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 19–36 of 187 listings for this prefix.

Low activity Landline

(443) 400-1028

Baltimore, Maryland

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

(443) 400-1048

Baltimore, Maryland

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

(443) 400-1068

Baltimore, Maryland

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

(443) 400-1088

Baltimore, Maryland

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

(443) 400-1108

Baltimore, Maryland

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

(443) 400-1128

Baltimore, Maryland

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

(443) 400-1148

Baltimore, Maryland

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

(443) 400-1168

Baltimore, Maryland

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

(443) 400-1188

Baltimore, Maryland

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

(443) 400-1208

Baltimore, Maryland

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

(443) 400-1228

Baltimore, Maryland

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

(443) 400-1248

Baltimore, Maryland

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

(443) 400-1268

Baltimore, Maryland

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

(443) 400-1288

Baltimore, Maryland

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

(443) 400-1308

Baltimore, Maryland

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

(443) 400-1328

Baltimore, Maryland

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

(443) 400-1348

Baltimore, Maryland

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

(443) 400-1368

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.