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 145–162 of 187 listings for this prefix.

Low activity Landline

(443) 400-3548

Baltimore, Maryland

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

(443) 400-3568

Baltimore, Maryland

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

(443) 400-3588

Baltimore, Maryland

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

(443) 400-3608

Baltimore, Maryland

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

(443) 400-3628

Baltimore, Maryland

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

(443) 400-3648

Baltimore, Maryland

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

(443) 400-3668

Baltimore, Maryland

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

(443) 400-3688

Baltimore, Maryland

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

(443) 400-3708

Baltimore, Maryland

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

(443) 400-3728

Baltimore, Maryland

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

(443) 400-3748

Baltimore, Maryland

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

(443) 400-3768

Baltimore, Maryland

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

(443) 400-3788

Baltimore, Maryland

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

(443) 400-3808

Baltimore, Maryland

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

(443) 400-3828

Baltimore, Maryland

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

(443) 400-3848

Baltimore, Maryland

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

(443) 400-3868

Baltimore, Maryland

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

(443) 400-3888

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.