6,466 source records across 50 states and Washington, DC. Records include proposals, existing facilities, regulatory references, expansions and possible duplicates. Reported status and capacity are source claims, not certified current operation or measured demand.
Snapshot: 2026-10-28. Review the linked evidence before relying on a claim. Related records and expansions must not be counted as additional facilities.
Lawrence, MA · TierPoint
Reported status: existing (mapped; status unverified)
Exact location not published.
Original source · 2026-02-09
Review note: Unnamed DOI dataset location is not a separate verified data center identity.
research-final:MA:127a3d16d02e953a3a49Littleton, MA
Reported status: approved/permitted (EPA air-permit record)
Exact location not published.
Original source · 2026-10-28
Review note: Amazon DKO1 EPA permit does not prove colocation/hyperscale data center; distinguish logistics.
research-final:MA:d3467ae6c185bf4970f9Lowell, MA · Markley Group
Reported status: operational (expansion)
Reported capacity: 50 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-15
Review note: Markley operator confirms its Lowell facility at 1 Markley Way, separate from Boston One Summer; do not infer operating load from facility area.
Markley operator confirms its Lowell facility at 1 Markley Way, separate from Boston One Summer; do not infer operating load from facility area. Evidence
Markley operator confirms its Lowell facility at 1 Markley Way, separate from Boston One Summer; do not infer operating load from facility area. Evidence
Lynn, MA · EXA Infrastructure
Reported status: operational
Exact location not published.
Original source · 2026-06-17
Review note: EXA CLS may be cable landing station/telecom facility, not automatically separate public DC; current physical building/service needed.
research-final:MA:f8e186ef5313b440bcc5Marlborough, MA · 365 Data Centers
Reported status: operational
Reported capacity: 2.8 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-07-18
Review note: 365 Data Centers confirms active facility at 250 Locke Drive, different building from TierPoint 34 St Martin.
365 Data Centers confirms active facility at 250 Locke Drive, different building from TierPoint 34 St Martin. Evidence
Marlborough, MA · Colocation America Corporation
Reported status: operational
Exact location not published.
Original source · 2026-06-17
Review note: Crown Castle 34 St Martin and TierPoint Boston-Marlborough share an exact listed address; network presence is not another physical facility.
Crown Castle 34 St Martin and TierPoint Boston-Marlborough share an exact listed address; network presence is not another physical facility. Evidence
Marlborough, MA · Mass General Brigham (formerly Partners Healthcare)
Reported status: operational
Reported capacity: 5.2 MW (scope and operation unverified)
Source reference: address match (exact): 555 FOREST ST, MARLBOROUGH, MA, 01752. Census Geocoder; not a verified facility pin.
Original source · 2026-06-15
Review note: Mass General Brigham enterprise site requires first-party building proof and duplicate resolution; not automatically public colocation.
research-final:MA:18dd2fa7f7d6ab41d150Marlborough, MA · TierPoint
Reported status: operational
Reported capacity: 14.25 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-15
Review note: TierPoint first-party lists the actual Marlborough data center at 34 St Martin Drive, distinct from Andover/365 Marlborough.
TierPoint first-party lists the actual Marlborough data center at 34 St Martin Drive, distinct from Andover/365 Marlborough. Evidence
Medford, MA · Expedient
Reported status: operational
Reported capacity: 3.2 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-15
Review note: Expedient Boston currently markets 70 Inner Belt, Somerville, already CoreSite BO1 physical building; stale Medford supplier label is not extra facility.
Expedient Boston currently markets 70 Inner Belt, Somerville, already CoreSite BO1 physical building; stale Medford supplier label is not extra facility. Evidence
Needham, MA · Digital Realty Trust, Inc.
Reported status: operational
Exact location not published.
Original source · 2026-06-17
Review note: Digital Realty current BOS14 official page identifies 128 First Avenue Needham, so generic Digital Realty BOS 128 First Ave CSV2109 and BOS14 CSV2110 refer to one operator facility.
Digital Realty current BOS14 official page identifies 128 First Avenue Needham, so generic Digital Realty BOS 128 First Ave CSV2109 and BOS14 CSV2110 refer to one operator facility. Evidence
Needham, MA · Digital Realty Trust
Reported status: operational
Reported capacity: 30 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-07-19
Review note: Digital Realty current BOS14 official page identifies 128 First Avenue Needham, so generic Digital Realty BOS 128 First Ave CSV2109 and BOS14 CSV2110 refer to one operator facility.
Digital Realty current BOS14 official page identifies 128 First Avenue Needham, so generic Digital Realty BOS 128 First Ave CSV2109 and BOS14 CSV2110 refer to one operator facility. Evidence
Current operator location page establishes BOS14 colocation at 128 First Avenue. Census normalizes First to 1st; the point is street-range interpolation. Evidence
Needham, MA · LightWave Networks
Reported status: operational
Exact location not published.
Original source · 2026-09-15
Review note: LightWave Needham supplier colo listing needs physical address/cross-tenant audit vs Digital Realty BOS14.
research-final:MA:f1af014d7cb44ccdae40Northborough, MA · Iron Mountain
Reported status: operational
Reported capacity: 3.6 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-15
Review note: Iron Mountain first-party establishes BOS-1 campus Northborough; 3.6MW is total potential critical power not observed operating IT MW.
Iron Mountain first-party establishes BOS-1 campus Northborough; 3.6MW is total potential critical power not observed operating IT MW. Evidence
Rockland, MA · FirstLight Fiber, Inc.
Reported status: operational
Exact location not published.
Original source · 2026-06-17
Review note: ColoSpace Rockland and FirstLight formerly ColoSpace represent apparent single building/operator succession; ensure exact physical tenure before source link.
ColoSpace Rockland and FirstLight formerly ColoSpace represent apparent single building/operator succession; ensure exact physical tenure before source link. Evidence
Rockland, MA · FirstLight Fiber
Reported status: operational
Exact location not published.
Original source · 2026-09-15
Review note: ColoSpace Rockland and FirstLight formerly ColoSpace represent apparent single building/operator succession; ensure exact physical tenure before source link.
ColoSpace Rockland and FirstLight formerly ColoSpace represent apparent single building/operator succession; ensure exact physical tenure before source link. Evidence
Current operator location tab and linked specification sheet establish active Rockland data center services. They do not supply a street address; third-party 1050 Hingham Street and registry geometry are not imported. Evidence
Somerville, MA · CoreSite, LLC
Reported status: operational
Exact location not published.
Original source · 2026-06-17
Review note: Both CoreSite BO1 source variants and Coresite RE 70 Innerbelt EPA record refer to one Somerville facility; EPA record is not separate operation proof.
Both CoreSite BO1 source variants and Coresite RE 70 Innerbelt EPA record refer to one Somerville facility; EPA record is not separate operation proof. Evidence
Current operator verifies continuously staffed BO1 colocation at 70 Inner Belt Road. Distinct from canonical Evocative BOS1 at 50 Inner Belt Road. Rows 2116 and 2117 are aliases, not additional facilities. Evidence
Somerville, MA · CoreSite
Reported status: operational
Exact location not published.
Original source · 2026-09-15
Review note: Both CoreSite BO1 source variants and Coresite RE 70 Innerbelt EPA record refer to one Somerville facility; EPA record is not separate operation proof.
Both CoreSite BO1 source variants and Coresite RE 70 Innerbelt EPA record refer to one Somerville facility; EPA record is not separate operation proof. Evidence
CoreSite identifies one BO1 Somerville data-center building at 70 Inner Belt Road. An operator-site alias and the EPA property-company label refer to this same address; an EPA legal record does not independently establish operation. Evidence
Somerville, MA
Reported status: approved/permitted (EPA air-permit record)
Regulatory reference: FRS facility point (stated accuracy 30 m). EPA FRS/ECHO; not a verified facility pin.
Original source · 2026-10-28
Review note: Both CoreSite BO1 source variants and Coresite RE 70 Innerbelt EPA record refer to one Somerville facility; EPA record is not separate operation proof.
Both CoreSite BO1 source variants and Coresite RE 70 Innerbelt EPA record refer to one Somerville facility; EPA record is not separate operation proof. Evidence
CoreSite identifies one BO1 Somerville data-center building at 70 Inner Belt Road. An operator-site alias and the EPA property-company label refer to this same address; an EPA legal record does not independently establish operation. Evidence
Somerville, MA · Evocative
Reported status: operational
Reported capacity: 6 MW operational (scope and operation unverified)
Exact location not published.
Original source · 2026-09-15
Review note: Evocative BOS1 supplier Somerville listing may be tenant in shared address; require first-party address/physical boundary.
research-final:MA:a190787fee03ec70fecfSomerville, MA · TOWARDEX Technologies International, Inc.
Reported status: operational
Exact location not published.
Original source · 2026-06-17
Review note: Hub Express PeeringDB facility listing cannot prove independent staffed data-center structure.
research-final:MA:a8ce1d309f63bf0e1849Somerville, MA
Reported status: approved/permitted (EPA air-permit record)
Regulatory reference: FRS facility point (stated accuracy 30 m). EPA FRS/ECHO; not a verified facility pin.
Original source · 2026-10-28
Review note: Internap EPA entity cannot establish current operating data center or separate building.
research-final:MA:6e4fb69359bc28697909Springfield, MA · Cogent Communications
Reported status: operational
Exact location not published.
Original source · 2026-10-24
Review note: Cogent Springfield supplier label needs first-party address and separate building/tenant check.
Operator brochure establishes Springfield colocation at 400 Taylor Street, corroborated by the current service directory. Census matches the complete street and ZIP. Evidence
Springfield, MA · Commonwealth of Massachusetts (state IT division)
Reported status: operational
Exact location not published.
Original source · 2026-10-24
Review note: Mass.gov DCAMM explicitly operates the Springfield Data Center; Commonwealth, DCAMM and Massachusetts State source aliases describe same official facility, not three.
Mass.gov DCAMM explicitly operates the Springfield Data Center; Commonwealth, DCAMM and Massachusetts State source aliases describe same official facility, not three. Evidence
Mass.gov DCAMM explicitly operates the Springfield Data Center; Commonwealth, DCAMM and Massachusetts State source aliases describe same official facility, not three. Evidence
State directions establish 53 Elliot Street as the Springfield Data Center; current facilities contact information corroborates the operating facility. Census matches the street and ZIP. Evidence
Springfield, MA · Crown Castle Inc.
Reported status: operational
Exact location not published.
Original source · 2026-06-17
Review note: Crown Castle 1 Federal is a carrier/colocation listing, not automatically same as Springfield state DC nor independent facility.
research-final:MA:71d01d1ba81cafe000faSpringfield, MA
Reported status: existing (EPA facility record; status unverified)
Regulatory reference: FRS facility point (stated accuracy 50 m). EPA FRS/ECHO; not a verified facility pin.
Original source · 2026-10-28
Review note: Mass.gov DCAMM explicitly operates the Springfield Data Center; Commonwealth, DCAMM and Massachusetts State source aliases describe same official facility, not three.
Mass.gov DCAMM explicitly operates the Springfield Data Center; Commonwealth, DCAMM and Massachusetts State source aliases describe same official facility, not three. Evidence
Mass.gov DCAMM explicitly operates the Springfield Data Center; Commonwealth, DCAMM and Massachusetts State source aliases describe same official facility, not three. Evidence
The Commonwealth/DCAMM Springfield Data Center is one government facility at 53 Elliot Street. Department and Commonwealth source names do not identify distinct physical buildings. Evidence
Springfield, MA · RJ Greeley Co.
Reported status: operational
Exact location not published.
Original source · 2026-06-17
Review note: Lightboard ★ Massachusetts PeeringDB listing lacks exact owner site/type evidence; may be network exchange.
research-final:MA:ad1499dfd5905f9f3491Springfield, MA · Commonwealth of Massachusetts
Reported status: operational
Reported capacity: 5.4 MW (scope and operation unverified)
Approximate locality: address match (exact): 53 ELLIOT ST, SPRINGFIELD, MA, 01105. Census Geocoder; not a verified facility pin.
Original source · 2026-07-18
Review note: Mass.gov DCAMM explicitly operates the Springfield Data Center; Commonwealth, DCAMM and Massachusetts State source aliases describe same official facility, not three.
Mass.gov DCAMM explicitly operates the Springfield Data Center; Commonwealth, DCAMM and Massachusetts State source aliases describe same official facility, not three. Evidence
Mass.gov DCAMM explicitly operates the Springfield Data Center; Commonwealth, DCAMM and Massachusetts State source aliases describe same official facility, not three. Evidence
The Commonwealth/DCAMM Springfield Data Center is one government facility at 53 Elliot Street. Department and Commonwealth source names do not identify distinct physical buildings. Evidence
Suffolk County, MA · EdgeConneX
Reported status: operational
Reported capacity: 1.5 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-15
Review note: EDCBOS01 Billerica versus BOS01 Suffolk County may be inconsistent descriptions of a single metro site, not separate facilities; operator building proof needed.
research-final:MA:e9d17d49a01e36198745Wakefield, MA · RJ Kelly
Reported status: operational
Exact location not published.
Original source · 2026-06-18
Review note: Street-address named PeeringDB record alone insufficient for independent operated facility.
research-final:MA:3144077c145ee62fae77Waltham, MA · Cogent Communications
Reported status: operational
Exact location not published.
Original source · 2026-10-24
Review note: Cogent Boston/Waltham provider entry may be tenant in existing colocation; exact address needed.
research-final:MA:fcd50bb524f104dc979b