| Company Identifier |
Company | Address | City | State | Zip | 24 x 7 Phone | Areas Supported | Type of Serivce | |
| 360 | 360 Communications | 8725 W. Higgins Road | Chicago | IL | 60631 | 773-399-7317 | KY, TN, NC, SC, FL, TX, NM, IL, IA, IN, OH, PA, WV, VA, NV | CMRS | |
| ABN | Austin Bestline | 500 N. Cap. of TX Hwy. Bldg. 8, Ste 200 | Austin | TX | 78746 | 888-808-8847 | Austin, Houston, Dallas, San Antonio, TX | ||
|
ACI |
ALLTEL Communications, Inc. |
1 Allied Drive |
Little Rock |
AR |
72203 |
800-392-0186 |
AR, MO, OK, TX, MS, AL, NC, SC, FL, KY, OH, NY, PA, GA |
Facility |
|
| ACSI | American Communications Services, Inc. | 131 National Business Parkway, Suite 100 | Annapolis Junction | MD | 20701 | 301-617-7370 | AL, FL, GA, KY, LA, SC, TX, OK, KS, MO, AR, NM, AZ, CO, MD | CLEC | |
| ADVTL | Advanced Tel. | 913 S. Burnside | Gonzales | LA | 70737 | 504-621-4288 | LA | CLEC | |
| ALNT | Aliant Communications | 1440 M Street | Lincoln | NE | 68508 | 800-678-7169 | NE, IA, KS | Facility | |
|
ALLTL |
ALLTEL Corporation |
50 Executive Parkway |
Hudson |
OH |
44236 |
800-345-4484 |
OH, PA, NY, KY, SC, FL, GA, MO, AL, AR, TX, OK, NC |
Facility |
|
| ALTI | Allegiance Telecom, Inc. | 1950 Stemmons Freeway, Suite 3026 | Dallas | TX | 75207 | 800-553-1989 | USA | CLEC | |
| AMC | American MetroComm Inc. | 1615 Poydras St., Suite 1050 | New Orleans | LA | 70112 | 504-680-0118 | AL, LA, MS, TX, FL | CLEC | |
| AMCC | Ashford Meadows Cable & Comm | 2551 Cornelia Road | Herndon | VA | 20171 | 804-288-5500 | VA | CLEC | |
|
AMTCH |
Ameritech |
150 E. Gay St., Suite 4F |
Columbus |
OH |
43215 |
800-832-2998 |
IL, MI, OH, IN, WI |
ILEC |
|
|
ARCAD |
Arcadia Telephone |
200 Center St. |
Arcadia |
IA |
51430 |
712-689-2238 |
IA |
Facility |
|
| ATI | American Telco | 100 Waugh Drive, Suite 200 | Houston | TX | 77007 | 800-444-0258 | TX | Facility, Reseller | |
|
AT&T |
AT&T |
One Oak Way |
Berkeley Heights |
NJ |
07922 |
800-648-4936 |
USA |
ALL |
|
| ATTWS | AT&T Wireless Services, Inc. | 5000 Carillon Point | Kirkland | WA | 98033-8397 | 303-581-5781 | Selected States | Facility | |
|
ATU |
ATU Telecommunications |
600 Telephone Ave. |
Anchorage |
AK |
99503-6091 |
907-564-1642 |
Anchorage, Byrd, Indian, Girdwood, Portage, Hope, AK |
Facility |
|
| AWC | ALL WEST Communications | 50 W. 100 N | Kamas | UT | 84036 | 888-292-1414 | UT, WY | Region | |
|
BelAt |
Bell Atlantic |
13100 Columbia Pike (A39) |
Silver Spring |
MD |
20904 |
800-773-7911 |
MD, VA, WV, NJ, DC, PA, DE, NY, MA, VT, NH |
ACD |
|
| BELSO | BellSouth | Room 3911, 7 Executive Park | Atlanta | GA | 30329 | 800-784-7925 | AL, LA, MS, TN, KY, NC, SC, GA, FL | ILEC | |
|
BF911 |
Brooks Fiber Communications |
2855 Oak Industrial Drive NE |
Grand Rapids |
MI |
49506-1272 |
616-224-1272 |
AR,AZ,CA,CT,KS,MA,MI,MN,MO,MS,NM, |
CLEC |
|
| BIRCH | Birch Telecom, Inc. | 1000 Walnut, Suite 1220 | Kansas City | MO | 64108 | 888-772-4724 | MO, KS | Reseller | |
| BIXBY | Bixby Telephone Co. | 6 E. Breckenridge | Bixby | OK | 74008 | 918-366-8000 | Tulsa, OK | Telephone | |
| BMTC | Brindlee Mountain Telephone Co. | 113 S. Main St. | Arab | AL | 35016- | 205-586-2682 | Arab, Morgan City, Union Grove, AL | Facility | |
| BNTVL | Bentleyville Telephone Co. | 608 Main Street | Bentleyville | PA | 15314 | 724-239-2501 | Bentleyville, PA | LEC | |
| CALOR | Cal-Ore Telephone Co. | 719 W. 3rd. St.; PO BOX 847 | Dorris | CA | 96023 | 530-397-2211 | Dorris, Macdoel, Newell, Tulelake, Tennant, Tionesta, CA | Facility | |
| CALTL | Calaveras Telephone Company | 513 Main Street | Copperopolis | CA | 95228 | 209-785-22121 | Copperopolis & Jinny Lind, CA | Facility | |
| CCI | Commnet Cellular Inc. | 8350 E. Crescent Parkway, Suite 400 | Englewood | CO | 80111 | 303-694-8950 | IA, SD, ND, MT, WY, ID, CO, UT, NM, AZ | Cellualr | |
| CFWC | CFW Communications | 524 W. Broad Street | Waynesboro | VA | 22980 | 800-323-0457 | VA | TELCO | |
|
CHARV |
Chariton Valley Telephone Corporation |
606 Oak |
Bucklin |
MO |
64631 |
816-695-9930 |
MO |
Facility |
|
| CHES | Chester Telephone Company | 112 York Street | Chester | SC | 29706 | 803-385-3191 | SC | Facility | |
| CHOCM | CSWQ/ICG ChoiceCom, LP | 11902 Burnet Road, Suite 100 | Austin | TX | 78758 | 888-308-5441 | TX | Facility | |
| CINBT | Cincinnati Bell Telephone | 201 E. 4th Street | Cincinnati | OH | 45201 | 513-421-4911 | KY, OH, IN | ALL | |
| CITZN | Citizens Tel. Co of Keeksburg | SR Box 156 | Mammoth | PA | 15664-0156 | 800-710-5500 | Mt. Pleasant Twp., Unity Twp., PA | ILEC | |
| CLI | Cabelvision Lightpath, Inc. | 111 New South Road | Hicksville | NY | 11801 | 516-393-3434 | NY, CT | Facilities | |
| CMSCP | Comscape Telecommunications, Inc. | 1926 10th Ave. N, Suite 305 | West Palm Beach | FL | 33461 | 561-540-4765 | WV, NC | Facility | |
| CNTRY | Century Telephone Enterprises | 6501 Coliseum Blvd. | Alexandria | LA | 71303 | 800-824-2877 | LA, TX, & AR | Local Telco | |
| CONNC | Connect Communications Corporation | 124 W. Capitol, Suite 200 | Little Rock | AR | 72201 | 501-210-7624 | Arkansas | Facility, Residential | |
| cosrv | CoServ LLC | 1165 S. Stemmons, Suite 132 | Lewisville | TX | 75028 | 972-434-7450 | Wise, Collin, Denton, Tarrant, Dallas Counties, TX | LSP | |
| COX | Cox Com. Inc. | 1400 Lake Hearn Dr. | Atlanta | GA | 30319 | 888-326-9266 | USA | CLEC | |
| CTC | Concord Telephone Company Inc. | 68 Cabarrus Ave. E | Concord | NC | 28026-0227 | 704-722-2995 | Cabarrus, Stanley, & Rowan Counties, NC | ILEC | |
| CTES | CTC Exchanges Services Inc. | 68 Cabarrus Ave. E | Concord | NC | 28026-0227 | 704-722-2999 | NC | CLEC | |
| CTSI | Commonwealth Telecom Services Inc. | 300H Laird Street | Wilkes Barre | PA | 18702 | 888-889-2309 | PA | Facility | |
| CYTEL | Cytel or Cypress Telecommunications | 11811 North Freeway, Suite 800 | Houston | TX | 77060 | 800-324-6123 | USA | Facility | |
|
D&ETT |
Denver and Ephrata Telephone Company |
130 East Main Street |
Ephrata |
PA |
17522-0458 |
717-733-1411 |
PA |
Facility |
|
| DLT | DeltoCom, Inc. | 206 W. 9th Street | West Point | GA | 31833 | 888-473-8911 | AL, GA, FL, LA, MS. TN, KY, NC, SC | CLEC | |
|
EAGLE |
EagleNet, Inc. |
P.O.Box 779 |
Guymon |
OK |
73942 |
405-338-2556 |
OK |
Facility |
|
| EATEL | East Ascension Telephone Company | 913 S. Burnside | Gonzales | LA | 70737 | 504-621-4288 | LA | ILEC | |
| ELIG | Electric Light Wave Inc. | 8100 NE Parkway Drive | Vancouver | WA | 98662 | 800-662-4354 | WA, OR, UT, AZ, CA, ID | CLEC | |
| EMERY | Emery Telephone | 455 East Highway 29 | Orangeville | UT | 84537 | 435-748-2223 | Emery County, UT | Facility | |
| FCTI | Forest City Telecom, Inc. | 704 E. Main Street | Lake Mills | IA | 50450 | 800-216-6951 | IA | Facility | |
| FROMI | Frontier Communications | 200 Galleria Office Center, Suite 211 | Southfield | MI | 48034 | 800-783-4662 | USA | ALEC | |
| FROMN | Frontier Communications | 14450 Burnhaven Drive | Burnsville | MN | 55306-4198 | 800-435-1504 | MN, IA, WI, MI, IL, IN, AL, FL, MS, GA | ILEC | |
| FTCSC | Farmers Telephone Cooperative, Inc. | 1101 E. Main Street | Kingstree | SC | 29556 | 803-469-5233 | SC | LEC | |
| FWT | Fiber Wave Telecom, Inc. | 2950 Old SH 174 | Joshua | TX | 76058 | 817-447-2222 | Burleson, TX | LSP | |
| GGIPC | Georgia Independent PCS, Inc. | 4890 Raley Road | Macon | GA | 31206 | 912-476-9700 | Augusta, GA | PCS | |
| GHT | Golden Harbor of Texas, Inc. | 401 Carlson Circle | San Marcos | TX | 78666 | 800-200-3694 | TX, GA, FL, IN, WA | CLEC | |
| GPCI | Great Plains Communications, inc. | 1635 Front Street/ PO BOX 500 | Blair | NE | 68008-0500 | 888-343-8015 | NE, SD, CO, KS | Telco | |
| GST | GST Telecom, Inc. | 4317 NE Thurston Way | Vancouver | WA | 98662 | 360-882-2311 | WA,OR,ID,CA,HI,AZ,NM,TX | CLEC | |
| GTCOM | GT Com | 502 5th Street | Port St. Joe | FL | 32456 | 850-229-7241 | FL, GA | Local exchange | |
| GTE | GTE Telephone Operations | 600 Hidden Ridge, HQE02G61 | Irving | TX | 75038 | 800-483-0722 | USA | ILEC | |
| GWS | Grest West Services, Ltd. | 11615 Forest Central Drive, Suite 204 | Dallas | TX | 75243 | 800-452-3412 | Burleson, TX | LSP | |
|
HKY |
Hickory Telephone Company |
75 Main Street |
Hickory |
PA |
15340 |
888-721-3569 |
Cross Creek, Mt. Pleasant, Cecil, Smith, Chartiers, Townships, PA |
Facility |
|
| HOME | Home Telephone Co. | 501 N Douglas St. | St. Jacob | IL | 62281 | 618-644-2111 | IL | ILEC | |
| HTC | Harrisonville Telephone Co. | 213 S. Main St. | Waterloo | IL | 62298 | 618-939-6112 | IL | Facility | |
| HTCMK | Mankato Citizens Telephone Co. | 221 Hickory St. E. P.O.Box 3248 |
Mankato | MN | 56002-3248 | 507-387-1151 | MN & IA | Local Tel | |
|
HTJ |
HyPerion Telecommunications, Inc. |
2570 Boyce Plaza Road, Plaza III |
Pittsburgh |
PA |
15241 |
800-292-2314 |
USA |
Facility |
|
| HYVTL | Hayneville Telephone Company, Inc. | 210 E. Tuskeena St.; PO BOX 175 | Hayneville | AL | 36040 | North Lowndes County,AL | LEC | ||
| ICG | ICG Communications Inc,. | 9605 E. MaroonCircle | Englewood | CO | 80112 | 800-438-4835 | USA | Facility | |
| ICI | Intermedia Communications Inc. | 3625 Queen Palm Drive | Tampa | FL | 33619 | 800-597-8614 | USA | Facility | |
| ICTC | IL Consolidated Telephone Co. | 121 S. 17th St. | Mattoon | IL | 61938 | 800-879-2107 | IL | facility | |
| INTEC | Intetech, L.C. | 7077 Bonneval Rd., Suite 600 | Jacksonville | FL | 32216 | 888-807-3102 | FL, NC, TX, IL | ALEC | |
| ITC | Interstate Telephone Company | 910 First Avenue | West Point | GA | 31833 | 706-645-8855 | AL, GA | Telephone | |
| JCC | Jefferson Cable & Communications | 46950 Community Plaza, Suite 201 | Sterling | VA | 20164 | 804-288-5500 | VA | CLEC | |
| KMC | KMC Telecom | 503 Church Street | Huntsville | AL | 35801 | 205-551-1065 | AL, GA, LA, FL,, WI, TX | Wireline | |
| KOFA | Knology of Georgia, Inc. | 3633 Wheeler Road | Augusta | GA | 30909 | 800-453-1777 | Augusta, GA | Facility | |
| KOFC | Knology of Columbus | 1701 Boxwood Place | Columbus | GA | 31902 | 800-453-1777 | Columbus, GA | Facility | |
| KOFCH | Knology of South Carolina, Inc. | 3294 Ashley Phosphate Road | Charleston | SC | 29418 | 800-453-1777 | Charleston, SC | Facility | |
| KOFM | Knology of Montgomery | 3173 Taylor Road | Montgomery | AL | 36116 | 800-453-1777 | Montgomery, AL | Facility | |
| LOGIX | Dobson Wireless Inc., dba Logix | 100 Park Ave., Rm 900 | Oklahoma City | OK | 73102 | 888-391-8705 | OK,TX | CLEC | |
| LTCTN | Loretto Telephone Co. | 136 S. Main Street | Loretto | TN | 38469-0130 | 615-853-6100 | TN | ILEC | |
| M1MW | MediaOne | 14909 Beck Road | Plymouth Township | MI | 48170 | 888-963-0450 | MI | Facility | |
| M1NE | MediaOne Telecommunications of Mass, Inc. | Riverbend Park, 6 Campanelli Drive | Andover | MA | 01810 | 800-556-9979 | Facility | ||
| M1SE | MediaOne Florida Telecommunications, Inc. | 4801 Executive Park Court, Suite 208 | Jacksonville | FL | 32216 | 904-619-4800 | Jacksonville, Pompano Beach FL | POTS | |
| MBTEL | MEBTEL Communications | 114 W Center Street | Mebane | NC | 27302-0009 | 919-563-8203 | Alamance & Orange Counties, NC | LEC | |
|
MCI |
MCI metro |
8521 Leesburg Pike |
Vienna |
VA |
22182 |
800-374-6400 |
USA |
Facility |
|
| MCLDU | McLeod USA | 121 S. 17th Street | Mattoon | IL | 61938 | 800-654-3628 | IL | Reseller | |
| M-One | MediaOne, Inc. | 2995 Courtyards Drive | Norcross | GA | 30071-1555 | 800-785-3765 | Metropolitan Atlanta, GA | Facility | |
| MRTEL | Meretel | 913 S. Burnside | Gonzales | LA | 70737 | 540-621-4288 | LA, TX | PCS | |
| MTC | MediaOne | 550 N. Continental Blvd. | El Segundo | CA | 90245 | 800-921-8491 | CA | Facility | |
| MTI | Mountain Telecommunications, Inc. | 10190 E. McKellies Road | Scottsdale | AZ | 85256 | 602-850-9565 | AZ | Facility | |
|
MTSNV |
MultiTechnology Services |
1201 N. Richardson Dr., Ste. 200 |
Richardson |
TX |
75080-4680 |
800-545-3050 |
NV |
PBS |
|
|
MTSUS |
MultiTechnology Services |
1201 N. Richardson Dr., Ste. 200 |
Richardson |
TX |
75080-4680 |
800-545-3050 |
GA, FL, TX, AZ, CO, NV |
PBS |
|
|
MTSTX |
MultiTechnology Services |
1201 N. Richardson Dr., Ste. 200 |
Richardson |
TX |
75080-4680 |
800-545-3050 |
TX |
PBS |
|
|
MTSGA |
MultiTechnology Services |
1201 N. Richardson Dr., Ste. 200 |
Richardson |
TX |
75080-4680 |
800-545-3050 |
GA |
PBS |
|
|
MTSFL |
MultiTechnology Services |
1201 N. Richardson Dr., Ste. 200 |
Richardson |
TX |
75080-4680 |
800-545-3050 |
FL |
PBS |
|
|
MTSAZ |
MultiTechnology Services |
1201 N. Richardson Dr., Ste. 200 |
Richardson |
TX |
75080-4680 |
800-545-3050 |
AZ |
PBS |
|
|
MTSCO |
MultiTechnology Services |
1201 N. Richardson Dr., Ste. 200 |
Richardson |
TX |
75080-4680 |
800-545-3050 |
CO |
PBS |
|
| NATEL | National Tel | 6363 NW 6th Way, Suite 1000 | Ft. Lauderdale | FL | 33309 | 800-555-5585 | USA | CLEC | |
|
NB911 |
Nevada Bell |
645 E. Plumb Ln., B232 |
Reno |
NV |
89520 |
702-333-2360 |
Northern NV |
Tel. Co. |
|
|
NEFTC |
Northeast Florida Telephone Company, Inc |
130 North 4th St. |
Macclenny |
FL |
32063 |
904-259-2261 |
Baker Co., FL |
Local Exch |
|
| NEP | The North-Eastern Pennsylvania Tele. Co. | 720 Main St.; PO BOX D | Forest City | PA | 18421 | 717-785-3116 | Lackawanna, Wayne, and Susquehanna Counties, PA | Telephone | |
| NLIL | NEXTLINK Illinois | 810 Jorie Blvd., Suite 200 | Oak Brook | IL | 60523 | 888-313-6398 | IL | CLEC | |
| NLPAP | NEXTLINK | 92S Berkshire Blvd. | Wyomissing | PA | 19610 | 888-639-8522 | PA, WA, OR, CA, NV, UT, TX, IL, TN, GA, OH, NY, NJ | Facility | |
| NPT | North Pittsburgh Telephone Co. | 4008 Gibsonia Road | Gibsonia | PA | 15044-9311 | 800-472-0035 | Allegheny, Armstrong, Butler, & Westmoreland Counties, PA | Facility | |
| NPTCO | North Penn Telephone Co. | 34 Main Street | Prattsburgh | NY | 14873 | 607-522-3784 | Bradford & Tioga Counties, PA | Facility | |
| NSC | New South Communications, LLC | 355 Woodruff Road, Ste. 104 | Greenville | SC | 29607 | 888-627-5080 | SC | Facility and Reseller | |
| NSTC | North State Telephone Company | 111N. Main Street | High Point | NC | 27260 | 910-886-3900 | High Point, Thomasville, Jamestown, Randleman & other portions of Guilford, Forsyth, Davidson, & Randolph Counties, NC | Facility | |
| NXLKU | NEXTLINK Utah | 8871 S Sandy Parkway | Sandy | UT | 84070 | 800-999-6083 | UT | Facility | |
| NXLNV | NEXTLINK Nevada | 2240 Corporate Circle | Henderson | NV | 89014 | 702-990-1000 | Las Vegas, NV | Facility | |
| NXLOH | NEXTLINK Ohio | 2 Easton Oval, Suite 300 | Columbus | OH | 43219 | 800-861-4405 | OH | Facility | |
| NXTLK | NEXTLINK Tennessee, LLC | 105 Molloy Street, Suite 300 | Nashville | TN | 37201 | 800-639-8522 | TN, GA | CLEC | |
| OCI | OCI Communications, Inc. | 401 Second Ave. S, Suite 900 | Minneapolis | MN | 55402 | 888-865-9121 | MN | Facility | |
| OKMN | TDS Telcom Oakman | 8233 Market Street | Oakman | AL | 35579 | 205-622-3325 | Oakman, Flatwood, Nauvoo, Lynn, Grayson, AL | TDS | |
| OMPT | Omnipoint Communications Services | 16 Wing Drive | Cedar Knolls | NJ | 07927 | 888-218-6664 | USA | PCS | |
| OPTEL | OpTel Telecom, Inc. | 1111 W Mockingbird Ln, Suite 1000 | Dallas | TX | 752347 | 800-487-3320 | USA, Canada | CLEC/PSP | |
|
PB911 |
Pacific Bell |
1140 Galaxy #400 |
Concord |
CA |
94520 |
800-929-3981 |
CA, NV |
ILEL |
|
| PM911 | Phone Michigan | G4074 S. Linen Rd. | Flint | MI | 48507 | 888-330-9911 | MI | CLEC | |
| PBTCO | Pond Branch Telephone Co., Inc. | 1660 Juniper Springs Rd. | Gilbert | SC | 29054-9414 | 803-894-4222 | SC | ILEC | |
| PLDI | Pioneer Long Distance, Inc. | PO BOX 779 | Kingfisher | OK | 73750 | 800-375-6162 | OK | CLEC | |
| POWER | Powegtel | 1233 O.G. Skinner Drive | West Point | GA | 31833 | 888-670-0003 | GA, AL, TN, MS, GL, SC, KY, IN | Wireless | |
| PTC | Pioneer Telephone Cooperative | 108 East Roberts Ave. | Kingfisher | OK | 73750 | 800-375-6162 | OK | ILEC | |
|
PTCI |
Panhandle Telephone Cooperative, Inc. |
P.O.Box 1188 |
Guymon |
OK |
73942 |
405-338-2556 |
OK |
Facility |
|
| PTL | Property Technologies, Ltd. | 6501 Dickens Place | Richmond | VA | 23230 | 804-288-5500 | USA | PRI | |
|
PSRTC |
Perry-Spencer Rural Telephone Coop. |
11877 E. State Rd. 62 |
St. Meinrad |
IN |
47577 |
812-357-2123 |
IN |
LEC |
|
| RANTC | Randolph Telephone Company | 211 W Swannanoa Ave. | Liberty | NC | 72798-0609 | 336-622-7921 | Alamance, Guilford, Randolph, Chatam Counties, NC | LEC | |
| RBC | R&B Communications | 1000 Roanoke Road | Daleville | VA | 24083 | 540-992-3112 | VA | ILEC | |
| RCN | RCN | 105 Carnegie Center | Princeton | NJ | 08540 | 888-891-7770 | NY, MA | CLEC | |
| RSRV | Reserve Telephone Compnay, Inc. | PO Drawer T | Reserve | LA | 70084 | 504-536-3635 | Reserve, Garyville and Mt. Airy in St. John the Baptis Paris, LA | Facility | |
|
RSVL |
Roseville Telephone Company |
200 Vernon Street |
Roseville |
CA |
95678 |
916-969-3939 |
Roseville, Citrus Heights, Granite Bay, Antelope, CA |
Facility |
|
| RTI | Roome Telecommunications, Inc. | 7050West Second Street | Halsey | OR | 97348 | 541-369-2211 | Halsey & Surrounding Area, OR | Facility | |
| SAHPC | Savannah Independent PCS, Inc. | 4890 Raley Road | Macon | GA | 31206 | 912-476-9700 | Augusta, GA | PCS | |
| SATCO | South Arkansas Telephone Co. | 1st & Main; PO BOX 778 | Hampton | AR | 71744 | 501-798-2025 | AR | Facility | |
| SHORE | Shoreham Telephone Company | Route 22A | Shoreham | VT | 05770-0236 | 802-897-9911 | VT | Facility | |
|
SIERA |
Sierra Telephone Co., Inc. |
49150 Road 426 |
Oakhurst |
CA |
93614 |
209-683-2119 |
Madera & Mariposa Counties, CA |
Facility |
|
|
SISQ |
Siskiyou Telephone Co. |
30 Telco Way |
Elna |
CA |
96027 |
916-468-3001 |
Etna,Ft. Jones, Hamburg, Happy Cmp,Kalmath Riv,Sawyers Bar,Somes Bar, CA |
Facility |
|
| SLINC | Southern Communications Services, Inc. | 600 North 18th Street/7N-0800 | Brimingham | AL | 35203 | 205-257-11147 | GA, FL, AL, MS | CMRS | FL |
| SMVL | Smithville Telephone Company, Inc. | 1600 W. Temperance St; PO BOX 728 | Ellettsville | IN | 47429-0728 | 812-876-9644 | IN | ILEC | |
| SNET | Southern New England Telecom Corp. | 227 Church St. | New Haven | CT | 06511 | 203-420-3911 | CT | CLEC | |
| SOSCO | Shell Offshore Services | PO BOX 61933 | New Orleans | LA | 70161 | 800-672-1562 | New Orleans, LA | ALEC | |
| SPRNT | Sprint | 2330 Shawnee Mission Pkwy. | Westwood | KS | 66205 | 800-472-5580 | OH, IN, IL | ||
| STC | Standard Telephone Company | 2000 Communications Blvd. | Cornelia | GA | 30531 | 706-776-4611 | USA | Facility | |
| STMC | Skylinge Telephone Membership Corporation | PO BOX 759; 1200 NC Hwy 194 North | West Jefferson | NC | 28694 | 336-982-3111 | Ashe, Alleghany, Avery, and Watauga Counties, NC | Facility | |
|
STTN |
Stayton Cooperative Telephone Co. |
475 N. 2nd Ave. |
Stayton |
OR |
97383 |
503-769-5050 |
Stayton & surrounding rural area, OR |
LEC |
|
|
SWBT |
Southwestern Bell Telephone |
530 McCullough 6-C-O-4 |
San Antonio |
TX |
78215 |
210-886-2323 | MS, AR, KS, OK, TX |
Facility |
|
|
TAYCO |
Taylor Communications Group |
7551 Callaghan #275 |
San Antonio |
TX |
78229-2861 |
800-945-6044 |
TX |
Facility |
|
|
TCG |
Teleport Communications Group |
1 Teleport Drive |
Staten Island |
NY |
10311-1004 |
800-829-1011 |
USA |
||
| TLGNT | Teligent | 8065 Leesburg Pike, Suite 400 | Vienna | VA | 22182 | 800-269-3563 | USA | Resale, Facility | |
| TTC | Tech Telephone Company, LTD | 4747 S. Loop 289 | Lubbock | TX | 79424 | 800-658-9549 | Lubbock, TX | Facility | |
|
TWCOM |
Time Warner Communications |
5700 S. Quebec St. |
Greenwood Village |
CO |
80111 |
800-875-9489 |
USA |
Facility |
|
| USLDI | U.S. Long Distance | 9311 San Pedro S-100 | San Antonio | TX | 78216 | 800-460-1111 | USA | Facility | |
| USLFL | US LEC of Florida, L.L.C. | 212 S. Tryon St., Suite 1540 | Charlotte | NC | 28281 | 800-978-7532 | FL | Local & LD Facility | |
| USLGA | US LEC of Georgia, L.L.C. | 212 S. Tryon St., Suite 1540 | Charlotte | NC | 28281 | 800-978-7532 | GA | Local & LD Facility | |
| USLNC | US LEC of North Carolina, L.L.C. | 212 S. Tryon St., Suite 1540 | Charlotte | NC | 28281 | 800-978-7532 | NC | Local & LD Facility | |
| USLSC | US LEC of South Carolina, L.L.C. | 212 S. Tryon St., Suite 1540 | Charlotte | NC | 28281 | 800-978-7532 | SC | Local & LD Facility | |
| USLTN | US LEC of Tennessee, L.L.C. | 212 S. Tryon St., Suite 1540 | Charlotte | NC | 28281 | 800-978-7532 | TN | Local & LD Facility | |
| USLVA | US LEC of Virginia, L.L.C. | 212 S. Tryon St., Suite 1540 | Charlotte | NC | 28281 | 800-978-7532 | VA | Local & LD Facility | |
| USX | US Xchange LLC | 44 Grandville Ave. SW, Suite 400 | Grand Rapids | MI | 49503 | 616-563-9878 | IL, IN, WI | Facility | |
|
USWC |
U S West Communications |
1801 California, Rm. 350 |
Denver |
CO |
80202 |
800-357-0911 |
AZ, CO, ID, IA, MN, MT, NE, NM, ND, OR, SD, UT, WA, WY |
Tel. Co. |
|
| USWPS | U S West Communications | 1801 California, Rm. 350 | Denver | CO | 80202 | 800-641-7649 | AZ, CO, IA, ID, MN, NT, NE, NM, ND. OR, SD, UT, WA, WY | PS/ALI | |
| VALU | Valu-Line of Kansas | 1000 Walnut, Suite 1220 | Kansas City | MO | 64108 | 888-772-4724 | MO, KS | Reseller | |
| VISTA | Vista-United Telecommunications | 3100 Bonnet Creek Road | Lake Buena Vista | FL | 32830 | 407-827-1234 | Lake Buena Vista, FL | ILEC | |
| VTel | Vermont Telephone Company, Inc. | 354 River St. | Springfield | VT | 05156 | 802-885-9001 | VT | LEC | |
| WCC | Waller Creek Communications, Inc. | 1802 N. Lamar, Suite 201 | Austin | TX | 78701 | 512-485-7000 | Austin, TX | Shared Tenant | |
| WCOM | WORLDCOM | 1950 Stemmons Freeway | Dallas | TX | 75207 | 800-475-9637 | USA | LSP | |
|
WCRTC |
West Carolina Rural Telephone Coop., Inc |
P.O.Box 610 |
Abbeville |
SC |
29620 |
864-446-3111 |
SC |
Facility |
|
| WCTA | Winnebago Cooperative Telephone Association | 704 E. Main Street | Lake Mills | IA | 50450 | IA, MN | Facility | ||
|
WINN |
Winn Telephone Co. |
2766 W. Blanchard Rd. |
Winn |
MI |
48896 |
517-866-2211 |
Fremont Twp., MI |
Facility |
|
|
WNSTR |
Winstar Telecommunications Inc. |
7799 Leesburg Pike |
Falls Church |
VA |
22182 |
800-961-8800 |
USA |
Facility |
|
| WTS | W.T. Services, Inc. | 1010 Columbia | Friona | TX | 79035 | 806-364-5611 | City of Friona, TX | LSP | |
| XCOM | XCOM Technologies | One Main St., 11th Floor | Cambridge | MA | 02142 | 617-500-0055 | MA, NH, RI, NJ, CT, NY, VA, MD, DC | CLEC | |
| XITTX | XIT Rural Telephone Cooperative, Inv. | Hwy. 87 Nortyh | Dalmart | TX | 79022 | 800-232-3312 | Dalhart, TX | Facility |