| ACM | Manchester Public Library | ACP | Peebles Branch Library | * |
| ACN | North Adams Branch Library | ACP | Peebles Branch Library | * |
| ACO | Adams County Outreach | ACP | Peebles Branch Library | * |
| ACP | Peebles Branch Library | ACP | Peebles Branch Library | |
| ACW | West Union Branch Library | ACP | Peebles Branch Library | * |
| ADA | Ada Public Library | ADA | Ada Public Library | |
| ADB | Ashtabula Bookmobile | ADG | Geneva Public Library | * |
| ADE | Edgewood High School | ADG | Geneva Public Library | * |
| ADG | Geneva Public Library | ADL | Ashtabula Public Library | * |
| ADI | Lakeside Jr. High School | ADL | Ashtabula Public Library | * |
| ADK | Lakeside High School | ADL | Ashtabula Public Library | * |
| ADL | Ashtabula Public Library | ADL | Ashtabula Public Library | |
| ADP | Pymatuning Valley | Andover PL | Andover Public Library | * |
| ADS | St. Johns School | ADS | St. Johns School | |
| ADT | A-Tech Vocational School | ADT | A-Tech Vocational School | |
| ADX | Ashtabula Home Delivery | ADG | Geneva Public Library | * |
| ALG | Alger Public Library | ALG | Alger Public Library | |
| ASB | Ashland Bookmobile | ASH | Ashland Public Library | * |
| ASH | Ashland Public Library | ASH | Ashland Public Library | |
| ATT | Seneca East Public Library | ATT | Seneca East Public Library | |
| BAR | Barnesville Hutton Memorial Public Library | BAR | Barnesville Hutton Memorial Public Library | |
| BBL | Williams Co Lockers | BBR | Williams Co Public Library | * |
| BBR | Williams Co Public Library | BBR | Williams Co Public Library | |
| BCF | Fayetteville-Perry Branch Library | BCF | Fayetteville-Perry Branch Library | |
| BCG | Georgetown Library | BCG | Georgetown Library | |
| BCM | Mt. Orab Library | BCM | Mt. Orab Library | |
| BCS | Sardinia Library | BCS | Sardinia Library | |
| BDO | Bowerston Public Library | BDO | Bowerston Public Library | |
| BED | Edon Branch Library | BBR | Williams Co Public Library | * |
| BEG | Edgerton Branch Library | BBR | Williams Co Public Library | * |
| BEL | Bellaire Public Library | BEL | Bellaire Public Library | |
| BLU | Bluffton Public Library | BLU | Bluffton Public Library | |
| BML | Bliss Memorial Public Library | BML | Bliss Memorial Public Library | |
| BPI | Pioneer Branch Library | BBR | Williams Co Public Library | * |
| BRC | Convoy Branch | BRU | Brumback Library | * |
| BRI | Willshire Branch | BRU | Brumback Library | * |
| BRM | Middle Point Branch | BRU | Brumback Library | * |
| BRO | Ohio City Branch | BRU | Brumback Library | * |
| BRU | Brumback Library | BRU | Brumback Library | |
| BRW | Wren Branch | BRU | Brumback Library | * |
| BST | Stryker Branch Library | BBR | Williams Co Public Library | * |
| BUC | Bucyrus Public Library | BUC | Bucyrus Public Library | |
| BWN | Brown Memorial Library | BWN | Brown Memorial Library | |
| BWU | West Unity Branch Library | BBR | Williams Co Public Library | * |
| CAL | Caldwell Public Library | CAL | Caldwell Public Library | |
| CALC | Caldwell Schools | CAL | Caldwell Public Library | * |
| CBM | Coshocton Bookmobile | CPL | Coshocton Co District Library | * |
| CCB | Carroll Co Bookmobile | CCC | Carroll Co District Library | * |
| CCC | Carroll Co District Library | CCC | Carroll Co District Library | |
| CCM | Malvern Branch | CCC | Carroll Co District Library | * |
| CDE | Dennison Branch | CUH | Claymont Public Library | * |
| CEL | Carnegie Public Library - East Liverpool | CEL | Carnegie Public Library - East Liverpool | |
| CFP | Canal Fulton Public Library | CFP | Canal Fulton Public Library | |
| CHA24 | Adelphia Bookhive | CHI | Chillicothe And Ross Co Public Library | * |
| CHC24 | Clarksburg Bookhive | CHI | Chillicothe And Ross Co Public Library | * |
| CHH | Howard S. Young Branch Library | CHH | Howard S. Young Branch Library | |
| CHI | Chillicothe And Ross Co Public Library | CHI | Chillicothe And Ross Co Public Library | |
| CHK | Kingston Branch Library | CHK | Kingston Branch Library | |
| CHL | The Bee Mobile Library | CHI | Chillicothe And Ross Co Public Library | * |
| CHM24 | Massieville Bookhive | CHI | Chillicothe And Ross Co Public Library | * |
| CHN | Northside Branch Library | CHN | Northside Branch Library | |
| CHO | CRCPL Library at Home | CHI | Chillicothe And Ross Co Public Library | * |
| CHP | Paxton Branch Library | CHP | Paxton Branch Library | |
| CHR | Richmond Dale Branch | CHR | Richmond Dale Branch | |
| CHS | South Salem Branch Library | CHS | South Salem Branch Library | |
| CHZ24 | Northside Bookhive | CHN | Northside Branch Library | * |
| CPL | Coshocton Co District Library | CPL | Coshocton Co District Library | |
| CUH | Claymont Public Library | CUH | Claymont Public Library | |
| CWL | West Lafayette | CPL | Coshocton Co District Library | * |
| DCP | Dorcas Carey Public Library | DCP | Dorcas Carey Public Library | |
| DEH | Hamler Branch Library | DES | Deshler Memorial Library | * |
| DEL | Delphos Public Library | DEL | Delphos Public Library | |
| DES | Deshler Memorial Library | DES | Deshler Memorial Library | |
| DJM | Johnson Memorial Branch Library | DPL | Defiance Public Library | * |
| DPL | Defiance Public Library | DPL | Defiance Public Library | |
| DPL24 | Defiance 24/7 Lockers | DPL | Defiance Public Library | * |
| DPX | Defiance Mobile Express Branch | DPL | Defiance Public Library | * |
| DSB | Sherwood Branch Library | DPL | Defiance Public Library | * |
| DUU | Hardin Northern Public Library | DUU | Hardin Northern Public Library | |
| ECL | Evergreen Community Library | ECL | Evergreen Community Library | |
| ECL24 | Evergreen Lockers | ECL | Evergreen Community Library | * |
| ELG | Genoa Branch Library | ELG | Genoa Branch Library | |
| ELL | Harris-Elmore Public Library | ELL | Harris-Elmore Public Library | |
| ESB | Eaton Schools-Bruce Elementary | ESB | Eaton Schools-Bruce Elementary | |
| ESE | Eaton Schools- East Elementary | ESB | Eaton Schools-Bruce Elementary | * |
| ESH | Eaton High School | ESB | Eaton Schools-Bruce Elementary | * |
| ESM | Eaton Middle School | ESB | Eaton Schools-Bruce Elementary | * |
| FIA | Arlington Branch Library | FIN | Findlay Hancock Co Public Library | * |
| FIB | Findlay-Hancock Co Pl Bookmobile | FIN | Findlay Hancock Co Public Library | * |
| FIN | Findlay Hancock Co Public Library | FIN | Findlay Hancock Co Public Library | |
| FJP | Forest-Jackson Public Library | FJP | Forest-Jackson Public Library | |
| FTR | Fort Recovery Public Library | FTR | Fort Recovery Public Library | |
| GAL | Galion Public Library | GAL | Galion Public Library | |
| GCB | Byesville Branch Library | GCB | Byesville Branch Library | |
| GCC | Guernsey Co District Public Library | GCC | Guernsey Co District Public Library | |
| GCO | Guernsey Co Outreach | GCT | Crossroads Branch Library | * |
| GCT | Crossroads Branch Library | GCT | Crossroads Branch Library | |
| GER | Germantown Public Library | GER | Germantown Public Library | |
| GES | Germantown Public Library Spartan Branch | GER | Germantown Public Library | * |
| GNA | Gnadenhutten Public Library | GNA | Gnadenhutten Public Library | |
| GTS | Gratis Public Library | GTS | Gratis Public Library | |
| GVP | Grand Valley Public Library | GVP | Grand Valley Public Library | |
| GWE | Eastern Branch Library | GWM | Garnet A. Wilson Public Library Of Pike County | * |
| GWM | Garnet A. Wilson Public Library Of Pike County | GWM | Garnet A. Wilson Public Library Of Pike County | |
| GWO | Garnet A. Wilson Outreach | GWM | Garnet A. Wilson Public Library Of Pike County | * |
| GWP | Piketon Branch Library | GWM | Garnet A. Wilson Public Library Of Pike County | * |
| GWW | Western Branch Library | GWM | Garnet A. Wilson Public Library Of Pike County | * |
| HBE | Hiland School District | HCO | Holmes Co District Public Library | * |
| HBO | Holmes Co Public Library Bookmobile | HCO | Holmes Co District Public Library | * |
| HCO | Holmes Co District Public Library | HCO | Holmes Co District Public Library | |
| HGR | Greenfield Branch Library | HGR | Greenfield Branch Library | |
| HHI | Hillsboro Public Library | HHI | Hillsboro Public Library | |
| HLE | Leesburg Branch Library | HLE | Leesburg Branch Library | |
| HLY | Lynchburg Branch Library | HLY | Lynchburg Branch Library | |
| HMR | Homer Public Library | HMR | Homer Public Library | |
| HOL | Holgate Community Library | HOL | Holgate Community Library | |
| HRF | Rocky Fork Branch | HRF | Rocky Fork Branch | |
| HRP | Ridgemont Public Library | HRP | Ridgemont Public Library | |
| HRR | Ridgeway Branch Library | HRP | Ridgemont Public Library | * |
| HTC | Holmes Co Training Center | HCO | Holmes Co District Public Library | * |
| HUR | Hurt/Battelle Memorial Library | HUR | Hurt/Battelle Memorial Library | |
| HWB | West Holmes Local School | HCO | Holmes Co District Public Library | * |
| HWC | East Branch Library | HCO | Holmes Co District Public Library | * |
| KAB | Kaubisch Bookmobile | KAU | Kaubisch Memorial Public Library | * |
| KAU | Kaubisch Memorial Public Library | KAU | Kaubisch Memorial Public Library | |
| KLC | Chesterhill Branch Library | KLC | Chesterhill Branch Library | |
| KLK | Kate Love Simpson Bookmobile | KLS | Kate Love Simpson-Morgan Co Library | * |
| KLS | Kate Love Simpson-Morgan Co Library | KLS | Kate Love Simpson-Morgan Co Library | |
| LBO | LCL Licking Co Bookmobile | LNE | LCL Licking Co Library | * |
| LBR | LCL 24-Hour Kiosk COTC Pataskala Campus | LNE | LCL Licking Co Library | * |
| LCP | Liberty Center Public Library | LCP | Liberty Center Public Library | |
| LDU | LCL Downtown Newark Drive-Up Window | LNE | LCL Licking Co Library | * |
| LEE | Leetonia Community Public Library | LEE | Leetonia Community Public Library | |
| LHE | LCL Hebron Library | LNE | LCL Licking Co Library | * |
| LLP | LCL 24-Hour Kiosk Legacy Park Hanover | LNE | LCL Licking Co Library | * |
| LMB | LCL Johnstown Mary E. Babcock | LMB | LCL Johnstown Mary E. Babcock | |
| LMD | LCL West Newark E R Miller Drive-Up Window | LNE | LCL Licking Co Library | * |
| LMI | LCL West Newark Emerson R. Miller Library | LNE | LCL Licking Co Library | * |
| LNE | LCL Licking Co Library | LNE | LCL Licking Co Library | |
| LOD | Degraff Branch Library | LOG | Knowlton Library | * |
| LOG | Knowlton Library | LOG | Knowlton Library | |
| LOK | Knowlton Library Lockers | LOG | Knowlton Library | * |
| LOL | Lakeview Branch Library | LOG | Knowlton Library | * |
| LOM | West Mansfield Branch Library | LOG | Knowlton Library | * |
| LOR | Rushsylvania Branch Library | LOG | Knowlton Library | * |
| LOU | Loudonville Public Library | LOU | Loudonville Public Library | |
| LOU24 | Perrysville Branch | LOU | Loudonville Public Library | * |
| LOW | West Liberty Branch Library | LOG | Knowlton Library | * |
| LSL | Louisville Lockers | LSV | Louisville Public Library | * |
| LSV | Louisville Public Library | LSV | Louisville Public Library | |
| LUD | LCL Utica Branch Drive-Up Window | LUT | LCL Utica Branch Library | * |
| LUT | LCL Utica Branch Library | LUT | LCL Utica Branch Library | |
| MAR | Marvin Memorial Library | MAR | Marvin Memorial Library | |
| MBE | Bethesda Branch Library | MBE | Bethesda Branch Library | |
| MBK | Belmont Co Bookmobile | MFP | Belmont Co District Library | * |
| MBR | Bridgeport Branch Library | MBR | Bridgeport Branch Library | |
| MCB | McComb Public Library | MCB | McComb Public Library | |
| MCC | Mercer Co District Library | MCC | Mercer Co District Library | |
| MCL | Mohawk Community Library | MCL | Mohawk Community Library | |
| MCM | Zahn-Marion Branch Library | MCM | Zahn-Marion Branch Library | |
| MCS | St. Henry Branch Library | MCS | St. Henry Branch Library | |
| MCU | Mendon Union Branch Library | MCU | Mendon Union Branch Library | |
| MCV | Mendon Lockers | MCU | Mendon Union Branch Library | * |
| MEC | Mechanicsburg Public Library | MEC | Mechanicsburg Public Library | |
| MFP | Belmont Co District Library | MFP | Belmont Co District Library | |
| MGP | Mt. Gilead Public Library | MGP | Mt. Gilead Public Library | |
| MIL | Milton Union Public Library | MIL | Milton Union Public Library | |
| MIN | Minerva Public Library | MIN | Minerva Public Library | |
| MON | Monroe Co District Library | MON | Monroe Co District Library | |
| MOS | Dally Memorial Library | MOS | Dally Memorial Library | |
| MPL | Monroeville Public Library | MPL | Monroeville Public Library | |
| MPO | Powhatan Point Branch Library | MPO | Powhatan Point Branch Library | |
| MSH | Shadyside Branch Library | MSH | Shadyside Branch Library | |
| MSL | Mt Sterling Public Library | MSL | Mt Sterling Public Library | |
| MSL24 | Midway Lockers | MSL | Mt Sterling Public Library | * |
| MTP | Montpelier Public Library | MTP | Montpelier Public Library | |
| MVI | Victoria Read Branch Library | MVI | Victoria Read Branch Library | |
| NAF | Florida Public Branch Library | NAP | Napoleon Public Library | * |
| NAM | McClure Community Library | NAP | Napoleon Public Library | * |
| NAP | Napoleon Public Library | NAP | Napoleon Public Library | |
| NBA | North Baltimore Public Library | NBA | North Baltimore Public Library | |
| NCP | New Carlisle Public Library | NCP | New Carlisle Public Library | |
| NCT | Newcomerstown Public Library | NCT | Newcomerstown Public Library | |
| NLL | New London Public Library | NLL | New London Public Library | |
| NLS | New London Schools | NLL | New London Public Library | * |
| NMA | New Madison Public Library | NMA | New Madison Public Library | |
| NML | Normal Memorial Library | NML | Normal Memorial Library | |
| NTS | National Trail Schools | PRD | Preble Co District Office | * |
| OHH | Oak Harbor Public Library | OHH | Oak Harbor Public Library | |
| PCB | Perry Co Bookmobile | PNL | Perry Co District Library | * |
| PCE | Erie Islands Branch Library | PCL | Ida Rupp Public Library (Port Clinton) | * |
| PCL | Ida Rupp Public Library (Port Clinton) | PCL | Ida Rupp Public Library (Port Clinton) | |
| PCM | Marblehead Peninsula Branch Library | PCM | Marblehead Peninsula Branch Library | |
| PCO | Corning Branch Library | PCO | Corning Branch Library | |
| PCR | Crooksville Branch Library | PCR | Crooksville Branch Library | |
| PEL | Luckey Branch Library | PEM | Pemberville Public Library | * |
| PEM | Pemberville Public Library | PEM | Pemberville Public Library | |
| PES | Stony Ridge Branch Library | PEM | Pemberville Public Library | * |
| PJC | Junction City Branch Library | PJC | Junction City Branch Library | |
| PKM | Perry Cook Memorial Library | PKM | Perry Cook Memorial Library | |
| PKV | Perry Cook Van | PKM | Perry Cook Memorial Library | * |
| PLE | Erie Island Hold Locker | PCL | Ida Rupp Public Library (Port Clinton) | * |
| PLL | Ida Rupp Hold Locker | PCL | Ida Rupp Public Library (Port Clinton) | * |
| PLM | Marblehead Hold Locker | PCM | Marblehead Peninsula Branch Library | * |
| PNL | Perry Co District Library | PNL | Perry Co District Library | |
| PPC | Clark Memorial Branch Library | PPC | Clark Memorial Branch Library | |
| PPL | Puskarich Public Library | PPL | Puskarich Public Library | |
| PPS | Scio Branch Library | PPS | Scio Branch Library | |
| PRA | West Alexandria Branch Library | PRD | Preble Co District Office | * |
| PRC | Camden Branch Library | PRD | Preble Co District Office | * |
| PRD | Preble Co District Office | PRD | Preble Co District Office | |
| PRE | Eaton Branch Library | PRD | Preble Co District Office | * |
| PRK | West Elkton Branch Library | PRD | Preble Co District Office | * |
| PRL | Eldorado Branch Library | PRD | Preble Co District Office | * |
| PRM | West Manchester Branch Library | PRD | Preble Co District Office | * |
| PRP | New Paris Branch Library | PRD | Preble Co District Office | * |
| PRR | Preble Co Room | PRD | Preble Co District Office | * |
| PSC | Preble Shawnee Schools- Camden | PSS | Preble Shawnee Schools- Sr. High | * |
| PSJ | Preble Shawnee Schools- Jr. High | PSS | Preble Shawnee Schools- Sr. High | * |
| PSO | Somerset Branch Library | PSO | Somerset Branch Library | |
| PSS | Preble Shawnee Schools- Sr. High | PSS | Preble Shawnee Schools- Sr. High | |
| PTC | Continental Branch Library | PTM | Putnam Co District Library | * |
| PTF | Fort Jennings Branch Library | PTM | Putnam Co District Library | * |
| PTG | Columbus Grove Branch Library | PTM | Putnam Co District Library | * |
| PTH | Thornville Branch Library | PTH | Thornville Branch Library | |
| PTK | Kalida Branch Library | PTM | Putnam Co District Library | * |
| PTL | Leipsic Branch Library | PTM | Putnam Co District Library | * |
| PTM | Putnam Co District Library | PTM | Putnam Co District Library | |
| PTO | Ottoville Branch Library | PTM | Putnam Co District Library | * |
| PTP | Pandora Branch Library | PTM | Putnam Co District Library | * |
| PTX | Ottawa Lockers | PTM | Putnam Co District Library | * |
| PTY | Kalida Lockers | PTM | Putnam Co District Library | * |
| PTZ | Ottoville Lockers | PTM | Putnam Co District Library | * |
| RNU | Richwood-North Union Public Library | RNU | Richwood-North Union Public Library | |
| ROB | Rodman Branch Library | ROD | Rodman Public Library | * |
| ROC | Rockford Carnegie Library | ROC | Rockford Carnegie Library | |
| ROD | Rodman Public Library | ROD | Rodman Public Library | |
| ROK | Rodman Bookmobile | ROD | Rodman Public Library | * |
| ROS | Rossford Public Library | ROS | Rossford Public Library | |
| SCC | St. Clairsville Curbside | STC | St. Clairsville Public Library | * |
| SEO | SEO Service Center | SEO | SEO Service Center | |
| SMA | St. Marys Community Public Library | SMA | St. Marys Community Public Library | |
| SML | St. Marys Lockers | SMA | St. Marys Community Public Library | * |
| STA | Adena Branch Library | STA | Adena Branch Library | |
| STB | Brilliant Branch Library | STB | Brilliant Branch Library | |
| STC | St. Clairsville Public Library | STC | St. Clairsville Public Library | |
| STD | Dillonvale-Mount Pleasant Branch Library | STD | Dillonvale-Mount Pleasant Branch Library | |
| STE | Public Library Of Steubenville & Jefferson County | STE | Public Library Of Steubenville & Jefferson County | |
| STK | Steubenville Bookmobile | STE | Public Library Of Steubenville & Jefferson County | * |
| STL | Tiltonsville Branch Library | STL | Tiltonsville Branch Library | |
| STS | Schiappa Branch Library | STS | Schiappa Branch Library | |
| STT | Toronto Branch Library | STT | Toronto Branch Library | |
| TBO | Tuscarawas Co Mobile Services/Bookmobile | TCO | Tuscarawas Co Public Library | * |
| TCL | Tuscarawas Co Lockers | TCO | Tuscarawas Co Public Library | * |
| TCL01 | Sugarcreek Riesbeck's Lockers | TCO | Tuscarawas Co Public Library | * |
| TCO | Tuscarawas Co Public Library | TCO | Tuscarawas Co Public Library | |
| TCP | Tipp City Public Library | TCP | Tipp City Public Library | |
| TDU | Tuscarawas Main Drive Up | TCO | Tuscarawas Co Public Library | * |
| TEO | Emma Huber Memorial Branch Library | TCO | Tuscarawas Co Public Library | * |
| TIF | Tiffin-Seneca Public Library | TIF | Tiffin-Seneca Public Library | |
| TOR | Tuscarawas Co Outreach | TCO | Tuscarawas Co Public Library | * |
| TSO | Sugarcreek Branch Library | TCO | Tuscarawas Co Public Library | * |
| TTO | Tuscarawas Branch Library | TCO | Tuscarawas Co Public Library | * |
| TVA | Twin Valley Schools | TVA | Twin Valley Schools | |
| TVO | Bolivar Branch-Roy Parks Memorial Library | TCO | Tuscarawas Co Public Library | * |
| USC | Upper Sandusky Community Library | USC | Upper Sandusky Community Library | |
| UTA | Aberdeen Branch Library | UTA | Aberdeen Branch Library | |
| UTP | Union Township Public Library | UTP | Union Township Public Library | |
| UTR | Russellville Branch Library | UTP | Union Township Public Library | * |
| WAS | Way Schools | WAY | Way Public Library | * |
| WAY | Way Public Library | WAY | Way Public Library | |
| WCB | Belpre Branch Library | WCB | Belpre Branch Library | |
| WCH | Carnegie Public Library - Washington Court House | WCH | Carnegie Public Library - Washington Court House | |
| WCH24 | Washington Courthouse 24/7 Pickup Lockers | WCH | Carnegie Public Library - Washington Court House | * |
| WCL | Beverly Branch Library (Lyman-Pomeroy) | WCL | Beverly Branch Library (Lyman-Pomeroy) | |
| WCM | Washington County Public Library | WCM | Washington County Public Library | |
| WCN | New Matamoras Branch Library | WCN | New Matamoras Branch Library | |
| WCR | Barlow Branch Library | WCR | Barlow Branch Library | |
| WCW | Lafayette Branch Library | WCW | Lafayette Branch Library | |
| WEG | Grand Rapids Branch Library | WEG | Grand Rapids Branch Library | |
| WES | Weston Public Library | WES | Weston Public Library | |
| WIG | Greenwich Branch Library | WIG | Greenwich Branch Library | |
| WIL | Huron Co Community Library (Willard) | WIL | Huron Co Community Library (Willard) | |
| WIN | North Fairfield Branch Library | WIN | North Fairfield Branch Library | |
| WIN24 | Willard Lockers | WIL | Huron Co Community Library (Willard) | * |
| WIW | Wakeman Branch Library | WIW | Wakeman Branch Library | |
| WNE | Wayne Public Library | WNE | Wayne Public Library | |
| WOD | Wood Co District Public Library | WOD | Wood Co District Public Library | |
| WOJ | Wood County Justic Center | WOD | Wood Co District Public Library | * |
| WOK | Wood Co Bookmobile | WOD | Wood Co District Public Library | * |
| WOW | Walbridge Branch Library | WOW | Walbridge Branch Library | |
| WPL | Wauseon Public Library | WPL | Wauseon Public Library | |