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Area Codes 630 & 331
Telephone Central Office
Building Pictures
The following are representative examples of telephone central office buildings in Area Codes 630 & 331 (Illinois).
Click on the pictures below for a larger version.
Bartlett
Listing Updated:
November 2011Operating Company:
at&t/SBC/Ameritech/Illinois BellCLLI:
BRTLILBTDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(630) 213, 289, 372, 483, 540, 736, 830, 837
(847) 798Notes:
Source: TCO
Bensenville
Listing Updated:
July 2020Operating Company:
at&t/SBC/Ameritech/Illinois BellCLLI:
BNSVILBVDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(630) 227, 238, 250, 285, 350, 467, 521, 595, 616. 694, 766, 773, 775, 787, 860, 875
(847) 957Notes:
Source: JDD
Glen Ellyn
Listing Updated:
July 2020Operating Company:
at&t/SBC/Ameritech/Illinois BellCLLI:
GLELILGEDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(630) 469, 545, 790, 858, 942Notes:
Source: E. Stadick
Roselle
Listing Updated:
July 2020Operating Company:
at&t/SBC/Ameritech/Illinois BellCLLI:
RSLLILRZDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(630) 295, 307, 314, 351, 529, 539, 582, 603, 612, 671, 893-4, 905, 924, 980
(847) 301, 352, 524, 534, 584, 891, 895, 923, 985Notes:
Source: E. Stadick
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Copyright 2020 Telephone Central Office Building
Pictures |