Area Code 860
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Code 860 (with overlay Area Code 959) (Connecticut except SW portion of the state).

Click on the pictures below for a larger version.

Bristol	Listing Updated: September 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: BRSTCT00DS0 Switch Type: Nokia/Siemens EWSD DE5 Prefixes Served: (860) 314, 582-5, 589, 766   Notes: Source: GSV
Canaan Photo 2	Listing Updated: July 2022 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: CNANCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 824 Notes: Current photo: GSV. Photo 2: May 2016
Canton Photo 2	Listing Updated: August 2022 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: CNTNCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 693 Notes: Current photo: GSV. Photo 2: May 2016
Clinton	Listing Updated: December 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: CLTNCT00RS0 Switch Type: Nokia/Siemens EWSD DE5 Remote Prefixes Served: (860) 664, 669 Notes: Source: GSV
Colchester	Listing Updated: December 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: CLCHCT00DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (860) 537 Notes: Source: GSV
Columbia	Listing Updated: December 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: CLMACT00RS4 Switch Type: Ribbon/Genband/Nortel RSC Prefixes Served: (860) x Notes: Source: GSV
Cornwall	Listing Updated: August 2009 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: CRNWCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 672 Notes: Source: GSV.
Coventry	Listing Updated: November 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: CNTYCT00RS1 Switch Type: Ribbon/Genband/Nortel RSC Prefixes Served: (860) 742 Notes: Source: GSV
Danielson	Listing Updated: August 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: DNSNCT00DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (860) 774, 779 Notes: Source: GSV
Deep River	Listing Updated: September 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: DPRVCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 526 Notes: Source: GSV
East Hampton "Main"	Listing Updated: October 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: EHTNCT00RS1 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 267, 365   Notes: Source: GSV
East Hampton "Marlborough"	Listing Updated: December 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: MRLBCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) x Notes: Source: GSV
Enfield "01 (Main)" Photo 2	Listing Updated: October 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: ENFDCT01DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 253, 741, 745-6 Notes: Current photo: GSV. Photo 2: June 2015
Enfield "02 (Hazard)"	Listing Updated: October 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: ENFDCT02DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 272, 749, 763 Notes: Source: GSV
Essex	Listing Updated: September 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: ESSXCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 767 Notes: Source: GSV
Farmington "Main"	Listing Updated: September 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: FRTNCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 284, 409, 674, 676-9 Notes: Source: GSV
Farmington "Unionville (Avon)"	Listing Updated: November 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: UNVLCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 404, 673, 675 Notes: Some sources list this as "Avon". Source: GSV
Glastonbury	Listing Updated: December 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: GLBYCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 368, 633, 652, 657, 659, 682 Notes: Source: GSV
Haddam "Higganum"	Listing Updated: July 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: HGNMCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 345 Notes: Source: GSV
Hartford "03" (Main) Photo 2 | Photo 3 | Photo 4 | Photo 5	Listing Updated: September 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: HRFRCT03DS0 HRFRCT03DS1 HRFRCT03DS3 Switch Type: DS0: Ribbon/Genband/Nortel DMS-100 DS1: Nokia/Alcatel/Lucent 5ESS DS3: Nokia/Alcatel/Lucent 5ESS Prefixes Served: DS0: (860) 251, 270, 418, 422, 424, 504, 560, 595, 724, 765, 951 DS1: (860) 273, 277, 296, 403, 534, 545, 566, 692, 695, 702, 714, 723, 756-7, 947, 952-3, 956, 972, 986 DS3: (860) 240-1, 244, 246-7, 249, 275, 278, 280, 293, 297, 299, 308, 493, 520, 522, 524-5, 527, 541, 543, 547-9, 722, 725, 727-8, 948, 987 Notes: Current photo: GSV. Photos 2 and 3 are from June 2015. Photos 4 and 5 were when this was AT&T (April 2014)
Hartford "Bloomfield" Photo 2	Listing Updated: August 2022 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: BLFDCT00DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (860) 242-3, 286, 726, 768-9 Notes: Current photo: GSV. Photo 2: April 2014
Hartford "East Hartford (Brewer)" Photo 2 | Photo 3	Listing Updated: June 2021 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: EHRTCT02DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 568-9, 895 Notes: Current photo: GSV. Photos 2 and 3: June 2014
Hartford "East Hartford (Chapman)" Photo 2	Listing Updated: July 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: EHRTCT01DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 282, 289-91, 528, 557, 565, 610, 622 Notes: Current photo: GSV. Photo 2: June 2014
Hartford "Newington" Photo 2	Listing Updated: July 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: NWNTCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 353, 594, 660, 665-7, 696, 755, 878, 998 Notes: Current photo: GSV. Photo 2: April 2014
Hartford "West Hartford (Main)"	Listing Updated: September 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: WHFRCT02DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (860) 313, 521, 561 Notes: Source: GSV
Hartford "West Hartford (Prospect)"	Listing Updated: July 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: WHFRCT01DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 231-3, 236, 371, 523, 570, 586 Notes: Source: GSV
Hartford "Wethersfield"	Listing Updated: September 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: WTFDCT00DS0 Switch Type: Nokia/Alcatel/Lucnet 5ESS Prefixes Served: (860) 257-8, 513, 529, 563, 571, 721 Notes: Source: GSV
Jewett City	Listing Updated: October 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: JWCYCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 376 Notes: Source: GSV
Kent	Listing Updated: July 2017 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: KENTCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 927 Notes: Source: GSV
Lakeville	Listing Updated: October 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: LKVLCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 435 Notes: Source: GSV
Lebanon	Listing Updated: July 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: LBNNCT00RS2 Switch Type: Ribbon/Genband/Nortel RSC Prefixes Served: (860) 642 Notes: Source: GSV
Litchfield	Listing Updated: September 2022 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: LTFDCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 567 Notes: Source: GSV
Lyme	Listing Updated: October 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: LYMECT01RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 434 Notes: Source: GSV
Manchester "Main"	Listing Updated: August 2022 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: MNCHCT00DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (860) 533, 643, 645-7, 649 Notes: Source: GSV
Manchester "Wapping"	Listing Updated: October 2021 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: WPNGCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 644, 648 Notes: Source: GSV
Middletown "Main"	Listing Updated: September 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: MDTWCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 343-4, 346-7, 358, 636, 638, 685, 704 Notes: Source: GSV
Middletown "Cromwell"	Listing Updated: August 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: CRWLCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 613, 632, 635 Notes: Source: GSV
Middletown "Durham"	Listing Updated: July 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: DRHMCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 349 Notes: Source: GSV
Middletown "Portland"	Listing Updated: September 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: PTLDCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 342 Notes: Source: GSV
Moodus	Listing Updated: October 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: MODSCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 873 Notes: Source: GSV
Mystic "Main"	Listing Updated: October 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: MYSTCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 245, 536, 572 Notes: Source: GSV
Mystic "Stonington"	Listing Updated: November 2021 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: SGTNCT00RS1 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 535, 599 Notes: Also serves the Pawcatuck ratecenter. Source: GSV
New Britain "Main"	Listing Updated: October 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: NWBRCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 223-5, 229, 348, 612, 826-7, 832, 991 Notes: Source: GSV
New Britain "Berlin"	Listing Updated: August 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: BRLNCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 828-9 Notes: Source: GSV
New London "Main"	Listing Updated: October 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: NWLNCT02DS1 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 271, 437, 439-40, 443-4, 447, 701 Notes: Source: GSV
New London "Groton"	Listing Updated: October 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: GRTNCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 396, 405, 433, 441, 445-6, 448-9, 629, 686, 694, 715, 732 Notes: Source: GSV
New Milford	Listing Updated: December 2022 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: NMFRCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 210, 350, 354-5 Notes: Source: GSV
Niantic	Listing Updated: November 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: NINTCT00RS1 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 691, 739 Notes: Source: GSV
Norfolk Photo 2 | Photo 3	Listing Updated: July 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: NRFLCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 542 Notes: Current photo: GSV. Photos 2 and 3: May 2016
North Thompson "Thompson"	Listing Updated: July 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: THSNCT00DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (860) 923, 935 Notes: Also serves Putnam ratecenter. Source: GSV
Norwich "Main"	Listing Updated: July 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: NRWCCT00DS1 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 204, 312, 425, 823, 859, 862, 885-7, 889, 892 Notes: Source: GSV
Norwich "Baltic"	Listing Updated: July 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: BLTCCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 822 Notes: Source: GSV
Norwich "Montville"	Listing Updated: October 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: MTVLCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 367, 848 Notes: Source: GSV
Old Saybrook "Main"	Listing Updated: September 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: OLSYCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 388, 391, 395, 510 Notes: Source: GSV
Old Saybrook "Westbrook"	Listing Updated: September 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: WSBKCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 399 Notes: Source: GSV
Plainfield Photo 2 | Photo 3	Listing Updated: July 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: PLFDCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 230, 546, 564 Notes: Current photo: GSV. Photos 2 and 3: Roberto in MA (June 2013). Also serves the Canterbury ratecenter.
Plainville	Listing Updated: October 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: PLVLCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 410, 641, 747, 793 Notes: Also serves the Bristol ratecenter. Source: GSV
Putnam	Listing Updated: August 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: PTNMCT00DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (860) 928, 963 Notes: Cut over to a DMS-100 in 1990. Source: GSV
Rockville	Listing Updated: October 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: RKVLCT00DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (860) 870-2, 875, 896 Notes: Source: GSV
Sharon	Listing Updated: August 2009 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: SHRNCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 364 Notes: Source: GSV.
Simsbury "Main"	Listing Updated: August 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: SMBYCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 408, 651, 658, 843 Notes: Source: GSV
Simsbury "Granby"	Listing Updated: August 2018 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: GRNBCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 653, 844 Notes: Source: GSV
Southington	Listing Updated: October 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: STTNCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 276, 378, 620-1, 628, 681 Notes: Source: GSV
Stafford Springs	Listing Updated: September 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: STSPCT00DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (860) 684 Notes: Source: GSV
Storrs	Listing Updated: September 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: STRSCT01RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 429, 487 Notes: Source: GSV
Torrington "Main"	Listing Updated: October 2020 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: TRTNCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 482, 485, 489, 496, 626, 689 Notes: Also serves the Harwinton ratecenter. Source: GSV
Torrington "Goshen"	Listing Updated: May 2019 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: GSHNCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 491 Notes: Source: GSV
Washington	Listing Updated: August 2019 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: WASHCT00RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 868 Notes: Source: GSV
Watertown	Listing Updated: September 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: WTTWCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 274, 945 Notes: Source: GSV
Willimantic "Main"	Listing Updated: January 2022 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: WLMNCT00DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (860) 423, 450, 456, 465 Notes: Source: GSV
Willimantic "Hampton"	Listing Updated: November 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: HMPNCT00RS2 Switch Type: Ribbon/Genband/Notel RSC Prefixes Served: (860) 455 Notes: Source: GSV
Windsor Photo 2 | Photo 3	Listing Updated: July 2024 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: WNDSCT00DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (860) 285, 298, 580, 607, 624, 683, 687-8, 731, 905 Notes: Current photo: GSV. Photos 2 and 3: April 2014
Windsor Locks "Main" Photo 2 | Photo 3 | Photo 4	Listing Updated: October 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: WLKSCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 204, 312, 425, 823, 859, 862, 885-7, 889, 892 Notes: Current photo: GSV. Photos 2 and 3: June 2015. Photo 4 was when this was AT&T (June 2013)
Windsor Locks "Suffield"	Listing Updated: August 2022 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: SFFDCT00RS2 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (860) 668 Notes: Source: GSV
Winstead Photo 2	Listing Updated: August 2023 Operating Company: Frontier/at&t/SBC/Southern New England Telephone CLLI: WNSTCT00DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (860) 379, 738 Notes: Current photo: GSV. Photo 2: May 2016

Visit other Connecticut Area Codes: 203 860

Visit nearby regions: Massachusetts New York Rhode Island