Maryland
12 AT&T copper wire centers filed for retirement. Earliest retirement date: 2025-07-02.
| CLLI Code | City | Status | Retirement Date | Notice |
|---|---|---|---|---|
| CYVLMDCKDS0 | Cockeysville | Retired | 2025-07-02 | View Filing |
| ESSXMDEXDS0 | Essex | Retired | 2025-07-02 | View Filing |
| ANNPMDANPS1 | Essex | Retired | 2025-07-02 | View Filing |
| STLDMDSLDS0 | Hyattsville | Retired | 2025-07-02 | View Filing |
| HYVLMDHYPS0 | Hyattsville | Retired | 2025-07-02 | View Filing |
| TMHLMDTHDS0 | Temple Hills | Retired | 2026-04-30 | View Filing |
| HYVLMDCMDS0 | Hyattsville | Retired | 2026-04-30 | View Filing |
| BLTMMDUVDS0 | Baltimore | Retired | 2026-06-29 | View Filing |
| SLSPMDNBDS0 | Silver Spring | Retired | 2026-06-29 | View Filing |
| DNDLMDDNDS0 | Dundalk | Retired | 2026-07-29 | View Filing |
| SLSPMDSSDS0 | Silver Spring | Retired | 2026-08-01 | View Filing |
| PKVLMDPKDS0 | Parkville | Retired | 2026-08-28 | View Filing |
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8 citiesReplacing POTS Lines in Maryland
Elevator Emergency Phone
ASME A17.1 requires a live-attendant emergency phone in every cab. When copper retires, that phone goes silent.
See options →Fire Alarm Panel
NFPA 72-compliant fire alarm monitoring depends on a working phone line. Copper retirement puts your panel offline.
See options →Fax Machine
Healthcare and legal faxing depends on analog lines. Digital fax adapters maintain compliance after copper retires.
See options →Security System
Burglar alarms, gate intercoms, and access control systems that dial out over POTS lose their connection when copper retires.
See options →Have POTS lines in Maryland?
Upload your phone bill to see which lines are in retiring wire centers and compare replacement options.
Free Audit at POTSAudit.com