Area Code 956
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Code 956 (Texas).

Click on the pictures below for a larger version.

Brownsville "Lincoln"	Listing Updated: March 2023 Operating Company: at&t/SBC/Southwestern Bell CLLI: BWVLTXLIDS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (956) 296, 504, 541-2, 544, 546-8, 550, 554, 574, 579, 698, 755, 882, 982-3, 986 Notes: Source: GSV
Edinburg	Listing Updated: May 2022 Operating Company: at&t/SBC/Southwestern Bell CLLI: EDBGTXEBDS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (956) 287, 289, 292, 316, 318, 380-1, 383-8, 393, 587, 665 Notes: Source: GSV
Laredo "Main"	Listing Updated: March 2023 Operating Company: at&t/SBC/Southwestern Bell CLLI: LARDTXLADS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (956) 273, 523, 693, 712, 717-8, 721-9, 753, 764, 786, 790-1, 794-6 Notes: Source: GSV
McAllen "Main"	Listing Updated: January 2022 Operating Company: at&t/SBC/Southwestern Bell CLLI: MCALTXMUDS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (956) 217, 362, 429, 578, 618, 630-2, 661, 664, 668, 682-3, 686-8, 872, 926, 928, 971-2, 992, 994 Notes: Source: GSV
Mission "Main"	Listing Updated: May 2023 Operating Company: at&t/SBC/Southwestern Bell CLLI: MSSNTXMIDS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (956) 205, 323, 424, 519, 580-1, 583-5 Notes: Source: GSV
Pharr	Listing Updated: February 2023 Operating Company: at&t/SBC/Southwestern Bell CLLI: PHRRTXPHDS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (956) 283, 702, 781-4, 787 Notes: 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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