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Area Code 956
Telephone Central Office
Building Pictures
The following are representative examples of telephone central office buildings in Area Code 956 (Lower and middle Rio Grande Valley, Texas).
Click on the pictures below for a larger version.
Brownsville
"Lincoln"
Listing Updated:
March 2023Operating Company:
at&t/SBC/Southwestern BellCLLI:
BWVLTXLIDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(956) 296, 504, 541-2, 544, 546-8, 550, 554, 574, 579, 698, 755, 882, 982-3, 986Notes:
Source: GSV
Brownsville
"Olmito"
Listing Updated:
July 2022Operating Company:
at&t/SBC/Southwestern BellCLLI:
BWVLTXOLRS2Switch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(956) 350Notes:
Source: GSV
Brownsville
"Terminal"
Listing Updated:
August 2022Operating Company:
at&t/SBC/Southwestern BellCLLI:
BWVLTXTERS0Switch Type:
Ribbon/Genband/Nortel RLMPrefixes Served:
(956) 831-2, 838Notes:
Source: GSV
Donna
Listing Updated:
March 2022Operating Company:
at&t/SBC/Southwestern BellCLLI:
DONNTXDODS0Switch Type:
Ericsson AXE-10Prefixes Served:
(956) 461, 464Notes:
Source: GSV
Edinburg
Listing Updated:
March 2025Operating Company:
at&t/SBC/Southwestern BellCLLI:
EDBGTXEBDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(956) 287, 289, 292, 316, 318, 380-1, 383-8, 393, 587, 665Notes:
Source: GSV
Falcon
"Zapata"
Listing Updated:
May 2024Operating Company:
Border To Border CommunicationsCLLI:
ZPTATXXADS0Switch Type:
Mitel GX5000 Digital SwitchPrefixes Served:
(956) 936Notes:
Source: GSV
Harlingen
Listing Updated:
May 2023Operating Company:
at&t/SBC/Southwestern BellCLLI:
HRLNTXHGDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(956) 228, 291, 364-6, 389, 392, 412, 421, 423, 425, 427-8, 430, 440, 444, 577, 610, 730, 752, 760Notes:
Source: GSV
La Feria
Listing Updated:
February 2023Operating Company:
Frontier/Verizon/GTECLLI:
LAFRTXXADS0Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAXPrefixes Served:
(956) 797Notes:
Source: GSV
Laredo
"Main"
Listing Updated:
May 2024Operating Company:
at&t/SBC/Southwestern BellCLLI:
LARDTXLADS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(956) 273, 523, 693, 712, 717-8, 721-9, 753, 764, 786, 790-1, 794-6Notes:
Source: GSV
McAllen
"Main"
Listing Updated:
February 2025Operating Company:
at&t/SBC/Southwestern BellCLLI:
MCALTXMUDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(956) 217, 362, 429, 578, 618, 630-2, 661, 664, 668, 682-3, 686-8, 872, 926, 928, 971-2, 992, 994Notes:
Source: GSV
Mercedes
Listing Updated:
June 2022Operating Company:
at&t/SBC/Southwestern BellCLLI:
MRCDTXMEDS0Switch Type:
Ericsson AXE-10Prefixes Served:
(956) 514, 585, 825Notes:
Source: GSV
Mission
"Main"
Listing Updated:
March 2025Operating Company:
at&t/SBC/Southwestern BellCLLI:
MSSNTXMIDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(956) 205, 323, 424, 519, 580-1, 583-5Notes:
Source: GSV
Pharr
Listing Updated:
March 2025Operating Company:
at&t/SBC/Southwestern BellCLLI:
PHRRTXPHDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(956) 283, 702, 781-4, 787Notes:
Source: GSV
Raymondville
Listing Updated:
April 2023Operating Company:
Frontier/Verizon/GTECLLI:
RMVLTXXADS0Switch Type:
Ribbon/Genband/Nortel DMS-10Prefixes Served:
(956) 398, 689-90Notes:
Source: GSV
Rio Grande City
Listing Updated:
July 2022Operating Company:
Frontier/Verizon/GTECLLI:
RGCYTXXADS0Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAXPrefixes Served:
(956) 487-8, 573, 716Notes:
Source: GSV
Roma
Listing Updated:
November 2021Operating Company:
Frontier/Verizon/GTECLLI:
ROMATXXADS0Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAXPrefixes Served:
(956) 847, 849Notes:
Source: GSV
Weslaco
"Main"
Listing Updated:
July 2022Operating Company:
Frontier/Verizon/GTECLLI:
WSLCTXXADS0Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAXPrefixes Served:
(956) 447, 647, 968-9Notes:
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
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Copyright 2025 Telephone Central Office Building
Pictures |