Home / Area 443 / Prefix 400
Prefix Lookup

(443) 400 Phone Number Lookup

Research phone numbers under this exchange in Baltimore, Maryland. Review carrier details, activity signals, and community caller feedback.

187number listings
0caller reports
11lookup pages

Phone Numbers in This Prefix

Browse numbers in this exchange and open any listing to view caller details, spam signals, and community feedback. Showing 55–72 of 187 listings for this prefix.

Low activity Landline

(443) 400-1748

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-1768

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-1788

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-1808

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-1828

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-1848

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-1868

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-1888

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-1908

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-1928

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-1948

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-1968

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-1988

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-2008

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-2028

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-2048

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-2068

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(443) 400-2088

Baltimore, Maryland

  • Carrier: Xo Maryland Llc
  • Exchange: 443-400
  • Report type: Reverse lookup profile
View listing

About this prefix

Area code 443 prefix 400 is organized as a reverse lookup section for Baltimore, Maryland. The page combines location metadata, carrier information, line type, number listings, and community activity in one place.

Public URLs use the exchange format 443-400, while each listing still maps back to the correct area code and prefix structure.