Area Codes 972 and 469
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Codes 972 and 469 (Texas).

Click on the pictures below for a larger version.

Allen	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: ALLNTXSADS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 383, 495, 509, 547 (972) 359, 390, 396, 727, 747 Notes: Source: GSV
Anna	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: ANNATXWARS1 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (972) 924 Notes: Source: GSV
Avalon	Listing Updated: July 2021 Operating Company: Windstream/Valor/GTE CLLI: AVLNTXXARS0 Switch Type: Ribbon/Genband/Nortel 1RC Prefixes Served: (972) 627 Notes: Source: GSV
Bardwell	Listing Updated: January 2008 Operating Company: Frontier/Verizon/GTE CLLI: BRWLTXXARS0 Switch Type: Nokia/Siemens/Stromberg Carlson DCO Remote Prefixes Served: (972) 646 Notes: Source: GSV
Blue Ridge	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: BLRGTXXARS0 Switch Type: Ribbon/Genband/Nortel RLC Prefixes Served: (972) 752 Notes: Source: GSV
Bristol	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: BRSTTXXARS0 Switch Type: Nokia/Siemens/Stromberg Carlson DCO Remote Prefixes Served: (972) 666, 846 Notes: Source: GSV
Carrollton "Main"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: CRTNTXXADS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (469) 557 (972) 242, 245, 323, 389, 446, 466, 695 Notes: Source: GSV
Carrollton "North"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: CRTNTXXBDS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (214) 731 (972) 394-5, 492, 939 Notes: Source: GSV
Carrollton "Northeast"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: CRTNTXXCDS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (214) 483 (972) 306-7, 662, 862 Notes: Source: GSV
Carrollton "Southeast"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: CRTNTXXDDS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (214) 390 (972) 416-8, 478 Notes: Source: GSV
Celina	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: CELNTXDURPA Switch Type: Remote Packet (unknown type) Prefixes Served: (972) 382 Notes: Source: GSV
Dallas "Addison"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXADDS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (214) 866 (469) 201, 791 (972) 338, 340-1, 361-2, 364, 371, 376, 404, 448, 450, 458, 503, 591, 684-5, 687, 701-2, 716, 720, 726, 770, 774, 776, 778, 789, 851, 855-6, 866, 960, 982, 991 Notes: Source: GSV
Dallas "Danieldale"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXDNDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (469) 567 (972) 224, 228 Notes: Source: GSV
Dallas "Duncanville"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXDVDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 933 (469) 695 (972) 296, 298, 572, 708-9, 780 Notes: Source: GSV
Dallas "Farmers Branch"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXFBDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 256 (469) 522 (972) 241, 243, 247, 277, 280, 406, 481, 484, 488, 620, 884, 888, 919 Notes: Source: GSV
Dallas "Hutchins"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXHUDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (469) 941 (972) 225 Notes: Source: GSV
Dallas "Lancaster"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXLNDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (972) 218, 227, 275 Notes: Source: GSV
Dallas "Mesquite"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXMSDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 664 (469) 726 (972) 204, 216, 222, 284-5, 288-90, 329, 882 Notes: Source: GSV
Dallas "North Mesquite"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXNMDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (972) 270, 279, 613, 681-2, 686, 698 Notes: Source: GSV
Dallas "Northlake"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXNODS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 286, 296, 584 (469) 420, 665, 759 (972) 368, 373, 401-2, 405, 409, 432, 443-4, 501, 506, 556, 584, 630, 706, 830-1, 868-9, 910, 940, 969 Notes: Source: GSV
Dallas "Renner"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXREDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (469) 737, 828 (972) 248, 250, 267, 380-1, 407, 447, 588, 713, 732-3, 735, 738, 818, 930-1 Notes: Source: GSV
Dallas "Richardson"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXRNDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 306, 429, 431, 479-80, 567 (469) 204, 372, 593 (972) 231, 235, 238, 301, 344, 437, 470, 479, 480, 497-8, 528, 638, 643-4, 664, 669, 671, 680, 690, 699, 705, 744, 761, 773, 783, 808, 883, 889, 907, 917-8, 927, 952, 994-7 Notes: Source: GSV
Dallas "Richardson BZ"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: RCSNTXBZRS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (972) 454 Notes: Supposedly there's a small remote switch in this office building (that was up for sale when the picture was taken). Source: GSV
Dallas "Rylie"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXRYDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (972) 286, 557, 913 Notes: Source: GSV
Dallas "Sunnyvale"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXSUDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (972) 203, 226 Notes: Source: GSV
DeSoto	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXDSDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (469) 658 (972) 217, 223, 230, 274 Notes: Source: GSV
Ennis	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: ENNSTXTRDS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (972) 872, 875-6, 878 Notes: Source: GSV
Farmersville	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: FRVLTXSTRS0 Switch Type: Ericsson AXE10 Remote Prefixes Served: (972) 782, 784 Notes: Source: GSV
Ferris	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: FRRSTXXADS0 Switch Type: Nokia/Siemens/Stromberg Carlson DCO Remote Prefixes Served: (972) 544, 842 Notes: Source: GSV
Forney	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: FRNYTXHIRS0 Switch Type: Ribbon/Genband/Nortel RSC Prefixes Served: (972) 552, 564 Notes: Source: GSV
Frisco "Colony"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: FRSCTXCODS1 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 469(972) 370, 624-5, 704 Notes: Source: GSV
Frisco "Essex"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: FRSCTXESDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 387, 436, 494, 705, 872 (469) 294, 365, 462, 604, 633 (972) 334-5, 377, 712, 731 Notes: Source: GSV
Frisco "Little Elm"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: FRSCTXWERS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (972) 292, 294 Notes: Source: GSV
Grand Prairie "Main"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXGPRPA Switch Type: Remote Packet (unknown type) Prefixes Served: (972) 237, 260, 262-4, 266, 269, 282, 504, 558, 642, 901 Notes: Source: GSV
Grand Prairie "Mid Cities"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXMCDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 787 (817) 213, 323, 385, 530, 606-8, 619, 633, 640, 649, 652, 673, 676, 695, 816, 962 (972) 206, 336-7, 339, 343, 352, 522, 561, 595, 601-3, 606, 614, 623, 641, 647, 660, 730, 795, 859, 933, 946, 949, 975, 988 Notes: Source: GSV
Irving "Main"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: IRNGTXXBDS1 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (972) 251, 253-4, 259, 273 Notes: Source: GSV
Irving "East"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: IRNGTXXCDS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (972) 438, 445, 554, 579, 721, 785 Notes: Source: GSV
Irving "North"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: IRNGTXXEDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (469) 220, 995 (972) 281, 507, 541, 650, 652-3, 655, 657, 718-9, 791, 887, 893 Notes: Source: GSV
Irving "Southwest"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: IRNGTXXDDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (469) 426 (972) 313, 399, 513-4, 790, 986 Notes: Source: GSV
Irving "Walnut Hill"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: IRNGTXXGDS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (972) 465, 518, 550, 580, 582, 714, 751, 753, 756 Notes: Source: GSV
Irving "West"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: IRNGTXXADS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (972) 232, 255-8, 261, 413, 570, 594, 607, 659 Notes: Source: GSV
Irving "Woodbine"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: IRNGTXXFDS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (214) 277 (972) 621, 915-6, 929 Notes: Source: GSV
Italy	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: ITLYTXHURS0 Switch Type: Ribbon/Genband/Nortel RSC Prefixes Served: (972) 483 Notes: Source: GSV
Kaufman	Listing Updated: July 2021 Operating Company: Brightspeed/Centurylink/Embarq/Sprint/United Telephone CLLI: KFMNTXXARS1 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (972) 932, 962 Notes: Source: GSV
Lewisville "Main"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: LWVLTXXADS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (214) 222 (972) 219, 221, 353, 420, 434, 436 Notes: Source: GSV
Lewisville "Garden Ridge"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: LWVLTXXFDS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (972) 317-8, 966 Notes: Source: GSV
Lewisville "Round Grove"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: LWVLTXXEDS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (214) 488 (972) 315-6, 459 Notes: Source: GSV
Lewisville "South"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: LWVLTXXBDS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (972) 304, 393, 462, 471, 745 Notes: Source: GSV
Lewisville "West"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: LWVLTXXCDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 285, 513, 626 (469) 464 (972) 355, 537, 539, 691, 724, 874 Notes: Source: GSV
Maypearl	Listing Updated: October 2013 Operating Company: Frontier/Verizon/GTE CLLI: MYPRTXXADS0 Switch Type: Nokia/Siemens/Stromberg Carlson DCO Prefixes Served: (972) 435 Notes: Source: GSV
McKinney "Main" Photo 2	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: MCKNTXLIDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 491, 504, 544, 585, 592, 726, 733 (469) 219, 742, 764, 952 (972) 369, 529, 540, 542, 547-8, 562, 569, 683 Notes: Original photo source: Larry P. (August 2015). Current photo source: GSV
McKinney "Melissa (Terminal)"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: MCKNTXTERS1 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (972) 837-8 Notes: Source: GSV
Midlothian	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: MDLTTXGRRS0 Switch Type: Ribbon/Genband/Nortel RSC Prefixes Served: (972) 723, 775 Notes: Source: GSV
Milford	Listing Updated: July 2021 Operating Company: Windstream/Valor/GTE CLLI: MLFRTXXARS0 Switch Type: Ribbon/Genband/Nortel RLC Prefixes Served: (972) 493 Notes: Source: GSV
Nevada	Listing Updated: September 2013 Operating Company: Frontier/Verizon/GTE CLLI: NEVDTXXARS0 Switch Type: Ribbon/Genband/Nortel DMS-10 Remote Prefixes Served: (972) 843, 853 Notes: Source: GSV
Palmer	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: PLMRTXXARS0 Switch Type: Nokia/Siemens/Stromberg Carlson DCO Remote Prefixes Served: (469) 214 (972) 449, 845 Notes: Source: GSV
Plano "Main"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: PLANTXXADS1 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (214) 299 (972) 379, 461, 477, 941 Notes: Source: GSV
Plano "Crosscreek"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: PLANTXXFDS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (972) 468, 517, 527, 575 Notes: Source: GSV
Plano "North"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: PLANTXXKDS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (214) 227 (972) 208, 491, 618 Notes: Looks like a house. Source: GSV
Plano "Northwest"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: PLANTXXDDS1 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (214) 427 (469) 685 (972) 378, 403, 431, 473, 604-5, 608, 696, 781, 796-7, 981 Notes: Source: GSV
Plano "West"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: PLANTXXBDS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (469) 752 (972) 519, 596, 599, 612, 758, 769, 867, 905, 964, 985 Notes: Source: GSV
Plano "Garland Main"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: GRLDTXXADS1 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (972) 295 Notes: Source: GSV
Plano "Garland North"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: GRLDTXXCDS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (972) 414, 495-6, 530, 675 Notes: Source: GSV
Plano "Garland South"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: GRLDTXXBDS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (972) 271, 278, 840, 864, 926 Notes: Source: GSV
Plano "Garland Southeast"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: GRLDTXXEDS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (972) 240, 303 Notes: Source: GSV
Plano "Rowlett"	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: RWLTTXXADS0 Switch Type: Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Prefixes Served: (214) 607 (972) 412, 463, 475 Notes: Source: GSV
Princeton	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: PRTNTXRERS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (972) 734, 736 Notes: Source: GSV
Prosper	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: PRSPTXFIRS0 Switch Type: Ericsson AXE10 Remote Prefixes Served: (972) 346-7 Notes: Source: GSV
Red Oak	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: RDOKTXHORS0 Switch Type: Ribbon/Genband/Nortel RSC Prefixes Served: (469) 552 (972) 515, 576, 617 Notes: Source: GSV
Rockwall	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: RKWLTXPADS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Remote Prefixes Served: (214) 771 (469) 698 (972) 722, 771-2 Notes: Source: GSV
Royse City	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: RYCYTXNERS0 Switch Type: Ribbon/Genband/Nortel RSC Prefixes Served: (972) 635-6 Notes: Source: GSV
Scurry	Listing Updated: July 2021 Operating Company: Windstream/Alltel CLLI: SCRYTXXADS0 Switch Type: Ribbon/Genband/Nortel DMS-10 Prefixes Served: (972) 452 Notes: Source: GSV
Seagoville	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXSEDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (972) 287, 427, 472, 474, 476 Notes: Also serves Combine and Crandall. Source: GSV
Terrell	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: TRRLTXJODS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (972) 524, 551, 563 Notes: Source: GSV
Venus	Listing Updated: September 2013 Operating Company: Frontier/Verizon/GTE CLLI: VENSTXXADS0 Switch Type: Nokia/Siemens/Stromberg Carlson DCO Remote Prefixes Served: (972) 366 Notes: Source: GSV
Waxahachie	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: WXHCTXWEDS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (972) 351, 825, 923, 935, 937-8 Notes: Source: GSV
Wilmer	Listing Updated: July 2021 Operating Company: Frontier/Verizon/GTE CLLI: WLMRTXXADS0 Switch Type: Nokia/Siemens/Stromberg Carlson DCO Remote Prefixes Served: (972) 441, 525 Notes: Source: GSV

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