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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


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