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 73–90 of 187 listings for this prefix.

Low activity Landline

(443) 400-2108

Baltimore, Maryland

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

(443) 400-2128

Baltimore, Maryland

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

(443) 400-2148

Baltimore, Maryland

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

(443) 400-2168

Baltimore, Maryland

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

(443) 400-2188

Baltimore, Maryland

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

(443) 400-2208

Baltimore, Maryland

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

(443) 400-2228

Baltimore, Maryland

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

(443) 400-2248

Baltimore, Maryland

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

(443) 400-2268

Baltimore, Maryland

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

(443) 400-2288

Baltimore, Maryland

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

(443) 400-2308

Baltimore, Maryland

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

(443) 400-2328

Baltimore, Maryland

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

(443) 400-2348

Baltimore, Maryland

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

(443) 400-2368

Baltimore, Maryland

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

(443) 400-2388

Baltimore, Maryland

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

(443) 400-2408

Baltimore, Maryland

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

(443) 400-2428

Baltimore, Maryland

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

(443) 400-2448

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.