Area Codes 214 & 469
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Codes 214 & 469 (Dallas, Texas).

Click on the pictures below for a larger version.

Dallas "Davis"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXDADS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 319-21, 324, 327-8, 367, 660 Notes: Source: GSV
Dallas "Diamond"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXDIDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 221, 340-3, 348-9, 355, 503, 553 (469) 364 Notes: Source: GSV
Dallas "Emerson"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXEMDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 234, 239, 265, 345-6, 260-1, 363, 365, 368-9, 373, 378, 691-2, 696, 706, 739, 750, 890-1, 987 (469) 232, 800, 862 (972) 348-9, 391, 566, 860-1, 863   Notes: Source: GSV
Dallas "Evergreen"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXEVDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 275, 381, 388, 489 Notes: Source: GSV
Dallas "Express"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXEXDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 309, 391, 398 Notes: Source: GSV
Dallas "Federal"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXFEDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 312, 330-1, 333, 337, 339, 467, 623 Notes: Source: GSV
Dallas "Fleetwood"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXFLDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 250-3, 357-8, 366, 654, 792, 902, 904, 956 (469) 335 (972) 559 Notes: Source: GSV
Dallas "Franklin"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXFRDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 302, 371-2, 374-6 Notes: Source: GSV
Dallas "Hamilton"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXHARPA Switch Type: Ribbon/Genband G6/G5 Remote Packet Switch Prefixes Served: (214) 421, 426, 428, 565, 928 Notes: This was a 1AESS until 2016. Source: GSV
Dallas "Lakeside"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXLADS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 219, 224, 252, 266, 409, 443, 520-3, 525-6, 528, 559, 590, 599, 780 (469) 413, 419 Notes: Source: GSV
Dallas "Melrose"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXMEDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 267, 424, 579, 583, 589, 630-1, 633-5, 637-8, 640, 643, 645, 648, 678, 688-9, 819, 879, 905, 920, 951, 962 (469) 291, 852 Notes: Source: GSV
Dallas "Riverside" Photo 2 | Photo 3	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXRIDS0 DLLSTXRIDS3 DLLSTXRIDS4 Switch Type: DS0: Nokia/Alcatel/Lucent 5ESS DS3: Nokia/Alcatel/Lucent 5ESS DS4: Nokia/Alcatel/Lucent 5ESS Prefixes Served: DS0: (214) 200, 243, 290, 462, 466, 508, 527, 571, 573, 651-2, 655, 658-9, 670-2, 694, 698, 741-4, 747, 749, 760, 767, 800, 845, 853-4, 857-9, 939 (469) 295 DS3: (214) 413, 465, 751-3, 875, 915-7 (469) 227 DS4: (214) 464, 486, 653, 712, 745-6, 748, 757, 761, 782, 977 Notes: Source: GSV
Dallas "Ross"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXRODS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 220, 303, 397, 468, 661, 665, 720-1, 740, 754, 756, 758, 777, 812, 840, 849, 855, 871, 880, 922, 953-4, 965, 969, 978-9, 981, 999 (972) 828 Notes: Source: GSV
Dallas "Taylor"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXTADS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (214) 370, 456, 515, 539, 584, 730, 818, 820-1, 823-4, 826-8, 841, 860-1, 863, 865, 867, 874, 887, 989 (469) 334, 832 Notes: Source: GSV
Dallas "Whitehall"	Listing Updated: July 2021 Operating Company: at&t/SBC/Southwestern Bell CLLI: DLLSTXWHRPA Switch Type: Ribbon/Genband G6/G5 Remote Packet Switch Prefixes Served: (214) 779, 941-4, 946-8 Notes: This was a 1AESS until 2016. Source: GSV
Dallas "Toll Center"	Listing Updated: July 2021 Operating Company: at&t (Long Lines) CLLI: DLLSTXTL Switch Type: WECO 4ESS Prefixes Served: None Notes: Houses two AT&T (long lines) 4ESS tandem switches and several CLEC switches. 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

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