from , CA

August 12, 2025 at 8:43 PM

203-307-5707 reported as a Robocall. Received on August 12, 2025 at 8:51 AM.
Call for Energy, solar, & utilities

Anonymous User from Jefferson, Massachusetts

August 8, 2025 at 12:57 PM

203-307-0501 reported as a Live Voice or Other. Received on August 8, 2025 at 12:45 PM.

Anonymous User from Huntington Beach, CA

June 16, 2025 at 10:11 PM

reported as a Text Message. Received on June 16, 2025 at 1:18 PM.
Unwanted call for Home Improvement Services
Caller ID indicated they called from 203-307-0669
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CT

June 16, 2025 at 11:35 AM

203-307-5785 reported as a Robocall. Received on June 12, 2025 at 12:00 AM.

Anonymous User from Norwalk, Connecticut

May 27, 2025 at 2:27 PM

203-307-9160 reported as a Robocall. Received on May 26, 2025 at 12:00 AM.
Call for No Subject Provided

Anonymous User from Dunlap, Tennessee

May 6, 2025 at 2:43 PM

203-307-8752 reported as a Robocall. Received on May 6, 2025 at 1:42 PM.

Anonymous User from Rancho Cucamonga, Utah

May 6, 2025 at 4:12 AM

203-307-9100 reported as a Robocall. Received on May 5, 2025 at 12:00 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CT

March 15, 2025 at 12:38 PM

203-307-2779 reported as a Robocall. Received on March 13, 2025 at 4:39 PM.

Anonymous User from Fairfield, Connecticut

March 14, 2025 at 9:15 AM

203-307-9377 reported as a Live Voice or Other. Received on March 14, 2025 at 9:11 AM.
Call for Medical & prescriptions

Anonymous User from Ct, Connecticut

February 13, 2025 at 6:11 PM

203-307-0827 reported as a Robocall. Received on February 13, 2025 at 6:00 AM.

Anonymous User from Saratoga Springs, New York

February 5, 2025 at 5:12 AM

203-307-1635 reported as a Live Voice or Other. Received on February 3, 2025 at 12:19 PM.
Call for Energy, solar, & utilities

Anonymous User from Meriden, Connecticut

January 30, 2025 at 10:58 AM

203-307-3175 reported as a Robocall. Received on January 30, 2025 at 10:51 AM.
Call for Medical & prescriptions

Anonymous User from , CT

January 23, 2025 at 10:25 AM

203-307-0720 reported as a Live Voice or Other. Received on January 23, 2025 at 10:00 AM.
Call for No Subject Provided

Anonymous User from , CT

January 16, 2025 at 5:51 PM

203-307-9706 reported as a Robocall. Received on January 16, 2025 at 5:43 PM.
Call for Dropped call or no message

Anonymous User from , CT

October 8, 2024 at 6:14 PM

203-307-2443 reported as a unwanted call. Received on October 8, 2024 at 6:12 PM.
Call for No Subject Provided

Anonymous User from , CT

August 7, 2024 at 5:06 PM

203-307-8072 reported as a Robocall. Received on August 7, 2024 at 1:45 PM.
Call for Dropped call or no message

Anonymous User from , NM

July 30, 2024 at 10:02 PM

203-307-2881 reported as a Robocall. Received on July 30, 2024 at 8:02 AM.

Anonymous User from 903732, California

April 23, 2024 at 2:40 PM

203-307-0915 reported as a Robocall. Received on April 23, 2024 at 11:00 AM.

Anonymous User from , CT

January 22, 2024 at 10:38 AM

203-307-1735 reported as a Robocall. Received on January 19, 2024 at 1:54 PM.

Anonymous User from , CT

January 20, 2024 at 8:22 PM

203-307-8185 reported as a Robocall. Received on January 20, 2024 at 11:22 AM.
Call for Medical & prescriptions

Anonymous User from Greenwich, Connecticut

September 7, 2023 at 3:45 PM

203-307-5758 reported as a Robocall. Received on September 7, 2023 at 3:38 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CT

July 28, 2023 at 4:56 PM

203-307-3523 reported as a Live Voice or Other. Received on July 25, 2023 at 12:38 PM.
Call for Dropped call or no message

Anonymous User from , CT

July 27, 2023 at 3:39 PM

203-307-0954 reported as a Robocall. Received on July 27, 2023 at 3:38 PM.
Call for Charities

Anonymous User from Walingford, Connecticut

July 7, 2023 at 3:55 PM

203-307-0001 reported as a Robocall. Received on July 7, 2023 at 4:10 PM.

Anonymous User from , CT

June 29, 2023 at 10:14 AM

203-307-5648 reported as a unwanted call. Received on June 29, 2023 at 9:23 AM.
Call for Dropped call or no message

Anonymous User from Hamden, Connecticut

March 8, 2023 at 3:25 PM

203-307-8845 reported as a Robocall. Received on March 8, 2023 at 3:17 PM.

Anonymous User from , NJ

December 14, 2022 at 12:38 PM

203-307-2022 reported as a unwanted call. Received on December 14, 2022 at 11:43 AM.
Call for No Subject Provided

Anonymous User from , CT

November 6, 2022 at 3:23 PM

203-307-0009 reported as a Robocall. Received on November 6, 2022 at 12:00 AM.
Call for No Subject Provided

Anonymous User from , CT

November 1, 2022 at 5:06 PM

203-307-1131 reported as a Robocall. Received on November 1, 2022 at 3:45 PM.

Anonymous User from Cheshire, Connecticut

September 29, 2022 at 10:12 AM

203-307-7126 reported as a Robocall. Received on September 28, 2022 at 4:38 PM.

Anonymous User from , CT

August 28, 2022 at 4:43 PM

203-307-2639 reported as a Robocall. Received on August 24, 2022 at 8:46 PM.
Call for Dropped call or no message

Anonymous User from , CT

August 22, 2022 at 7:51 AM

203-307-2639 reported as a unwanted call. Received on August 21, 2022 at 3:11 PM.
Call for No Subject Provided

Anonymous User from , CT

August 17, 2022 at 12:34 PM

203-307-0129 reported as a Robocall. Received on August 16, 2022 at 4:23 PM.

Anonymous User from , CT

August 13, 2022 at 7:15 PM

203-307-2109 reported as a Robocall. Received on August 9, 2022 at 3:07 PM.

Anonymous User from , CT

July 28, 2022 at 9:44 AM

203-307-5640 reported as a Robocall. Received on July 25, 2022 at 9:50 AM.
Call for Dropped call or no message

Anonymous User from Milford, Connecticut

May 26, 2022 at 5:51 AM

203-307-8406 reported as a Robocall. Received on May 25, 2022 at 12:06 PM.
Call for Dropped call or no message

Anonymous User from Sparkill, NY

March 2, 2021 at 9:16 PM

203-307-5313 reported as a Live Voice. Received on March 2, 2021 at 3:20 PM.
Unwanted call for unknown
Contacted via Wired

Anonymous User from , CT

March 28, 2017 at 11:27 AM

None reported as a Live Voice. Received on February 21, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 203-307-5626
Contacted via Internet (VOIP)

Anonymous User from , NY

January 5, 2017 at 2:19 PM

None reported as a Abandoned Calls. Received on January 5, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 203-307-5990
Contacted via Wired

Anonymous User from , IL

January 4, 2017 at 6:02 PM

203-307-5990 reported as a Live Voice. Received on January 4, 2017 at 12:00 AM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , TX

January 3, 2017 at 7:24 PM

None reported as a Abandoned Calls. Received on January 3, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 203-307-5990
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CT

October 28, 2015 at 10:17 PM

203-307-0463 reported as a Prerecorded Voice. Received on October 28, 2015 at 5:09 PM.
Robocall for unknown
Contacted via Wired

Most 'popular' numbers on this prefix:

203-307-0XXX: 203-307-0000 | 203-307-0001 | 203-307-0003 | 203-307-0026 | 203-307-0072 | 203-307-0123 | 203-307-0128 | 203-307-0129 | 203-307-0133 | 203-307-0178 | 203-307-0193 | 203-307-0402 | 203-307-0403 | 203-307-0409 | 203-307-0462 | 203-307-0463 | 203-307-0469 | 203-307-0602 | 203-307-0607 | 203-307-0647 | 203-307-0662 | 203-307-0663 | 203-307-0666 | 203-307-0702 | 203-307-0707 | 203-307-0721 | 203-307-0722 | 203-307-0723 | 203-307-0787 | 203-307-0802 | 203-307-0807 | 203-307-0808 | 203-307-0820 | 203-307-0822 | 203-307-0828 | 203-307-0916 | 203-307-0918 | 203-307-0919 | 203-307-0934 | 203-307-0936 | 203-307-0937 | 203-307-0938 | 203-307-0950 | 203-307-0955 | 203-307-0956 | 203-307-0983 | 203-307-0984 | 203-307-0986 |
203-307-1XXX: 203-307-1131 | 203-307-1133 | 203-307-1212 | 203-307-1220 | 203-307-1233 | 203-307-1234 | 203-307-1236 | 203-307-1600 | 203-307-1630 | 203-307-1631 | 203-307-1633 | 203-307-1647 | 203-307-1652 | 203-307-1700 | 203-307-1730 | 203-307-1735 | 203-307-1738 | 203-307-1777 |
203-307-2XXX: 203-307-2000 | 203-307-2007 | 203-307-2008 | 203-307-2020 | 203-307-2023 | 203-307-2024 | 203-307-2100 | 203-307-2101 | 203-307-2106 | 203-307-2146 | 203-307-2166 | 203-307-2169 | 203-307-2400 | 203-307-2440 | 203-307-2445 | 203-307-2447 | 203-307-2483 | 203-307-2603 | 203-307-2606 | 203-307-2609 | 203-307-2630 | 203-307-2631 | 203-307-2638 | 203-307-2773 | 203-307-2777 | 203-307-2778 | 203-307-2800 | 203-307-2883 | 203-307-2888 | 203-307-2889 |
203-307-3XXX: 203-307-3170 | 203-307-3172 | 203-307-3175 | 203-307-3198 | 203-307-3503 | 203-307-3505 | 203-307-3506 | 203-307-3520 | 203-307-3522 | 203-307-3525 |
203-307-4XXX: 203-307-4400 | 203-307-4440 | 203-307-4444 | 203-307-4447 | 203-307-4477 | 203-307-4987 | 203-307-4988 | 203-307-4989 | 203-307-4993 | 203-307-4997 | 203-307-4998 |
203-307-5XXX: 203-307-5303 | 203-307-5311 | 203-307-5312 | 203-307-5316 | 203-307-5353 | 203-307-5358 | 203-307-5622 | 203-307-5627 | 203-307-5629 | 203-307-5663 | 203-307-5666 | 203-307-5668 | 203-307-5753 | 203-307-5756 | 203-307-5757 | 203-307-5783 | 203-307-5787 | 203-307-5938 | 203-307-5983 | 203-307-5984 | 203-307-5990 | 203-307-5993 | 203-307-5995 |
203-307-7XXX: 203-307-7120 | 203-307-7122 | 203-307-7128 | 203-307-7172 | 203-307-7178 | 203-307-7179 |
203-307-8XXX: 203-307-8008 | 203-307-8009 | 203-307-8070 | 203-307-8077 | 203-307-8078 | 203-307-8080 | 203-307-8146 | 203-307-8148 | 203-307-8181 | 203-307-8183 | 203-307-8188 | 203-307-8400 | 203-307-8403 | 203-307-8405 | 203-307-8483 | 203-307-8486 | 203-307-8487 | 203-307-8800 | 203-307-8840 | 203-307-8847 | 203-307-8848 | 203-307-8887 | 203-307-8888 |
203-307-9XXX: 203-307-9370 | 203-307-9372 | 203-307-9375 | 203-307-9700 | 203-307-9706 | 203-307-9707 | 203-307-9709 |