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Area Code 631
Telephone Central Office Building Pictures

The following are respresntative examples of telephone central office buildings in Area Code 631 (eastern Long Island/Suffolk County).

Click on the pictures below for a larger version.


Atlantic

"Mastic"

Listing Updated:
August 2015

Operating Company:
Verizon/Bell Atlantic/NYNEX/New York Telephone

CLLI:
MSTCNYMCDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(631) 281, 395, 399, 874, 878

Notes:
Also serves the Center Moriches ratecenter. Source: GSV

 

 

Bay Shore

Listing Updated:
July 2005

Operating Company:
Verizon/Bell Atlantic/NYNEX/New York Telephone

CLLI:
BYSHNYBYDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(631) 206, 224, 277, 581, 665-6, 859, 968-9

Notes:
Originally was a #5 Crossbar switch. Also serves Islip rate center.

 

 

Brentwood

Listing Updated:
July 2010

Operating Company:
Verizon/Bell Atlantic/NYNEX/New York Telephone

CLLI:
BRWDNYBWDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(631) 231-4, 272-3, 300, 342, 348, 357, 434-6, 582, 851, 904, 951-2

Notes:
Also serves Central Islip rate center.

 

 

Fire Island

"Ocean Beach"

Photo 2 | Photo 3

Listing Updated:
July 2010

Operating Company:
Verizon/Bell Atlantic/NYNEX/New York Telephone

CLLI:
OCBHNYOBRS0

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(631) 583, 597

Notes:
Also serves East Fire Island rate center. Fire Island is a barrier island south of Long Island. The only way you can get here is by passenger ferry. There are very few cars on the island, and the main transportation is either on foot or by bicycle. This CO building is located in the community of Ocean Beach, which is the commerce center of the island (lots of shops and restaurants). Notice in Photo 3 of the old New York Telephone sign.

 

Greenport (Suffolk)

Listing Updated:
August 2015

Operating Company:
Verizon/Bell Atlantic/NYNEX/New York Telephone

CLLI:
GPTSNYGPDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(631) 323, 477, 749

Notes:
Also serves the Orient and Shelter Island ratecenters. Source: GSV

 

Montauk Point

Listing Updated:
August 2015

Operating Company:
Verizon/Bell Atlantic/NYNEX/New York Telephone

CLLI:
MNTKNYMTDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(631) 668

Notes:
Source: GSV

 

Southold

"Cutchogue"

Listing Updated:
August 2015

Operating Company:
Verizon/Bell Atlantic/NYNEX/New York Telephone

CLLI:
CTCHNYCUDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(631) 298, 734, 765

Notes:
Also serves the Mattituck and Peconic ratecenters. Source: GSV

 

Stony Brook

"Setauket"

Listing Updated:
August 2015

Operating Company:
Verizon/Bell Atlantic/NYNEX/New York Telephone

CLLI:
STKTNYSKDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(631) 216, 246, 444, 632, 638, 689, 751, 941

Notes:
Source: GSV

 

 


Copyright 2015 Telephone Central Office Building Pictures
Page last modified August 3, 2015
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