| 186 Communications | 186CRI | Verizon Service Area in RI | Rhode Island | Bristol, Kent, Newport, Providence, Washington |
| AT&T Rhode Island Mobility | ATTMRI | AT&T Mobility -
RI - all counties | Rhode Island | Bristol, Kent, Newport, Providence, Washington |
| Barrington Fire Department | BARRFD | Barrington, RI | Rhode Island | Bristol |
| Block Island - New Shoreham, RI | BLKISL | Block Island (New Shoreham, RI) | Rhode Island | Washington |
| Bristol Fire Department | BRISFD | Bristol, RI | Rhode Island | Bristol |
| Broadview Networks | BRVWRI | Entire State of Rhode Island | Rhode Island | Bristol, Kent, Newport, Providence, Washington |
| Burrillville Fire Department | BURRFD | Burrillville, RI | Rhode Island | Providence |
| CCG Communications | VTPRI | Veroxity Technology Partners service area in Rhode Island | Rhode Island | Bristol, Kent, Newport, Providence, Washington |
| Central Falls Fire Department | CEFAFD | Central Falls, RI | Rhode Island | Providence |
| City of Central Falls | CTYCFA | City of Central Falls | Rhode Island | Providence |
| City of Charlestown | CTYCHT | City of Charlestown, RI | Rhode Island | Washington |
| City of Cranston | CRANSL | City of Cranston, Providence County | Rhode Island | Providence |
| City of Cumberland | CTYCMB | City of Cumberland, RI | Rhode Island | Providence |
| City of Hopkinton | CTYHPK | City of Hopkinton, RI | Rhode Island | Washington |
| City of Little Compton | CTYLCO | City of Little Compton, RI | Rhode Island | Newport |
| City of North Providence | CTYNPR | City of North Providence, RI | Rhode Island | Providence |
| City of North Smithfield | CTYNSM | City of North Smithfield, RI | Rhode Island | Providence |
| City of Providence | CTYPRV | City of Providence, RI | Rhode Island | Providence |
| City of Richmond | CTYRCH | City of Richmond, RI | Rhode Island | Washington |
| City of Tiverton | CTYTIV | City of Tiverton, RI | Rhode Island | Newport |
| City of Warren | CTYWAR | City of Warren, RI | Rhode Island | Bristol |
| City of West Warwick | CTYWWK | City of West Warwick, RI | Rhode Island | Kent |
| Coventry Fire Department | COVYFD | Coventry, RI | Rhode Island | Kent |
| Cox Communications | COXRI | All of Rhode Island with the exception of Block Island | Rhode Island | Bristol, Kent, Newport, Providence, Washington |
| Cranston Fire Department | CRANFD | Cranston, RI | Rhode Island | Providence |
| Cumberland Fire Department | CUMBFD | Cumberland, RI | Rhode Island | Providence |
| East Greenwich Fire Department | EGREFD | Kent | Rhode Island | Kent |
| East Providence Fire Department | EPROFD | Providence | Rhode Island | Providence |
| Exeter Fire Department | EXTRFD | Washington | Rhode Island | Washington |
| Extenet Systems | XNETRI | All of Rhode Island | Rhode Island | Bristol, Kent, Newport, Providence, Washington |
| Fibertech Networks | FBTCRI | All of Rhode Island | Rhode Island | Bristol, Kent, Newport, Providence, Washington |
| Foster Fire Department | FSTRFD | Providence | Rhode Island | Providence |
| Glocester Fire Department | GLOCFD | Providence | Rhode Island | Providence |
| Hopkinton Fire Department | HOPKRI | Washington, RI | Rhode Island | Washington |
| Jamestown Fire Department | JMTNFD | Newport | Rhode Island | Newport |
| Lightower Fiber Networks | LTFRI | Lightower Fiber Networks service area in Rhode Island | Rhode Island | Bristol, Kent, Newport, Providence, Washington |
| Lincoln Fire Department | LNCNRI | Lincoln, RI | Rhode Island | Providence |
| Little Compton Fire Department | LCMPRI | Little Compton, RI | Rhode Island | Newport |
| Middletown Fire Department | MDTWRI | Middletown, RI | Rhode Island | Newport |
| Narragansett Fire Department | NRGTRI | Narragansett, RI | Rhode Island | Washington |
| National Grid | NGRI | All cities and towns in Rhode Island except Burrillville | Rhode Island | Bristol, Kent, Newport, Providence, Washington |
| NEON Communications | NEONRI | NEON Communications Inc service area in Rhode Island | Rhode Island | Bristol, Kent, Newport, Providence, Washington |
| New Shoreham Fire Department | NSHMRI | New Shoreham, RI | Rhode Island | Washington |
| Newport Fire Department | NWPTRI | Newport, RI | Rhode Island | Newport |
| Non-participating 3rd Party Attacher - Rhode Island | NP3PRI | Non-participating 3rd Party Attacher - Rhode Island | Rhode Island | Bristol, Kent, Newport, Providence, Washington |
| Non-participating Fire Alarms - Rhode Island | NPFARI | Non-participating Fire Alarms - Rhode Island | Rhode Island | Bristol, Kent, Newport, Providence, Washington |
| Non-participating Street Light - Rhode Island | NPSLRI | Non-participating Street Light - Rhode Island | Rhode Island | Bristol, Kent, Newport, Providence, Washington |
| North Kingstown Fire Department | NKFD | North Kingstown, RI | Rhode Island | Washington |
| North Providence Fire Department | NPVDRI | North Providence, RI | Rhode Island | Providence |
| North Smithfield Fire Department | NSTFRI | North Smithfield, RI | Rhode Island | Providence |
| OpenCape Corporation | OPENRI | Providence County: OpenCape owns and operates at fiber network in Providence County, RI. East Providence, Pawtucket and Providence proper | Rhode Island | Providence |
| Pascoag Utility District | PASUTD | RI - Villages of Pascoag and Harrisville in Burrillville, RI, zipcodes 02859 and 02830 | Rhode Island | Providence |
| Pawtucket Fire Department | PWKTRI | Pawtucket, RI | Rhode Island | Providence |
| Portsmouth Fire Department | PRTHRI | Portsmouth, RI | Rhode Island | Newport |
| Providence Department of Public Works | PVDDPW | City of Providence, Rhode Island | Rhode Island | Providence |
| Providence Fire Department | PVDCRI | Providence, RI | Rhode Island | Providence |
| Richmond Fire Department | RCMDRI | Richmond | Rhode Island | Washington |
| South Kingstown Fire Department | SKGNRI | South Kingstown, RI | Rhode Island | Washington |
| Teleport Communications Boston | TCGRI | Non-participating member code for Teleport in Rhode Island - Formerly TCG New Jersey | Rhode Island | Bristol, Kent, Newport, Providence, Washington |
| Tiverton Fire Department | TVTNRI | Tiverton, RI | Rhode Island | Newport |
| Town of Barrington | TWNBRG | Town of Barrington, RI | Rhode Island | Bristol |
| Town of Bristol | TWNBSL | Town of Bristol, RI | Rhode Island | Bristol |
| Town of Johnston | TWNJHN | Town of Johnston, RI | Rhode Island | Providence |
| Town of Westerly | TWNWSL | Town of Westerly Rhode Island in Washington County | Rhode Island | Washington |
| Verizon Rhode Island | VZRINO | ASHTON, BARRINGTON, BLACKSTONE, BRISTOL, BURRILLVILLE, CENTRAL FALLS, CENTREDALE, CUMBERLAND, EAST PROVIDENCE, GLOCESTER, LINCOLN, MILLVILLE, NORTH PROVIDENCE, NORTH SMITHFIELD, PASCOAG, PAWTUCKET, PROVIDENCE (BROAD), PROVIDENCE (WASH), RIVERSIDE, SCITUATE, SEEKONK, SMITHFIELD, WARREN, WOONSOCKET | Rhode Island | Bristol, Providence, Worcester |
| Verizon Rhode Island | VZRISO | ASHAWAY, CAROLINA, CHARLESTOWN, COVENTRY, CRANSTON, EAST GREENWICH, EXETER, FOSTER, HOPE VALLEY, HOPKINTON, JAMESTOWN, JOHNSTON, LITTLE COMPTON, MIDDLETOWN, NARRAGANSETT, NEW SHOREHAM (BLOCK ISL), NEWPORT, NORTH KINGSTOWN, PORTSMOUTH, RICHMOND, SOUTH KINGSTOWN, TIVERTON, WARWICK, WEEKAPAUG, WEST GREENWICH, WEST WARWICK, WESTERLY | Rhode Island | Kent, Newport, Providence, Washington |
| Verizon Rhode Island Business | VZBRI | Verizon Business in Rhode Island - Entire State | Rhode Island | Bristol, Kent, Newport, Providence, Washington |
| Verizon Wireless - Rhode Island | VZWRI | Rhode Island and all of the municipalities within the counties of Providence, Kent, Washington, Bristol, Newport | Rhode Island | Bristol, Kent, Newport, Providence, Washington |
| Warwick Fire Department | WRWKRI | Warwick, RI | Rhode Island | Kent |
| West Greenwich Fire Department | WGRNRI | West Greenwich, RI | Rhode Island | Kent |
| West Warwick Fire Department | WWRKRI | West Warwick, RI | Rhode Island | Kent |
| Westerly Fire Department | FIRWST | Town of Westerly, R.I. | Rhode Island | Washington |
| Woonsocket Fire Department | WSKTRI | Woonsocket, RI | Rhode Island | Providence |