National Phone Number Registry NPNR

Area Code 857 Location

Area code 857 is currently assigned for use in Massachusetts since May 02, 2001. This area code originated from the 617 area code previously by means of area code split or overlay. View all phone prefixes used in area code 857 or other area codes in Massachusetts.

(857)
Enter 7-digit phone number for area code 857 or the complete 10-digit phone number

Phone Prefixes for Area Code 857

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Area code Location Company / Service Provider
857-200 BOSTON, MA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
857-201 WINTHROP, MA SPRINT SPECTRUM L.P.
857-202 BOSTON, MA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
857-203 Jamaica Plain, MA VERIZON NEW ENGLAND INC.
857-204 BOSTON, MA OMNIPOINT MIAMI E LICENSE, LLC
857-205 BOSTON, MA NEW CINGULAR WIRELESS PCS, LLC - DC
857-206 BOSTON, MA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
857-207 BOSTON, MA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
857-208 BOSTON, MA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
857-209 CAMBRIDGE, MA BROADWING COMMUNICATIONS, LLC - MA
857-210 BOSTON, MA SPRINT SPECTRUM L.P.
857-212 DORCHESTER, MA SPRINT SPECTRUM L.P.
857-213 BOSTON, MA PAETEC COMMUNICATIONS, INC.- MA
857-214 BOSTON, MA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
857-215 BROOKLINE, MA VERIZON NEW ENGLAND INC.
857-216 NEWTON, MA YMAX COMMUNICATIONS CORP. - MA
857-217 DORCHESTER, MA SPRINT SPECTRUM L.P.
857-218 BROOKLINE, MA VERIZON NEW ENGLAND INC.
857-219 NEWTON, MA NEUTRAL TANDEM-MASSACHUSETTS, LLC - MA
857-220 DORCHESTER, MA BROADVIEW NETWORKS, INC. - MA
857-221 BOSTON, MA SPRINT SPECTRUM L.P.
857-222 BOSTON, MA OMNIPOINT MIAMI E LICENSE, LLC
857-223 BOSTON, MA CTC COMMUNICATIONS CORP. - MA
857-224 BOSTON, MA VERIZON NEW ENGLAND INC.
857-225 BROOKLINE, MA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
857-226 NEWTON, MA DSCI, LLC
857-227 SOMERVILLE, MA MCIMETRO ACCESS TRANSMISSION SERVICES LLC
857-228 WATERTOWN, MA CTC COMMUNICATIONS CORP. - MA
857-229 NEWTON, MA CTC COMMUNICATIONS CORP. - MA
857-230 ROXBURY, MA OMNIPOINT MIAMI E LICENSE, LLC
857-231 NEWTON, MA SPRINT SPECTRUM L.P.
857-232 NEWTON, MA NEUTRAL TANDEM-MASSACHUSETTS, LLC - MA
857-233 BOSTON, MA SPRINT SPECTRUM L.P.
857-234 BROOKLINE, MA OMNIPOINT MIAMI E LICENSE, LLC
857-235 CAMBRIDGE, MA VERIZON NEW ENGLAND INC.
857-236 BOSTON, MA METRO PCS, INC.
857-237 BOSTON, MA METRO PCS, INC.
857-238 BOSTON, MA VERIZON NEW ENGLAND INC.
857-239 BOSTON, MA CBEYOND COMMUNICATIONS, LLC - MA
857-240 NEWTON, MA PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA
857-241 BOSTON, MA BROADWING COMMUNICATIONS, LLC - MA
857-242 CAMBRIDGE, MA DSCI, LLC
857-243 BOSTON, MA BROADVOX-CLEC, LLC - MA
857-244 BOSTON, MA BANDWIDTH.COM CLEC, LLC - MA
857-245 BROOKLINE, MA YMAX COMMUNICATIONS CORP. - MA
857-246 BOSTON, MA METRO PCS, INC.
857-247 BOSTON, MA METRO PCS, INC.
857-248 BOSTON, MA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
857-249 BOSTON, MA METRO PCS, INC.
857-250 BOSTON, MA OMNIPOINT MIAMI E LICENSE, LLC
New numbers being added to 857 area code
Effective: 05/19/2017
857-663 in DORCHESTER, MA
DSCI, LLC
857 Area Code Information
Type of code: General Purpose Code
Location: MA - US
Time zone: E
Assigned for use: Yes
Code in service: Yes
Service date: May 02, 2001
In jeopardy: No
Relief in progress: No
NPA Relief status:
Code assignable: Yes
Geographic or
non-geographic:
G
Reserved for future use: No
Planning letter(s): 234
Overlay code: Yes
Overlay complex: 617/857
Dialing plan Standard Permissive
Home local calls: 10D 1+10D
Foreign local calls: 10D NA
Home toll calls: 1+10D 1+10D
Foreign toll calls: 1+10D -

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