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443-603

You are reviewing the Area Code (NPA/NXX) report for 443-603. Did you mean to search the SMS short code 443603?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number443603
Basic Format443-603
NPA (Area Code)443
NXX603

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
443-603-0XXX829JPAETEC ITEL, LLCANNAPOLISRTANNAPOLISMDMA
443-603-1XXX829JPAETEC ITEL, LLCANNAPOLISRTANNAPOLISMDMA
443-603-2XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCANNAPOLISAS04/13/2005ANNAPOLISMDMA05/01/2005
443-603-3XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCANNAPOLISAS04/13/2005ANNAPOLISMDMA05/01/2005
443-603-4XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCANNAPOLISAS04/17/2006ANNAPOLISMDMA05/12/2006
443-603-5XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCANNAPOLISAS04/17/2006ANNAPOLISMDMA05/12/2006
443-603-6XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCANNAPOLISAS04/17/2006ANNAPOLISMDMA05/12/2006
443-603-7XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCANNAPOLISAS04/17/2006ANNAPOLISMDMA05/12/2006
443-603-8XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCANNAPOLISAS04/17/2006ANNAPOLISMDMA05/12/2006
443-603-9XXX829JPAETEC ITEL, LLCANNAPOLISRTANNAPOLISMDMA
443-603-XXXX829JPAETEC ITEL, LLCANNAPOLISASANNAPOLISMD

Business/Government Phones on the 443-603 Prefix

PhoneNameAddress
443-603-5940Super Electric LLC
443-603-0758Patient First2051 West Street US
443-603-6324Rocky Gap State Park17600 Campers Hill Drive Flintstone 21530 US

Reports

Anonymous User from , MD

May 17, 2025 at 1:24 AM

443-603-3420 reported as a Live Voice or Other. Received on May 16, 2025 at 5:10 PM.

Anonymous User from Philadelphia, PA

January 1, 2025 at 2:07 AM

443-603-6652 reported as a Live Voice. Received on December 31, 2024 at 1:00 PM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Pasadena, Maryland

December 12, 2024 at 1:54 PM

443-603-1075 reported as a Robocall. Received on December 11, 2024 at 11:39 AM.

Anonymous User from Owings Mills, Maryland

September 24, 2024 at 11:49 AM

443-603-1075 reported as a unwanted call. Received on September 23, 2024 at 1:01 PM.
Call for Dropped call or no message

Anonymous User from Laurel, Maryland

September 16, 2024 at 11:22 AM

443-603-1075 reported as a Live Voice or Other. Received on September 16, 2024 at 11:19 AM.

Most 'popular' numbers on this prefix:

443-603-1XXX: 443-603-1000 | 443-603-1001 | 443-603-1003 | 443-603-1070 | 443-603-1071 | 443-603-1078 | 443-603-1500 | 443-603-1520 | 443-603-1524 | 443-603-1525 | 443-603-1547 | 443-603-1554 |
443-603-4XXX: 443-603-4731 | 443-603-4734 | 443-603-4737 |
443-603-5XXX: 443-603-5740 | 443-603-5745 | 443-603-5747 | 443-603-5757 | 443-603-5783 | 443-603-5787 | 443-603-5962 | 443-603-5967 | 443-603-5969 |
443-603-6XXX: 443-603-6600 | 443-603-6652 | 443-603-6653 | 443-603-6656 |
443-603-7XXX: 443-603-7500 | 443-603-7506 | 443-603-7560 | 443-603-7562 | 443-603-7569 | 443-603-7970 | 443-603-7975 | 443-603-7977 | 443-603-7995 | 443-603-7997 | 443-603-7998 |
443-603-8XXX: 443-603-8111 | 443-603-8115 | 443-603-8118 | 443-603-8181 | 443-603-8187 | 443-603-8188 |