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Area Codes 713 / 281 / 346 / 832
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Codes 713, 281, 346, and 832 (Houston, Texas metro).

Click on the pictures below for a larger version.


Deer Park

"DR"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTXTXSDRS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(713) 246

Notes:
Source: GSV

 

Houston

"Capital"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXCADS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(713) 216-7, 220-9, 236-8, 247, 250, 259, 315, 368, 437, 546-7, 588, 632, 755, 837 (832) 239, 393-5, 830

Notes:
Source: GSV

 

Houston

"Clay"

Photo 2

Listing Updated:
December 2017

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXCLDS0
HSTNTXCLDS1
HSTNTXCLDS2

Switch Type:
DS0: Nokia/Alcatel/Lucent 5ESS
DS1: Nokia/Alcatel/Lucent 5ESS
DS2: Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
DS0: (281) 228, 604, 727
(713) 207, 209, 230, 265, 277, 287, 289, 307, 309, 319, 321, 336, 356, 359, 371, 388, 393, 420, 422, 428, 445, 507, 609, 656-7, 718, 730, 757, 767, 844, 970
(832) 466, 668, 852

DS1: (713) 210, 276, 286, 308, 372, 374, 379, 381, 405, 427, 483, 495, 615, 646, 650-5, 658-9, 739, 750-4, 756, 758-9, 853, 951, 982
(832) 260, 397, 730, 851

DS2: (713) 488, 497, 537, 571, 890
(832) 366, 584, 854
 

Notes:
Photo 2 is from December 2017. Current photo source: GSV.

 

Houston

"Fairbanks"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXFADS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(713) 329, 460, 462, 466, 538, 690, 744, 849, 856, 895-6, 934, 937, 939, 983, 996
(832) 243, 288, 467, 590, 782, 955

Notes:
Also serves the Houston Suburban ratecenter. Source: GSV

 

Houston

"Glendale"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXGLRP0

Switch Type:
Ribbon/Genband/Nortel MG9000 Remote

Prefixes Served:
(713) 330, 450-1, 453, 455, 637, 909

Notes:
Source: GSV

 

Houston

"Greenwood"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXGRDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(713) 456, 472-3, 475, 477, 534, 589, 740, 920

Notes:
Source: GSV

 

Houston

"Homestead"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXHODS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(346) 971
(713) 251, 262, 338, 365, 461, 463-5, 467-8, 647, 722, 827, 932, 935, 973, 984
(832) 358, 657

Notes:
Source: GSV

 

Houston

"Hudson"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXHUDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(713) 233, 378, 573, 910, 941, 943-8
(832) 386

Notes:
Source: GSV

 

Houston

"Idlewood"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXIDRP0

Switch Type:
Ribbon/Genband/Nortel MG9000 Remote

Prefixes Served:
(713) 340, 413, 433-4, 436

Notes:
Source: GSV

 

Houston

"Jackson"

Listing Updated:
November 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXJADS1

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(281) 466
(713) 214, 257, 313, 387, 638

Notes:
Source: GSV

 

Houston

"Medical Center"

Photo 2

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXMCDS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(281) 652, 669, 936
(346) 721-3, 725,9, 834
(713) 245, 363, 384, 391, 394, 442, 500, 512, 558, 563, 566, 578, 610, 677, 704, 745, 770, 790-9, 852, 873
(832) 354-5, 398, 822, 824-6, 828

Notes:
Photo 2 source: Larry P. (July 2014). Current photo source: GSV.

 

Houston

"Mission"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXMIDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(713) 242, 454, 634, 640-1, 643-5, 649, 845, 847

Notes:
Source: GSV

 

Houston

"Mowhawk"

Photo 2

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXMODS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(713) 218, 295, 314, 349, 432, 592, 660-9, 838-9 (832) 778

Notes:
Photo 2 source: Larry P. (July 2014). Current photo source: GSV.

 

Houston

"National"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXNADS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(713) 212, 235, 296-7, 386, 402-3, 418, 439, 499, 513, 553, 584-5, 599, 621-4, 836, 840, 850, 871, 877, 888, 950, 960-1, 963-6, 968, 993
(832) 675-6, 681

Notes:
Source: GSV

 

Houston

"Neptune"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXNEDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(713) 491, 631, 633, 635-6

Notes:
Source: GSV

 

Houston

"Orchard"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXORDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(713) 670-6, 678-9

Notes:
Source: GSV

 

Houston

"Overland"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXOVDS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(713) 263, 290, 316, 476, 556, 586, 602, 613, 680-6, 688, 812, 956-7

Notes:
Source: GSV

 

Houston

"Oxford"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXOXDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(713) 691-2, 694-7, 699, 742, 884

Notes:
Source: GSV

 

Houston

"Parkview"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXPADS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(713) 283, 551, 721, 723, 726, 728-9, 885

Notes:
Source: GSV

 

Houston

"Prescott"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXPRDS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(713) 219, 270-2, 414, 448, 484, 541, 596, 771-4, 776-9, 981, 988, 995

Notes:
Source: GSV

 

Houston

"Republic"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXREDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(713) 264, 731-4, 738

Notes:
Source: GSV

 

Houston

"Riverside"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXRIDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(281) 390
(713) 390, 440, 701, 715, 741, 743, 746-9, 842, 889
(832) 487, 842

Notes:
Source: GSV

 

Houston

"SM"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTXTXSMRS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(713) 567

Notes:
Former AT&T office complex. Source: GSV

 

Houston

"Sunset"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXSUDS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(713) 243, 260, 366-8, 273, 278, 334, 339, 361, 430, 435, 458, 532, 536, 587, 689, 706, 735, 780-9, 808, 878, 914, 917-8, 952-4, 972, 974-7, 977-8, 994
(832) 488, 765

Notes:
Source: GSV

 

Houston

"Underwood"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXUNDS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(713) 293, 426, 802-3, 861-9, 880
(832) 618, 673

Notes:
Source: GSV

 

Houston

"Walnut"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXWADS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(713) 514, 921, 923-4, 926, 928, 967

Notes:
Source: GSV

 

Houston

"Wydown"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HSTNTXWYDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(713) 981, 991

Notes:
Source: GSV

 

Spring

"SM"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
SPRNTXSMRS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(713) 377

Notes:
Small 5ESS remote in an office building. Source: GSV

 

Visit other Texas Area Codes: 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979

Visit nearby regions: Arkansas Louisiana New Mexico Oklahoma


Copyright 2021 Telephone Central Office Building Pictures
Page last modified November 13, 2021
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