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Primary City:Gaithersburg

This is the Primary City:Gaithersburg page list. Its detail is as below.
Prefix State Usage Carrier Name
(240) 224- Maryland Wireless Cellco Partnership DBA Verizon Wireless
(240) 243- Maryland Landline Allegiance Telecom
(240) 246- Maryland Landline Starpower Communications
(240) 252- Maryland Landline Level 3 Communications
(240) 306- Maryland Landline Allegiance Telecom
(240) 327- Maryland Landline Core Communications
(240) 361- Maryland Landline Cavalier Telephone Mid-atlantic
(240) 364- Maryland Landline Cavalier East LLC
(240) 372- Maryland Wireless Sprint Spectrum L.p.
(240) 386- Maryland Landline Verizon Maryland
(240) 388- Maryland Wireless Sprint Spectrum L.p.
(240) 404- Maryland Landline Xo Maryland
(240) 449- Maryland Wireless New Cingular Wireless PCS - DC
(240) 454- Maryland Wireless Paetec Communications
(240) 477- Maryland Landline Lightwave Communications
(240) 597- Maryland Landline Peerless Network Of Maryland
(240) 631- Maryland Landline Verizon Maryland
(240) 632- Maryland Landline Verizon Maryland
(240) 654- Maryland Wireless New Cingular Wireless PCS - DC
(240) 683- Maryland Landline Verizon Maryland
(240) 686- Maryland Landline Verizon Maryland
(240) 720- Maryland Landline Global Crossing Local Services-md
(240) 750- Maryland Wireless New Cingular Wireless PCS - DC
(240) 751- Maryland Landline Telcove Operations
(240) 780- Maryland Landline Broadwing Communications. LLC
(240) 793- Maryland Wireless Sprint Spectrum L.p.
(240) 801- Maryland Wireless Cellco Partnership DBA Verizon Wireless
(240) 813- Maryland Landline Atx Telecommunications Services, Ltd
(240) 848- Maryland Wireless Sprint Spectrum L.p.
(240) 912- Maryland Landline Us Lec Of Maryland