{
  "as_of": "2026-07-10",
  "source": "FCC Section 214 discontinuance filings and network change disclosures (fcc.gov/general/domestic-section-214-discontinuance-service), encoded quarterly",
  "tiers": {
    "CRITICAL": "Filed retirement within 180 days (notice already issued)",
    "HIGH": "AT&T/Frontier/Lumen area with copper signals confirmed",
    "MEDIUM": "Known copper carrier area, no specific retirement signal",
    "LOW": "Possible copper dependency, no carrier signal confirmed",
    "NONE": "No copper dependency indicators"
  },
  "carriers": {
    "att": "AT&T",
    "frontier": "Frontier",
    "lumen": "Lumen (CenturyLink)",
    "windstream": "Windstream",
    "consolidated": "Consolidated Communications"
  },
  "record_count": 45,
  "records": [
    {
      "carrier": "att",
      "carrier_name": "AT&T",
      "state": "AR",
      "retirement_date": null,
      "program_status": "AT&T Arkansas copper retirement ongoing",
      "high_risk_carrier": true
    },
    {
      "carrier": "att",
      "carrier_name": "AT&T",
      "state": "CA",
      "retirement_date": null,
      "program_status": "AT&T California NID-to-fiber program active",
      "high_risk_carrier": true
    },
    {
      "carrier": "att",
      "carrier_name": "AT&T",
      "state": "FL",
      "retirement_date": null,
      "program_status": "AT&T Florida copper retirement ongoing",
      "high_risk_carrier": true
    },
    {
      "carrier": "att",
      "carrier_name": "AT&T",
      "state": "GA",
      "retirement_date": null,
      "program_status": "AT&T Georgia copper retirement ongoing",
      "high_risk_carrier": true
    },
    {
      "carrier": "att",
      "carrier_name": "AT&T",
      "state": "IL",
      "retirement_date": null,
      "program_status": "AT&T Illinois copper retirement program active",
      "high_risk_carrier": true
    },
    {
      "carrier": "att",
      "carrier_name": "AT&T",
      "state": "IN",
      "retirement_date": null,
      "program_status": "AT&T Indiana copper retirement ongoing",
      "high_risk_carrier": true
    },
    {
      "carrier": "att",
      "carrier_name": "AT&T",
      "state": "KS",
      "retirement_date": null,
      "program_status": "AT&T Kansas copper retirement ongoing",
      "high_risk_carrier": true
    },
    {
      "carrier": "att",
      "carrier_name": "AT&T",
      "state": "MI",
      "retirement_date": null,
      "program_status": "AT&T Michigan copper retirement ongoing",
      "high_risk_carrier": true
    },
    {
      "carrier": "att",
      "carrier_name": "AT&T",
      "state": "MO",
      "retirement_date": null,
      "program_status": "AT&T Missouri copper retirement ongoing",
      "high_risk_carrier": true
    },
    {
      "carrier": "att",
      "carrier_name": "AT&T",
      "state": "NV",
      "retirement_date": null,
      "program_status": "AT&T Nevada copper retirement ongoing",
      "high_risk_carrier": true
    },
    {
      "carrier": "att",
      "carrier_name": "AT&T",
      "state": "OH",
      "retirement_date": null,
      "program_status": "AT&T Ohio copper retirement ongoing",
      "high_risk_carrier": true
    },
    {
      "carrier": "att",
      "carrier_name": "AT&T",
      "state": "OK",
      "retirement_date": null,
      "program_status": "AT&T Oklahoma copper retirement ongoing",
      "high_risk_carrier": true
    },
    {
      "carrier": "att",
      "carrier_name": "AT&T",
      "state": "TN",
      "retirement_date": null,
      "program_status": "AT&T Tennessee copper retirement ongoing",
      "high_risk_carrier": true
    },
    {
      "carrier": "att",
      "carrier_name": "AT&T",
      "state": "TX",
      "retirement_date": null,
      "program_status": "AT&T Texas copper retirement ongoing \u2014 multiple WCs filed",
      "high_risk_carrier": true
    },
    {
      "carrier": "att",
      "carrier_name": "AT&T",
      "state": "WI",
      "retirement_date": null,
      "program_status": "AT&T Wisconsin copper retirement ongoing",
      "high_risk_carrier": true
    },
    {
      "carrier": "consolidated",
      "carrier_name": "Consolidated Communications",
      "state": "ME",
      "retirement_date": null,
      "program_status": "Consolidated ME copper retirement",
      "high_risk_carrier": true
    },
    {
      "carrier": "consolidated",
      "carrier_name": "Consolidated Communications",
      "state": "NH",
      "retirement_date": null,
      "program_status": "Consolidated NH copper-to-fiber migration",
      "high_risk_carrier": true
    },
    {
      "carrier": "consolidated",
      "carrier_name": "Consolidated Communications",
      "state": "VT",
      "retirement_date": null,
      "program_status": "Consolidated VT copper-to-fiber migration",
      "high_risk_carrier": true
    },
    {
      "carrier": "frontier",
      "carrier_name": "Frontier",
      "state": "CA",
      "retirement_date": null,
      "program_status": "Frontier CA copper retirement active",
      "high_risk_carrier": true
    },
    {
      "carrier": "frontier",
      "carrier_name": "Frontier",
      "state": "CT",
      "retirement_date": null,
      "program_status": "Frontier CT copper-to-fiber active \u2014 high priority",
      "high_risk_carrier": true
    },
    {
      "carrier": "frontier",
      "carrier_name": "Frontier",
      "state": "FL",
      "retirement_date": null,
      "program_status": "Frontier FL copper retirement",
      "high_risk_carrier": true
    },
    {
      "carrier": "frontier",
      "carrier_name": "Frontier",
      "state": "NY",
      "retirement_date": null,
      "program_status": "Frontier NY copper retirement",
      "high_risk_carrier": true
    },
    {
      "carrier": "frontier",
      "carrier_name": "Frontier",
      "state": "OH",
      "retirement_date": null,
      "program_status": "Frontier OH copper retirement",
      "high_risk_carrier": true
    },
    {
      "carrier": "frontier",
      "carrier_name": "Frontier",
      "state": "PA",
      "retirement_date": null,
      "program_status": "Frontier PA copper retirement",
      "high_risk_carrier": true
    },
    {
      "carrier": "frontier",
      "carrier_name": "Frontier",
      "state": "TX",
      "retirement_date": null,
      "program_status": "Frontier TX legacy copper retirement",
      "high_risk_carrier": true
    },
    {
      "carrier": "frontier",
      "carrier_name": "Frontier",
      "state": "WV",
      "retirement_date": null,
      "program_status": "Frontier WV copper retirement",
      "high_risk_carrier": true
    },
    {
      "carrier": "lumen",
      "carrier_name": "Lumen (CenturyLink)",
      "state": "AL",
      "retirement_date": null,
      "program_status": "Lumen AL copper exit",
      "high_risk_carrier": true
    },
    {
      "carrier": "lumen",
      "carrier_name": "Lumen (CenturyLink)",
      "state": "CO",
      "retirement_date": null,
      "program_status": "Lumen CO mass-market copper exit",
      "high_risk_carrier": true
    },
    {
      "carrier": "lumen",
      "carrier_name": "Lumen (CenturyLink)",
      "state": "IA",
      "retirement_date": null,
      "program_status": "Lumen IA copper exit",
      "high_risk_carrier": true
    },
    {
      "carrier": "lumen",
      "carrier_name": "Lumen (CenturyLink)",
      "state": "ID",
      "retirement_date": null,
      "program_status": "Lumen ID copper exit",
      "high_risk_carrier": true
    },
    {
      "carrier": "lumen",
      "carrier_name": "Lumen (CenturyLink)",
      "state": "LA",
      "retirement_date": null,
      "program_status": "Lumen LA copper exit",
      "high_risk_carrier": true
    },
    {
      "carrier": "lumen",
      "carrier_name": "Lumen (CenturyLink)",
      "state": "MN",
      "retirement_date": null,
      "program_status": "Lumen MN copper exit",
      "high_risk_carrier": true
    },
    {
      "carrier": "lumen",
      "carrier_name": "Lumen (CenturyLink)",
      "state": "MT",
      "retirement_date": null,
      "program_status": "Lumen MT copper exit",
      "high_risk_carrier": true
    },
    {
      "carrier": "lumen",
      "carrier_name": "Lumen (CenturyLink)",
      "state": "ND",
      "retirement_date": null,
      "program_status": "Lumen ND copper exit",
      "high_risk_carrier": true
    },
    {
      "carrier": "lumen",
      "carrier_name": "Lumen (CenturyLink)",
      "state": "NE",
      "retirement_date": null,
      "program_status": "Lumen NE copper exit",
      "high_risk_carrier": true
    },
    {
      "carrier": "lumen",
      "carrier_name": "Lumen (CenturyLink)",
      "state": "NM",
      "retirement_date": null,
      "program_status": "Lumen NM copper exit",
      "high_risk_carrier": true
    },
    {
      "carrier": "lumen",
      "carrier_name": "Lumen (CenturyLink)",
      "state": "OR",
      "retirement_date": null,
      "program_status": "Lumen OR copper exit",
      "high_risk_carrier": true
    },
    {
      "carrier": "lumen",
      "carrier_name": "Lumen (CenturyLink)",
      "state": "SD",
      "retirement_date": null,
      "program_status": "Lumen SD copper exit",
      "high_risk_carrier": true
    },
    {
      "carrier": "lumen",
      "carrier_name": "Lumen (CenturyLink)",
      "state": "WA",
      "retirement_date": null,
      "program_status": "Lumen WA copper exit",
      "high_risk_carrier": true
    },
    {
      "carrier": "lumen",
      "carrier_name": "Lumen (CenturyLink)",
      "state": "WY",
      "retirement_date": null,
      "program_status": "Lumen WY copper exit",
      "high_risk_carrier": true
    },
    {
      "carrier": "windstream",
      "carrier_name": "Windstream",
      "state": "AR",
      "retirement_date": null,
      "program_status": "Windstream AR rural copper retirement",
      "high_risk_carrier": true
    },
    {
      "carrier": "windstream",
      "carrier_name": "Windstream",
      "state": "GA",
      "retirement_date": null,
      "program_status": "Windstream GA rural copper retirement",
      "high_risk_carrier": true
    },
    {
      "carrier": "windstream",
      "carrier_name": "Windstream",
      "state": "KY",
      "retirement_date": null,
      "program_status": "Windstream KY rural copper retirement",
      "high_risk_carrier": true
    },
    {
      "carrier": "windstream",
      "carrier_name": "Windstream",
      "state": "NC",
      "retirement_date": null,
      "program_status": "Windstream NC rural copper retirement",
      "high_risk_carrier": true
    },
    {
      "carrier": "windstream",
      "carrier_name": "Windstream",
      "state": "SC",
      "retirement_date": null,
      "program_status": "Windstream SC rural copper retirement",
      "high_risk_carrier": true
    }
  ]
}