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Area Codes 203 & 475
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Codes 203 and 475 (Connecticut).

Click on the pictures below for a larger version.


New Haven
 

Listing Updated:
May 2013

Operating Company:
Frontier/at&t/SBC/Southern New England Telephone

CLLI:
NWHNCT03DS0
NWHNCT03DS3

Switch Type:
DS0: Alcatel/Lucent 5ESS
DS3: Alcatel/Lucent 5ESS

Prefixes Served:
DS0: (203) 492, 495, 497-9, 503, 603, 619, 688, 691, 737, 764-5, 771, 781, 812, 821, 928, 946

DS3: (203) 401, 432, 436, 562, 624, 752, 772-3, 776-7, 782, 784-7, 789, 865, 867

Notes:
Source: GSV

 

Stamford

"Main"
 

Listing Updated:
May 2013

Operating Company:
Frontier/at&t/SBC/Southern New England Telephone

CLLI:
SMFRCT01DS1
SMFRCT01DS2

Switch Type:
DS1: Alcatel/Lucent 5ESS
DS2: Alcatel/Lucent 5ESS

Prefixes Served:
DS1: (203) 323, 325, 327-8, 352-3, 359, 406, 967, 973, 975, 978

DS2: (203) 251, 282, 316, 324, 326, 348, 351, 356-8, 363, 425, 462, 539, 541, 585, 602, 674, 708, 719, 728, 890, 921, 940, 961, 964-5, 969, 977

Notes:
Source: GSV

 

 


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Page last modified April 19, 2015
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