Lookup › Area code 443
443 Area Code — Baltimore, Maryland
Area code 443 serves Baltimore, MD.
Most looked-up 443 numbers
- 443-904-6175
- 443-424-0280
- 443-467-0160
- 443-799-3595
- 443-572-1876
- 443-383-4630
- 443-882-2929
- 443-927-0035
- 443-430-1474
- 443-449-9983
- 443-737-6428
- 443-251-1236
Phone prefixes in 443
- 443-799
- 443-842
- 443-443
- 443-251
- 443-626
- 443-904
- 443-449
- 443-572
- 443-645
- 443-457
- 443-465
- 443-376
- 443-737
- 443-640
- 443-818
- 443-657
- 443-882
- 443-467
- 443-866
- 443-553
- 443-869
- 443-922
- 443-723
- 443-373
- 443-717
- 443-742
- 443-579
- 443-730
- 443-545
- 443-695
- 443-602
- 443-300
- 443-754
- 443-846
- 443-383
- 443-926
- 443-927
- 443-424
- 443-515
- 443-907
- 443-430
- 443-365
- 443-562
- 443-714
- 443-653
- 443-685
- 443-891
- 443-248
- 443-252
Carriers serving 443
- T-Mobile (13 numbers)
- Verizon (10 numbers)
- At&t (7 numbers)
- Ip Horizon, LLC (4 numbers)
- Onvoy, LLC - Md (4 numbers)
- Bandwidth (2 numbers)
- Armstrong Telecommunications, (1 numbers)
- Level 3 Communications, LLC - (1 numbers)
- Core Communications, Inc. - Md (1 numbers)
- Onvoy Spectrum, LLC (1 numbers)
Frequently asked questions
Where is area code 443?
Area code 443 serves Baltimore, MD.
What prefixes are in area code 443?
Phone2.io tracks 49 phone prefixes in area code 443, with carrier and spam-report data on individual numbers.
More about area code 443
Area code 443 overview, history, and local numbers · Get a MD phone number
Last updated: February 15, 2026