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 37–54 of 187 listings for this prefix.

Low activity Landline

(443) 400-1388

Baltimore, Maryland

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

(443) 400-1408

Baltimore, Maryland

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

(443) 400-1428

Baltimore, Maryland

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

(443) 400-1448

Baltimore, Maryland

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

(443) 400-1468

Baltimore, Maryland

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

(443) 400-1488

Baltimore, Maryland

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

(443) 400-1508

Baltimore, Maryland

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

(443) 400-1528

Baltimore, Maryland

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

(443) 400-1548

Baltimore, Maryland

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

(443) 400-1568

Baltimore, Maryland

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

(443) 400-1588

Baltimore, Maryland

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

(443) 400-1608

Baltimore, Maryland

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

(443) 400-1628

Baltimore, Maryland

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

(443) 400-1648

Baltimore, Maryland

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

(443) 400-1668

Baltimore, Maryland

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

(443) 400-1688

Baltimore, Maryland

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

(443) 400-1708

Baltimore, Maryland

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

(443) 400-1728

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.