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

443-433

You are reviewing the Area Code (NPA/NXX) report for 443-433. Did you mean to search the SMS short code 443433?

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.

Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number443433
Basic Format443-433
NPA (Area Code)443
NXX433

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
443-433-0XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCANNAPOLISRTANNAPOLISMDMA
443-433-1XXX829JPAETEC ITEL, LLCANNAPOLISAS09/08/2005ANNAPOLISMDMA10/07/2005
443-433-2XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCANNAPOLISAS02/17/2006ANNAPOLISMDMA03/02/2006
443-433-3XXX829JPAETEC ITEL, LLCANNAPOLISAS03/23/2005ANNAPOLISMDMA04/18/2005
443-433-4XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCANNAPOLISRTANNAPOLISMDMA
443-433-5XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCANNAPOLISRTANNAPOLISMDMA
443-433-6XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCANNAPOLISAS02/17/2006ANNAPOLISMDMA03/02/2006
443-433-7XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCANNAPOLISRTANNAPOLISMDMA
443-433-8XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCANNAPOLISAS02/17/2006ANNAPOLISMDMA03/02/2006
443-433-9XXX6855OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCANNAPOLISAS08/09/2011ANNAPOLISMDMA08/19/2011
443-433-XXXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCANNAPOLISAS02/21/2001ANNAPOLISMD

Business/Government Phones on the 443-433 Prefix

PhoneNameAddress
443-433-3226Sheffield Capital Group, LLC
443-433-9588K&B HVAC Services, LLC

Reports

Anonymous User from , MD

March 18, 2026 at 9:10 AM

443-433-9023 reported as a Live Voice or Other. Received on March 18, 2026 at 8:57 AM.
Call for Home improvement & cleaning

Anonymous User from Pasadena, Maryland

February 27, 2026 at 3:05 PM

443-433-6010 reported as a Robocall. Received on February 27, 2026 at 10:36 AM.

Anonymous User from Pasadena, Maryland

February 27, 2026 at 3:02 PM

443-433-6010 reported as a Robocall. Received on February 27, 2026 at 2:57 PM.

Anonymous User from , VA

January 29, 2026 at 10:36 AM

443-433-6010 reported as a Robocall. Received on January 29, 2026 at 10:00 AM.
Call for Dropped call or no message

Anonymous User from St Johns, Florida

February 1, 2024 at 2:59 PM

443-433-2133 reported as a Live Voice or Other. Received on February 1, 2024 at 2:54 AM.

Anonymous User from Columbia, Maryland

July 8, 2023 at 3:15 PM

443-433-8039 reported as a Live Voice or Other. Received on July 8, 2023 at 3:14 PM.

Anonymous User from Middletown, Delaware

May 11, 2023 at 5:51 PM

443-433-0949 reported as a Robocall. Received on May 11, 2023 at 3:00 PM.
Call for Medical & prescriptions

Anonymous User from Crownsville, Maryland

August 19, 2022 at 3:44 PM

443-433-8972 reported as a Live Voice or Other. Received on August 19, 2022 at 3:39 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Derwood, Maryland

June 28, 2022 at 12:46 PM

44343359924 reported as a Live Voice or Other. Received on June 28, 2022 at 12:26 PM.
Call for No Subject Provided

Anonymous User from Woodbine, Maryland

November 30, -0001 at 12:00 AM

443-433-6937 reported as a Live Voice or Other. Received on November 30, -0001 at 12:00 AM.
Call for Medical & prescriptions

Most 'popular' numbers on this prefix:

443-433-0XXX: 443-433-0700 | 443-433-0707 | 443-433-0740 | 443-433-0741 | 443-433-0747 | 443-433-0777 | 443-433-0900 | 443-433-0903 | 443-433-0907 | 443-433-0940 | 443-433-0945 |
443-433-2XXX: 443-433-2130 | 443-433-2135 | 443-433-2139 | 443-433-2195 | 443-433-2197 | 443-433-2198 | 443-433-2400 | 443-433-2434 | 443-433-2447 | 443-433-2453 | 443-433-2454 | 443-433-2455 |
443-433-3XXX: 443-433-3200 | 443-433-3220 | 443-433-3222 | 443-433-3224 | 443-433-3231 |
443-433-5XXX: 443-433-5900 | 443-433-5990 | 443-433-5997 | 443-433-5998 | 443-433-5999 |
443-433-8XXX: 443-433-8000 | 443-433-8009 | 443-433-8030 | 443-433-8033 | 443-433-8038 | 443-433-8080 | 443-433-8303 | 443-433-8304 | 443-433-8311 | 443-433-8318 | 443-433-8319 | 443-433-8383 | 443-433-8900 | 443-433-8901 | 443-433-8907 | 443-433-8970 | 443-433-8971 | 443-433-8975 |
443-433-9XXX: 443-433-9000 | 443-433-9002 | 443-433-9003 | 443-433-9010 | 443-433-9020 | 443-433-9500 | 443-433-9550 | 443-433-9580 | 443-433-9585 | 443-433-9588 |