Area Code 937
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Code 937 (southwestern Ohio outside of Cincinnati metro).

Click on the pictures below for a larger version.

Bellefontaine	Listing Updated: August 2020 Operating Company: Brightspeed/Centurylink/Embarq/Sprint/United Telephone CLLI: BLLFOHXA59E Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (937) 292, 404, 592-3, 599 Notes: Source: GSV
Dayton "22 (Downtown)"	Listing Updated: August 2020 Operating Company: at&t/SBC/Ameritech/Ohio Bell CLLI: DYTNOH2222E DYTNOH2222J Switch Type: 22E: Nokia/Alcatel/Lucent 5ESS 22J:  Ribbon/Genband/Nortel DMS-100 Prefixes Served: 22E: (937) 356, 455 22J: (937) 208, 220-9, 234, 85, 331, 333, 341, 443, 445, 449, 457, 461, 463, 485, 495-6, 512, 542, 580, 586, 627, 630, 640-1, 824 Notes: Source: GSV
Dayton "23" Photo 2	Listing Updated: August 2020 Operating Company: at&t/SBC/Ameritech/Ohio Bell CLLI: DYTNOH2323C Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (937) 233, 235-7 Notes: Photo 2 is the original picture from October 2008. Current picture: GSV
Dayton "25"	Listing Updated: August 2020 Operating Company: at&t/SBC/Ameritech/Ohio Bell CLLI: DYTNOH25DS1 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (937) 252-4, 256, 258-9, 476, 781 Notes: Source: GSV
Dayton "26"	Listing Updated: August 2020 Operating Company: at&t/SBC/Ameritech/Ohio Bell CLLI: DYTNOH26DS1 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (937) 262-3, 267-8 Notes: Source: GSV
Dayton "27"	Listing Updated: August 2020 Operating Company: at&t/SBC/Ameritech/Ohio Bell CLLI: DYTNOH27DS1 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (937) 274-9 Notes: Source: GSV
Dayton "29"	Listing Updated: August 2020 Operating Company: at&t/SBC/Ameritech/Ohio Bell CLLI: DYTNOH29DS1 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (937) 290, 293-4, 296-9, 395-6, 499, 528, 534, 643 Notes: Source: GSV
Dayton "Centerville"	Listing Updated: August 2020 Operating Company: at&t/SBC/Ameritech/Ohio Bell CLLI: CNTMOH43DS1 Switch Type: Nokia/Siemens EWSD DE5 Prefixes Served: (937) 291, 312, 428, 432-6, 438-9 Notes: Source: GSV
Miamisburg-West Carrollton "Miamisburg"	Listing Updated: August 2020 Operating Company: at&t/SBC/Ameritech/Ohio Bell CLLI: MMBGOH86DS1 Switch Type: Nokia/Siemens EWSD DE5 Prefixes Served: (937) 384, 847, 859, 865-6 Notes: Source: GSV
Piqua	Listing Updated: August 2020 Operating Company: at&t/SBC/Ameritech/Ohio Bell CLLI: PIQUOH7777C Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (937) 615, 773, 778 Notes: Source: GSV
Sidney Photo 2 | Photo 3 | Photo 4	Listing Updated: June 2020 Operating Company: Brightspeed/Centurylink/EMBARQ/Sprint/United Telephone CLLI: SDNYOHXA49C Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (937) 492-4, 497-8 Notes: Photos 2-4 are the original ones from April 2006. Current photo source: GSV
Troy	Listing Updated: August 2020 Operating Company: Fronteir/Verizon/GTE CLLI: TROYOHXADS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (937) 332, 335, 339, 440 Notes: Source: GSV
Urbana	Listing Updated: August 2020 Operating Company: Champaign Telephone Company CLLI: URBNOHXADS1 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (937) 484, 652-3 Notes: Also serves Terre Haute, OH. Source: GSV
Vandalia "Dayton Vandalia"	Listing Updated: August 2020 Operating Company: at&t/SBC/Ameritech/Ohio Bell CLLI: DYTNOH8989C Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (937) 264, 415, 454, 890 898 Notes: Source: GSV
Xenia	Listing Updated: August 2020 Operating Company: at&t/SBC/Ameritech/Ohio Bell CLLI: XENIOH3737C Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (937) 372, 374, 376, 562, 708 Notes: Source: GSV

Visit other Ohio Area Codes: 216 330 419 440 513 614 740 937

Visit nearby regions: Indiana Kentucky Michigan Pennsylvania West Virginia