Maryland Statewide Trunking Interoperability Talkgroup Research

Talkgroups

Only included systems are Maryland State and County P25 systems that appear to be integrated in this plan are listed in detail. Other Counties are listed with reasons limiting interoperability.

State Agencies

• 71xx = Maryland Transportation Authority ||MAA,FiRST||
• 73xx = Maryland State Police ||FiRST||
• 78xx = Maryland DGS Police ||FiRST||
• 81xx = Maryland Tac Talkgroups ||FiRST||
• 117xx = Central Maryland Area Regional Communications [CMARC] (Central MD)

Maryland Counties

Anne Arundel

• (not utilizing P25)

Baltimore || BCo P25 ||

• 94xx-95xx = Baltimore County FD (and Misc)
• 96xx = Baltimore County PD (and Misc)
• 97xx-98xx = Baltimore County Services

Baltimore City || BC P25 ||

• 90xx = Baltimore City FD
• 91xx = Baltimore Police
• 92xx = Baltimore City Services

Calvert

Caroline ||FiRST||

Carroll || Carroll ||

Cecil ||FiRST||

Charles || FiRST ||

Dorcheser || FiRST ||

Frederick

• 540x = Frederick County Sheriffs Office
• 544x-548x = Frederick County FD
• 549x-553x = Frederick County Services

Garrett ||FiRST||

Harford ||CMARC||

Howard

Kent ||FiRST||

• 128xx

Montgomery

• (not utilizing P25)

Prince George || PG Co ||

• (not with current talkgroups)

Queen Anne's ||FiRST||

Somerset

St. Mary's St. Mary's Co

• (current talkgroups out of range)

Talbot

Washington ||FiRST||

• 134xx-135xx

Wicomico

Worcester || Wor Co ||

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