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Area Code 740
Telephone Central Office
Building Pictures
The following are representative examples of telephone central office buildings in Area Code 740 (Ohio).
Click on the pictures below for a larger version.
Athens
"Shade"
Listing Updated:
August 2020Operating Company:
Frontier/Verizon/GTECLLI:
ATHNOHXADS0Switch Type:
Nokia/Alcatel/Lucant/Automatic Electric GTD-5 EAXPrefixes Served:
(740) 566, 589, 592-4, 597, 696, 818Notes:
Source: GSV
Cadiz
Listing Updated:
August 2020Operating Company:
Frontier/Verizon/GTECLLI:
CADZOHXADS0Switch Type:
Nokia/Alcatel/Lucant/Automatic Electric GTD-5 EAXPrefixes Served:
(740) 832, 942Notes:
Source: GSV
Chillicothe
Listing Updated:
August 2020Operating Company:
Horizon Telcom/Chillicothe Telephone CompanyCLLI:
CHLCOHXA77GSwitch Type:
Nokia/Siemens EWSDPrefixes Served:
(740) 540, 702, 772-5, 779Notes:
Source: GSV
Circleville
Listing Updated:
August 2020Operating Company:
Frontier/Verizon/GTECLLI:
CRVLOHXADS0Switch Type:
Nokia/Alcatel/Lucant/Automatic Electric GTD-5 EAXPrefixes Served:
(740) 430, 474, 477Notes:
Source: GSV
Coshocton
Listing Updated:
August 2020Operating Company:
at&t/SBC/Ameritech/Ohio BellCLLI:
CSTNOH6262CSwitch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(740) 291, 295, 575, 622-3Notes:
Source: GSV
Delaware
Listing Updated:
August 2020Operating Company:
Frontier/Verizon/GTECLLI:
DLWROHXADS0Switch Type:
Nokia/Alcatel/Lucant/Automatic Electric GTD-5 EAXPrefixes Served:
(740) 362-3, 368-9, 833Notes:
Source: GSV
Gallipolis
Listing Updated:
August 2020Operating Company:
at&t/SBC/Ameritech/Ohio BellCLLI:
GLPLOH4444CSwitch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(740) 339, 441, 446, 925Notes:
Source: GSV
Lancaster
Listing Updated:
August 2020Operating Company:
at&t/SBC/Ameritech/Ohio BellCLLI:
LNCSOH6565FSwitch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(740) 277, 652-4, 681, 687, 689Notes:
Source: GSV
Marietta
Listing Updated:
August 2020Operating Company:
at&t/SBC/Ameritech/Ohio BellCLLI:
MRTTOH3737GSwitch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(740) 373-4, 376, 568Notes:
Source: GSV
Marion
"Main"
Listing Updated:
August 2020Operating Company:
Frontier/Verizon/GTECLLI:
MARNOHXCDS1Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(740) 223, 375, 382-3, 387Notes:
Source: GSV
Mount Vernon
Listing Updated:
August 2020Operating Company:
Brightspeed/Centurylink/Embarq/Sprint/United TelephoneCLLI:
MTVROHXA39ESwitch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(740) 392-3, 397, 399Notes:
Source: GSV
Newark
"XA"
Listing Updated:
August 2020Operating Company:
Windstream/AlltelCLLI:
NWRKOHXA34CSwitch Type:
Ribbon/Genband/Nortel DMS-100/200Prefixes Served:
(740) 328, 345, 349, 670Notes:
Source: GSV
Newark
"XB"
Listing Updated:
August 2020Operating Company:
Windstream/AlltelCLLI:
NWRKOHXB36CSwitch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(740) 364, 366, 755Notes:
Source: GSV
Newark
"XC"
Listing Updated:
August 2020Operating Company:
Windstream/AlltelCLLI:
NWRKOHXCRS1Switch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(740) 344, 348Notes:
Source: GSV
Newark
"XD"
Listing Updated:
August 2020Operating Company:
Windstream/AlltelCLLI:
NWRKOHXD32ASwitch Type:
Ribbon/Genband/Nortel DMS-10
Prefixes Served:
(740) 323Notes:
Source: GSV
Newark
"Heath"
Listing Updated:
August 2020Operating Company:
Windstream/AlltelCLLI:
HETHOHXARL0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(740) 522, 788Notes:
Source: GSV
Portsmouth
"Main"
Listing Updated:
August 2020Operating Company:
Frontier/Verizon/GTECLLI:
PTMOOHXADS0Switch Type:
Nokia/Alcatel/Lucant/Automatic Electric GTD-5 EAXPrefixes Served:
(740) 351, 353-6Notes:
Source: GSV
Portsmouth
"Lucasville"
Listing Updated:
August 2020Operating Company:
Frontier/Verizon/GTECLLI:
LUVLOHXADS0Switch Type:
Nokia/Alcatel/Lucant/Automatic Electric GTD-5 EAXPrefixes Served:
(740) 259Notes:
Source: GSV
Steubenville
"26"
Listing Updated:
August 2020Operating Company:
at&t/SBC/Ameritech/Ohio BellCLLI:
SBVIOH2626ESwitch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(740) 264, 266, 346Notes:
Source: GSV
Steubenville
"28"
Listing Updated:
August 2020Operating Company:
at&t/SBC/Ameritech/Ohio BellCLLI:
SBVIOH28DS1Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(740) 282-4Notes:
Source: GSV
Washington Court House
Listing Updated:
August 2020Operating Company:
at&t/SBC/Ameritech/Ohio Bell
CLLI:
WACHOH3333CSwitch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(740) 333, 335, 620, 636Notes:
Source: GSV
Zanesville
Listing Updated:
August 2020Operating Company:
at&t/SBC/Ameritech/Ohio BellCLLI:
ZNVLOH4545ESwitch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(740) 450, 452-5, 586, 588Notes:
Source: GSV
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