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Area Code 219
Telephone Central Office
Building Pictures
The following are representative examples of telephone central office buildings in Area Code 219 (Northern Indiana).
Click on the pictures below for a larger version.
Chesterton
Listing Updated:
May 2024Operating Company:
Frontier/Verizon/GTECLLI:
CHTNINXADS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(219) 395, 921, 926, 928-9, 983Notes:
Source: GSV
Crown Point
Listing Updated:
April 2024Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
CRPNINCXDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(219) 226, 661-3Notes:
Source: GSV
Dyer
"Schererville"
Listing Updated:
June 2024Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
SCVLINDYDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(219) 322, 864-5Notes:
Source: GSV
East Chicago
Listing Updated:
September 2024Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
ECHCINECDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(219) 378, 391-2, 397-9, 703Notes:
Source: GSV
Gary
"Glen Ross"
Listing Updated:
September 2024Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
GARYINGRDS0Switch Type:
Nokia/Siemens EWSD DE5Prefixes Served:
(219) 884, 887, 980-1, 985Notes:
Source: GSV
Gary
"Miller"
Listing Updated:
April 2024Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
GARYINGMDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(219) 938-9Notes:
Source: GSV
Gary
"North"
Listing Updated:
June 2024Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
GARYINGODS0Switch Type:
Ribbon/Genband/Nortel DMS-100/200Prefixes Served:
(219) 880-3, 885-6, 888Notes:
Source: GSV
Gary
"West"
Listing Updated:
May 2024Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
GARYINGWDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(219) 944, 949, 977Notes:
Source: GSV
Hammond
"East"
Listing Updated:
July 2024Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
HMNDINHEDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(219) 554, 838, 844-5, 923, 972, 989Notes:
Also serves parts of Highland. Source: GSV
Hammond
"West"
Listing Updated:
May 2024Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
HMNDINHWDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(219) 513, 836, 852-3, 931-3, 937Notes:
Also serves parts of Highland. Source: GSV
Hebron
Listing Updated:
May 2024Operating Company:
Northwestern Indiana Telephone CompanyCLLI:
HBRNINXHDS0Switch Type:
Nokia/Siemens EWSDPrefixes Served:
(219) 345, 394, 987-8, 996Notes:
Serves multiple ratecenters. Source: GSV
Highland
Listing Updated:
June 2024Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
HGLDINHLDS0Switch Type:
Nokia/Siemens EWSD DE4Prefixes Served:
(219) 922, 924, 934Notes:
Source: GSV
Hobart
Listing Updated:
June 2023Operating Company:
Frontier/Verizon/GTECLLI:
HBRTINXADS0Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAXPrefixes Served:
(219) 942, 945, 947Notes:
Source: GSV
La Porte
"Main"
Listing Updated:
July 2024Operating Company:
Frontier/Verizon/GTECLLI:
LAPTINXCDS0Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAXPrefixes Served:
(219) 324-6, 362Notes:
Source: GSV
Lake Station
Listing Updated:
August 2024Operating Company:
Frontier/Verizon/GTECLLI:
LKSTINXADS0Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAXPrefixes Served:
(219) 962-3Notes:
Source: GSV
Lowell
"Main"
Listing Updated:
May 2024Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
LWLLIN01DS0Switch Type:
Nokia/Siemens EWSD DE5Prefixes Served:
(219) 690, 696Notes:
Source: GSV
Merrillville
Listing Updated:
September 2024Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
MEVLINMXDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(219) 641, 644, 647-50, 660, 680-2, 685, 736, 738, 751-2, 755-7, 769, 783, 791, 793-6Notes:
Source: GSV
Michigan City
Listing Updated:
July 2024Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
MCCYIN01DS0Switch Type:
Nokia/Siemens EWSDPrefixes Served:
(219) 861, 871-4, 877-9Notes:
Source: GSV
Portage
"Main"
Listing Updated:
June 2024Operating Company:
Frontier/Verizon/GTECLLI:
PRTGINXADS0Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAXPrefixes Served:
(219) 762-4Notes:
Source: GSV
Portage
"North"
Listing Updated:
May 2024Operating Company:
Frontier/Verizon/GTECLLI:
PRTGINXBDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(219) 734, 787, 841, 940Notes:
Also serves part of Hobart ratecenter. Source: GSV
Rensselaer
Listing Updated:
October 2023Operating Company:
Brightspeed/CenturyLink/ Embarq/ Sprint/ United TelephoneCLLI:
RNSLINXADS0Switch Type:
DRMPrefixes Served:
(219) 866Notes:
Source: GSV
Valparaiso
Listing Updated:
May 2024Operating Company:
Frontier/Verizon/GTECLLI:
VLPRINXADS1Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(219) 263, 462, 464-5, 476-7, 531, 548Notes:
Source: GSV
Wheeler
Listing Updated:
April 2024Operating Company:
Frontier/Verizon/GTECLLI:
WHLRINXADS0Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAXPrefixes Served:
(219) 364, 759Notes:
Source: GSV
Whiting
Listing Updated:
September 2024Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
WHNGINWTDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(219) 473, 659Notes:
Source: GSV
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Copyright 2025 Telephone Central Office Building
Pictures |