857 Area Code

State: Massachusetts

Major City: Boston

  • Admission to Statehood:
    February 6, 1788 (6th State)
  • Constitution:
    Massachusetts's Constitution , 6th State
  • Nickname:
    Bay State
  • Population (2013):
    6,692,824; Rank: 14 of 50 | Population Quick Facts

Area:

  • Area: 10,555 sq.mi (27,337 sq.km.), 44th
  • Land: 7,838 sq.mi. (20,300 sq.km.), 45th
  • Water: 2,717 sq.mi. (7,037 sq.km.), 17th
  • Coastline: 192 mi. (309 km.), 10th
  • Shoreline: 1,519 mi. (2,445 km.), 15th

Area Code 857

Map:

Area Code Prefix Usage Primary City Carrier Introduced
857 (857) 200- Wireless Boston Cellco Partnership DBA Verizon Wireless 01/10/2011
857 (857) 201- Wireless Winthrop Sprint Spectrum L.p. 10/28/2002
857 (857) 202- Wireless Boston Cellco Partnership DBA Verizon Wireless 11/10/2011
857 (857) 203- Landline Jamaica Plain Verizon New England Inc. 02/28/2005
857 (857) 204- Landline Boston Omnipoint Miami E License 03/20/2001
857 (857) 205- Wireless Boston New Cingular Wireless PCS - DC 03/19/2001
857 (857) 206- Wireless Boston Cellco Partnership DBA Verizon Wireless 10/07/2011
857 (857) 207- Wireless Boston Cellco Partnership DBA Verizon Wireless 04/11/2007
857 (857) 208- Wireless Boston Cellco Partnership DBA Verizon Wireless 02/08/2012
857 (857) 209- Landline Cambridge Broadwing Communications 10/11/2001
857 (857) 210- Wireless Boston Sprint Spectrum L.p. 03/10/2011
857 (857) 212- Wireless Boston Sprint Spectrum L.p. 04/23/2001
857 (857) 213- Landline Boston Paetec Communications 10/03/2011
857 (857) 214- Wireless Boston Cellco Partnership DBA Verizon Wireless 12/06/2011
857 (857) 215- Landline Brookline Verizon New England Inc. 02/23/2010
857 (857) 216- Landline Cambridge Ymax Communications Corp. 11/03/2009
857 (857) 217- Landline Dorchester Sprint Spectrum L.p. 06/30/2001
857 (857) 218- Landline Brookline Verizon New England Inc. 01/12/2007
857 (857) 219- Landline Boston Neutral Tandem-massachusetts 02/16/2012
857 (857) 220- Landline Dorchester Broadview Networks 03/20/2001
857 (857) 221- Wireless Boston Sprint Spectrum L.p. 05/25/2005
857 (857) 222- Wireless Boston Omnipoint Miami E License 05/17/2001
857 (857) 223- Landline Boston Ctc Communications Corp.
857 (857) 224- Landline Boston Verizon New England Inc. 12/17/2009
857 (857) 225- Wireless Brookline Cellco Partnership DBA Verizon Wireless 05/03/2001
857 (857) 226- Landline Newton Dsci Corporation 03/30/2006
857 (857) 227- Landline Somerville Mcimetro Access Transmission Services LLC 05/23/2001
857 (857) 228- Landline Watertown Ctc Communications Corp. 07/12/2001
857 (857) 229- Landline Newton Ctc Communications Corp. 02/13/2002
857 (857) 230- Wireless Roxbury Omnipoint Miami E License 04/15/2009
857 (857) 231- Wireless Newton Sprint Spectrum L.p. 07/30/2002
857 (857) 232- Landline Newton Neutral Tandem-massachusetts 05/17/2006
857 (857) 233- Landline Boston Sprint Spectrum L.p. 02/16/2006
857 (857) 234- Wireless Brookline Omnipoint Miami E License 03/18/2002
857 (857) 235- Landline Cambridge Verizon New England Inc. 11/18/2008
857 (857) 236- Wireless Boston Metro PCS 08/04/2008
857 (857) 237- Wireless Boston Metro PCS 06/08/2009
857 (857) 238- Landline Boston Verizon New England Inc. 11/14/2007
857 (857) 239- Landline Boston Cbeyond Communications 10/29/2009
857 (857) 240- Landline Cambridge Peerless Network Of Massachusetts 02/28/2012
857 (857) 241- Landline Boston Broadwing Communications 10/24/2006
857 (857) 242- Wireless Cambridge Dsci Corporation 09/08/2011
857 (857) 243- Landline Boston Broadvox-clec 11/05/2009
857 (857) 244- Landline Boston Bandwidth.com Clec 06/10/2008
857 (857) 245- Landline Brookline Ymax Communications Corp. 11/02/2006
857 (857) 246- Wireless Boston Metro PCS 10/08/2008
857 (857) 247- Wireless Boston Metro PCS 06/08/2009
857 (857) 248- Wireless Boston Cellco Partnership DBA Verizon Wireless 03/08/2012
857 (857) 249- Wireless Boston Metro PCS 08/04/2008
857 (857) 250- Wireless Boston Omnipoint Miami E License 07/15/2011
Area Code: 857
Prefix: (857) 200-
Usage: Wireless
Primary City: Boston
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 01/10/2011
Area Code: 857
Prefix: (857) 201-
Usage: Wireless
Primary City: Winthrop
Carrier: Sprint Spectrum L.p.
Introduced: 10/28/2002
Area Code: 857
Prefix: (857) 202-
Usage: Wireless
Primary City: Boston
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 11/10/2011
Area Code: 857
Prefix: (857) 203-
Usage: Landline
Primary City: Jamaica Plain
Carrier: Verizon New England Inc.
Introduced: 02/28/2005
Area Code: 857
Prefix: (857) 204-
Usage: Landline
Primary City: Boston
Carrier: Omnipoint Miami E License
Introduced: 03/20/2001
Area Code: 857
Prefix: (857) 205-
Usage: Wireless
Primary City: Boston
Carrier: New Cingular Wireless PCS - DC
Introduced: 03/19/2001
Area Code: 857
Prefix: (857) 206-
Usage: Wireless
Primary City: Boston
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 10/07/2011
Area Code: 857
Prefix: (857) 207-
Usage: Wireless
Primary City: Boston
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 04/11/2007
Area Code: 857
Prefix: (857) 208-
Usage: Wireless
Primary City: Boston
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 02/08/2012
Area Code: 857
Prefix: (857) 209-
Usage: Landline
Primary City: Cambridge
Carrier: Broadwing Communications
Introduced: 10/11/2001
Area Code: 857
Prefix: (857) 210-
Usage: Wireless
Primary City: Boston
Carrier: Sprint Spectrum L.p.
Introduced: 03/10/2011
Area Code: 857
Prefix: (857) 212-
Usage: Wireless
Primary City: Boston
Carrier: Sprint Spectrum L.p.
Introduced: 04/23/2001
Area Code: 857
Prefix: (857) 213-
Usage: Landline
Primary City: Boston
Carrier: Paetec Communications
Introduced: 10/03/2011
Area Code: 857
Prefix: (857) 214-
Usage: Wireless
Primary City: Boston
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 12/06/2011
Area Code: 857
Prefix: (857) 215-
Usage: Landline
Primary City: Brookline
Carrier: Verizon New England Inc.
Introduced: 02/23/2010
Area Code: 857
Prefix: (857) 216-
Usage: Landline
Primary City: Cambridge
Carrier: Ymax Communications Corp.
Introduced: 11/03/2009
Area Code: 857
Prefix: (857) 217-
Usage: Landline
Primary City: Dorchester
Carrier: Sprint Spectrum L.p.
Introduced: 06/30/2001
Area Code: 857
Prefix: (857) 218-
Usage: Landline
Primary City: Brookline
Carrier: Verizon New England Inc.
Introduced: 01/12/2007
Area Code: 857
Prefix: (857) 219-
Usage: Landline
Primary City: Boston
Carrier: Neutral Tandem-massachusetts
Introduced: 02/16/2012
Area Code: 857
Prefix: (857) 220-
Usage: Landline
Primary City: Dorchester
Carrier: Broadview Networks
Introduced: 03/20/2001
Area Code: 857
Prefix: (857) 221-
Usage: Wireless
Primary City: Boston
Carrier: Sprint Spectrum L.p.
Introduced: 05/25/2005
Area Code: 857
Prefix: (857) 222-
Usage: Wireless
Primary City: Boston
Carrier: Omnipoint Miami E License
Introduced: 05/17/2001
Area Code: 857
Prefix: (857) 223-
Usage: Landline
Primary City: Boston
Carrier: Ctc Communications Corp.
Introduced:
Area Code: 857
Prefix: (857) 224-
Usage: Landline
Primary City: Boston
Carrier: Verizon New England Inc.
Introduced: 12/17/2009
Area Code: 857
Prefix: (857) 225-
Usage: Wireless
Primary City: Brookline
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 05/03/2001
Area Code: 857
Prefix: (857) 226-
Usage: Landline
Primary City: Newton
Carrier: Dsci Corporation
Introduced: 03/30/2006
Area Code: 857
Prefix: (857) 227-
Usage: Landline
Primary City: Somerville
Carrier: Mcimetro Access Transmission Services LLC
Introduced: 05/23/2001
Area Code: 857
Prefix: (857) 228-
Usage: Landline
Primary City: Watertown
Carrier: Ctc Communications Corp.
Introduced: 07/12/2001
Area Code: 857
Prefix: (857) 229-
Usage: Landline
Primary City: Newton
Carrier: Ctc Communications Corp.
Introduced: 02/13/2002
Area Code: 857
Prefix: (857) 230-
Usage: Wireless
Primary City: Roxbury
Carrier: Omnipoint Miami E License
Introduced: 04/15/2009
Area Code: 857
Prefix: (857) 231-
Usage: Wireless
Primary City: Newton
Carrier: Sprint Spectrum L.p.
Introduced: 07/30/2002
Area Code: 857
Prefix: (857) 232-
Usage: Landline
Primary City: Newton
Carrier: Neutral Tandem-massachusetts
Introduced: 05/17/2006
Area Code: 857
Prefix: (857) 233-
Usage: Landline
Primary City: Boston
Carrier: Sprint Spectrum L.p.
Introduced: 02/16/2006
Area Code: 857
Prefix: (857) 234-
Usage: Wireless
Primary City: Brookline
Carrier: Omnipoint Miami E License
Introduced: 03/18/2002
Area Code: 857
Prefix: (857) 235-
Usage: Landline
Primary City: Cambridge
Carrier: Verizon New England Inc.
Introduced: 11/18/2008
Area Code: 857
Prefix: (857) 236-
Usage: Wireless
Primary City: Boston
Carrier: Metro PCS
Introduced: 08/04/2008
Area Code: 857
Prefix: (857) 237-
Usage: Wireless
Primary City: Boston
Carrier: Metro PCS
Introduced: 06/08/2009
Area Code: 857
Prefix: (857) 238-
Usage: Landline
Primary City: Boston
Carrier: Verizon New England Inc.
Introduced: 11/14/2007
Area Code: 857
Prefix: (857) 239-
Usage: Landline
Primary City: Boston
Carrier: Cbeyond Communications
Introduced: 10/29/2009
Area Code: 857
Prefix: (857) 240-
Usage: Landline
Primary City: Cambridge
Carrier: Peerless Network Of Massachusetts
Introduced: 02/28/2012
Area Code: 857
Prefix: (857) 241-
Usage: Landline
Primary City: Boston
Carrier: Broadwing Communications
Introduced: 10/24/2006
Area Code: 857
Prefix: (857) 242-
Usage: Wireless
Primary City: Cambridge
Carrier: Dsci Corporation
Introduced: 09/08/2011
Area Code: 857
Prefix: (857) 243-
Usage: Landline
Primary City: Boston
Carrier: Broadvox-clec
Introduced: 11/05/2009
Area Code: 857
Prefix: (857) 244-
Usage: Landline
Primary City: Boston
Carrier: Bandwidth.com Clec
Introduced: 06/10/2008
Area Code: 857
Prefix: (857) 245-
Usage: Landline
Primary City: Brookline
Carrier: Ymax Communications Corp.
Introduced: 11/02/2006
Area Code: 857
Prefix: (857) 246-
Usage: Wireless
Primary City: Boston
Carrier: Metro PCS
Introduced: 10/08/2008
Area Code: 857
Prefix: (857) 247-
Usage: Wireless
Primary City: Boston
Carrier: Metro PCS
Introduced: 06/08/2009
Area Code: 857
Prefix: (857) 248-
Usage: Wireless
Primary City: Boston
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 03/08/2012
Area Code: 857
Prefix: (857) 249-
Usage: Wireless
Primary City: Boston
Carrier: Metro PCS
Introduced: 08/04/2008
Area Code: 857
Prefix: (857) 250-
Usage: Wireless
Primary City: Boston
Carrier: Omnipoint Miami E License
Introduced: 07/15/2011