| Carrier Code | Carrier Name | Tariff Name | Tariff Type | State | OCN | Services |
| BLAL | Bell Atlantic - New Jersey, Inc. | B.P.U.-N.J.#2[Access Service] | State Access | NJ | None | Voice Grade,DDS,T1 |
| BLAL | Bell Atlantic - New Jersey, Inc. | B.P.U.-N.J.#2[Channel Service] | State Private Line | NJ | None | DDS,T1 |
| BLSO | BellSouth Telecommunications, Inc. - Alabama | Chapter B. Private Line Services Tariff | State Private Line | AL | None | DDS,T1,T3,OC3,OC12 |
| BLSO | BellSouth Telecommunications, Inc. - Alabama | Chapter E. Access Service Tariff | State Access | AL | None | Voice Grade,DDS,T1 |
| BLSO | BellSouth Telecommunications, Inc. - Florida | Chapter B. Private Line Services Tariff | State Private Line | FL | None | DDS,T1,T3,OC3,OC12 |
| BLSO | BellSouth Telecommunications, Inc. - Florida | Chapter E. Access Service Tariff | State Access | FL | None | Voice Grade,DDS,T1 |
| BLSO | BellSouth Telecommunications, Inc. - Georgia | Chapter B. Private Line Services Tariff | State Private Line | GA | None | DDS,T1,T3,OC3,OC12 |
| BLSO | BellSouth Telecommunications, Inc. - Georgia | Chapter E. Access Service Tariff | State Access | GA | None | Voice Grade,DDS,T1 |
| BLSO | BellSouth Telecommunications, Inc. - Kentucky | Chapter B. Private Line Services Tariff | State Private Line | KY | None | DDS,T1,T3,OC3,OC12 |
| BLSO | BellSouth Telecommunications, Inc. - Kentucky | Chapter E. Access Service Tariff | State Access | KY | None | Voice Grade,DDS,T1 |
| BLSO | BellSouth Telecommunications, Inc. - Louisiana | Chapter B. Private Line Services Tariff | State Private Line | LA | None | DDS,T1,T3,OC3,OC12 |
| BLSO | BellSouth Telecommunications, Inc. - Louisiana | Chapter E. Access Service Tariff | State Access | LA | None | Voice Grade,DDS,T1 |
| BLSO | BellSouth Telecommunications, Inc. - Mississippi | Chapter B. Private Line Services Tariff | State Private Line | MS | None | DDS,T1,T3,OC3,OC12 |
| BLSO | BellSouth Telecommunications, Inc. - Mississippi | Chapter E. Access Service Tariff | State Access | MS | None | Voice Grade,DDS,T1 |
| BLSO | BellSouth Telecommunications, Inc. - North Carolina | Chapter B. Private Line Services Tariff | State Private Line | NC | None | DDS,T1,T3,OC3,OC12 |
| BLSO | BellSouth Telecommunications, Inc. - North Carolina | Chapter E. Access Service Tariff | State Access | NC | None | Voice Grade,DDS,T1 |
| BLSO | BellSouth Telecommunications, Inc. - South Carolina | Chapter B. Private Line Services Tariff | State Private Line | SC | None | DDS,T1,T3,OC3,OC12 |
| BLSO | BellSouth Telecommunications, Inc. - South Carolina | Chapter E. Access Service Tariff | State Access | SC | None | Voice Grade,DDS,T1 |
| BLSO | BellSouth Telecommunications, Inc. - Tennessee | Chapter B. Private Line Services Tariff | State Private Line | TN | None | DDS,T1,T3,OC3,OC12 |
| BLSO | BellSouth Telecommunications, Inc. - Tennessee | Chapter E. Access Service Tariff | State Access | TN | None | Voice Grade,DDS,T1 |
| CTZC | Citizens Telecommunications Company of Minnesota, Inc. (Lakes) | Access Service | State Access | MN | 1123 | Voice Grade,DDS,T1 |
| CTZC | Citizens Telecommunications Company of Minnesota, Inc. (South) | Access Service | State Access | MN | 1123 | Voice Grade,DDS,T1 |
| CTZC | Citizens Telecommunications Company Of Nevada | P.U.C.N. Tariff No. A-3[Access Service] | State Access | NV | 2354 | Voice Grade,DDS,T1 |
| CTZC | Citizens Telecommunications Company of New York, Inc. | Schedule New York P.S.C. No. 1-T[Access Service] | State Access | NY | 0096 | Voice Grade,DDS,T1,T3 |
| CTZC | Citizens Telecommunications Company Of Oregon | P.U.C. OR. No. 2[Access Service] | State Access | OR | 3401 | Voice Grade,DDS,T1 |
| CTZC | Citizens Telecommunications Company of Tennessee, L.L.C. | Schedule Tennessee[Access Service] | State Access | TN | 0577 | Voice Grade,DDS,T1 |
| CTZC | Citizens Telecommunications Company of Tennessee, L.L.C. | Schedule Tennessee[Access Service] | State Access | TN | 4336 | Voice Grade,DDS,T1 |
| CTZC | Citizens Telecommunications Company of the Golden State | Schedule Cal. P.U.C. No. 1-T | State Access | CA | 3402 | Voice Grade,DDS,T1 |
| CTZC | Citizens Telecommunications Company of Tuolumne | Schedule Cal. P.U.C. No. 1-T | State Access | CA | 2342 | Voice Grade,DDS,T1 |
| CTZC | Citizens Telecommunications Company of Utah | Schedule Utah P.S.C. No.1-T[Access Service] | State Access | UT | 4429 | Voice Grade,DDS,T1 |
| CTZC | Citizens Telecommunications Company of West Virginia | PSC WV No. 3[Access Service] | State Access | WV | 0270 | Voice Grade,DDS,T1 |
| CTZC | CTC of Illinois | Ill. C.C. No. 5 | State Access | IL | 1183 | Voice Grade,DDS,T1,T3 |
| CTZC | CTC of Nebraska | Access Service | State Access | NE | 1128 | Voice Grade,DDS,T1,T3 |
| CTZC | Frontier Citizens Utilities Rural | Telephone Tariff | State Access | AZ | 2172 | Voice Grade,DDS,T1 |
| FNRO | Frontier Communication - St. Croix, Inc. | Intrastate Access Tariff No. 1 | State Access | WI | 0944 | Voice Grade,DDS,T1,T3 |
| CTZC | Frontier Communications of California | Schedule Cal. P.U.C. No. 1-T | State Access | CA | 2308 | Voice Grade,DDS,T1 |
| CTZC | Frontier Communications of Idaho | Schedule Idaho P.U.C. No. 1-T | State Access | ID | 4427 | Voice Grade,DDS,T1 |
| FNRO | Frontier Communications of Mondovi, Inc. | Intrastate Access Tariff No.1 | State Access | WI | 0912 | Voice Grade,DDS,T1,T3 |
| CTZC | Frontier Communications of the White Mountains | Arizona Access Tariff No. 1 | State Access | AZ | 4426 | Voice Grade,DDS,T1,T3 |
| FNRO | Frontier Communications of Viroqua, Inc. | Intrastate Access Tariff No. 1 | State Access | WI | 0967 | Voice Grade,DDS,T1,T3 |
| FNRO | Frontier Communications of Wisconsin, Inc. | Intrastate Access Tariff No. 1 | State Access | WI | 0964 | Voice Grade,DDS,T1,T3 |
| GTOC | GTE Hawaiian Telephone Company Incorporated | P.U.C.#17[Local - Digital Private Lines] | State Private Line | HI | None | DDS,T1 |
| AMCH | Illinois Bell Telephone Company | Ill. C.C. No. 19[Part 15 - Dedicated Communications Services] | State Private Line | IL | None | Voice Grade,DDS,T1,T3,OC3,OC12,OC48,OC192 |
| AMCH | Illinois Bell Telephone Company | Ill. C.C. No. 21[Access Service] | State Access | IL | None | Voice Grade,DDS,T1,T3,OC3,OC12,OC48,OC192 |
| AMCH | Indiana Bell Telephone Company, Inc. | Indiana Catalog[Part 15 - Dedicated Communications Services] | State Private Line | IN | None | Voice Grade,DDS,T1,T3,OC3,OC12,OC48,OC192 |
| AMCH | Indiana Bell Telephone Company, Inc. | IURC No. 20[Part 21 - Access Service] | State Access | IN | None | Voice Grade,DDS,T1,T3,OC3,OC12,OC48,OC192 |
| AMCH | Michigan Bell Telephone Company | M.P.S.C. No. 20R[Part 21 - Access Service] | State Access | MI | None | Voice Grade,DDS,T1,T3,OC3,OC12,OC48,OC192 |
| AMCH | Michigan Bell Telephone Company | M.P.S.C. No. 20U[Part 15 - Dedicated Communications Services] | State Private Line | MI | None | Voice Grade,DDS,T1,T3,OC3,OC12,OC48,OC192 |
| CTZC | Navajo Communications Company | Arizona Access Tariff No. 1 | State Access | AZ | 4449 | Voice Grade,DDS,T1 |
| NEVA | Nevada Bell, Nevada | Tariff P.S.C.N. No.B5[Digital Access Service] | State Private Line | NV | None | DDS,T1 |
| NEVA | Nevada Bell, Nevada | Tariff P.S.C.N. No.C7-A[Access Service] | State Access | NV | None | Voice Grade,DDS,T1,T3 |
| NYNX | New England Telephone and Telegraph Company | Dte MA#10[Exchange And Network Services - Local] | State Private Line | MA | None | DDS,T1 |
| NYNX | New England Telephone and Telegraph Company | Dte MA#15[Access Service] | State Access | MA | None | Voice Grade,DDS,T1 |
| NYNX | New England Telephone and Telegraph Company | PUC ME#15[Local - Exchange And Network Services] | State Private Line | ME | None | DDS,T1 |
| NYNX | New England Telephone and Telegraph Company | PUC ME#17[Access - Exchange And Network Services] | State Access | ME | None | Voice Grade,DDS,T1 |
| PACT | Pacific Bell, California | Schedule Cal.P.U.C. No. 175-T[Access Service] | State Access | CA | None | Voice Grade,DDS,T1,T3,OC3,OC12,OC48,OC192 |
| USWC | Qwest Corporation - Arizona | Competitive Private Line Transport Services Price Cap Tariff - High Capacity Services | State Private Line | AZ | None | DDS,T1,T3 |
| USWC | Qwest Corporation - Iowa | Private Line Transport Services Catalog | State Private Line | IA | None | DDS,T1,T3,OC3,OC12,OC24,OC48 |
| USWC | Qwest Corporation - Minnesota | Private Line Transport Services Price List | State Private Line | MN | None | DDS,T1,T3,OC3,OC12,OC24,OC48 |
| USWC | Qwest Corporation - Montana | Private Line Transport Services Tariff and Price List | State Private Line | MT | None | DDS,T1 |
| USWC | Qwest Corporation - Nebraska | Private Line Transport Services Catalog | State Private Line | NE | None | DDS,T1,T3 |
| USWC | Qwest Corporation - New Mexico | Private Line Transport Services Tariff | State Private Line | NM | None | DDS,T1 |
| USWC | Qwest Corporation - North Dakota | Private Line Transport Services Catalog | State Private Line | ND | None | DDS,T1,T3 |
| USWC | Qwest Corporation - Oregon | Private Line Transport Services Tariff | State Private Line | OR | None | DDS,T1 |
| USWC | Qwest Corporation - South Dakota | Private Line Transport Services Catalog | State Private Line | SD | None | DDS,T1 |
| USWC | Qwest Corporation - Utah | Private Line Price List | State Private Line | UT | None | DDS |
| USWC | Qwest Corporation - Washington | Private Line Transport Services Tariff | State Private Line | WA | None | DDS,T1,T3 |
| USWC | Qwest Corporation - Wyoming | Private Line Price Schedule | State Private Line | WY | None | DDS,T1 |
| CTZC | Rhinelander Telephone Company, Llc | Intrastate Access Tariff No. 2 | State Access | WI | None | Voice Grade,DDS,T1,T3 |
| SWBL | SBC - Arkansas | Access Service | State Access | AR | None | Voice Grade,DDS,T1 |
| SWBL | SBC - Arkansas | Digital Link Service | State Private Line | AR | None | DDS,T1,T3,OC3,OC12,OC48,OC192 |
| SWBL | SBC - Kansas | Access Service | State Access | KS | None | Voice Grade,DDS,T1 |
| SWBL | SBC - Kansas | Private Line Service | State Private Line | KS | None | DDS,T1,T3,OC3,OC12,OC48 |
| SWBL | SBC - Missouri | P.S.C. Mo.-No. 36[Access Service] | State Access | MO | None | Voice Grade,DDS,T1 |
| SWBL | SBC - Missouri | P.S.C. Mo.-No. 38[Digital Link Service] | State Private Line | MO | None | DDS,T1,T3 |
| SWBL | SBC - Oklahoma | Access Service | State Access | OK | None | Voice Grade,DDS,T1 |
| SWBL | SBC - Oklahoma | Private Line Service | State Private Line | OK | None | DDS,T1,OC3,OC12,OC48 |
| SWBL | SBC - Texas | Access Service | State Access | TX | None | Voice Grade,DDS,T1 |
| SWBL | SBC - Texas | Dgital Link Service | State Private Line | TX | None | DDS,T1,T3,OC3,OC12 |
| BLAL | The Bell Telephone Company Of Pennsylvania | Pa. P.U.C.#304[Special Services] | State Access | PA | None | Voice Grade,DDS |
| BLAL | The Bell Telephone Company Of Pennsylvania | Pa. P.U.C.#500[Local - Information Tariff For Competitive Services] | State Private Line | PA | None | T1 |
| AMCH | The Ohio Bell Telephone Company | P.U.C.O. No. 20[Part 15 - Dedicated Communications Services] | State Private Line | OH | None | Voice Grade,DDS,T1,T3,OC3,OC12,OC48,OC192 |
| AMCH | The Ohio Bell Telephone Company | P.U.C.O. No. 20[Part 21 - Access Service] | State Access | OH | None | Voice Grade,DDS,T1,T3,OC3,OC12,OC48,OC192 |
| SNET | The Southern New England Telephone Company | Connecticut Access Service Tariff | State Access | CT | None | Voice Grade,DDS,T1,T3 |
| SNET | The Southern New England Telephone Company | General Exchange[Part IV. Private Line Services And Channels] | State Private Line | CT | None | DDS,T1 |
| GSTC | Verizon California Inc. | Access Service | State Access | AZ | None | DDS,T1 |
| GTOC | Verizon California Inc. | Schedule Cal. P.U.C.#C-1[CA-GTE/Access - Cal. P.U.C No. C-1] | State Access | CA | None | Voice Grade,T1,T3 |
| GTOC | Verizon California Inc. | Schedule Cal. P.U.C.#C-1[CA-GTE/Access - Cal. P.U.C No. C-1] | State Access | CA | 2319 | DDS |
| GSTC | Verizon California Inc. | Schedule Cal. P.U.C.#C-1[CA-GTE/Access - Cal. P.U.C No. C-1] | State Access | CA | None | Voice Grade,DDS,T1,T3 |
| GTOC | Verizon California Inc. d.b.a. Verizon Nevada | P.U.C.N.#3-B[Nevada Access Tariff Verizon] | State Access | NV | None | T1,T3 |
| GSTC | Verizon California Inc. d.b.a. Verizon Nevada | P.U.C.N.#3-B[Nevada Access Tariff Verizon] | State Access | NV | None | Voice Grade,DDS,T1 |
| BLAL | Verizon Delaware Inc. | Discretionary Guide Price List | State Private Line | DE | None | DDS |
| BLAL | Verizon Delaware Inc. | Guide For Detariffed Svc - Competitive | State Private Line | DE | None | T1 |
| BLAL | Verizon Delaware Inc. | P.S.C.-Del.#36[Special Access] | State Access | DE | None | Voice Grade,DDS,T1 |
| GTOC | Verizon Florida Inc. | Facilities For Intrastate Access | State Access | FL | None | Voice Grade,DDS,T1,T3 |
| BLAL | Verizon Maryland Inc. | P.S.C.-Md.#204[Channel Services Tariff] | State Private Line | MD | None | DDS,T1 |
| BLAL | Verizon Maryland Inc. | P.S.C.-Md.#217[Access Service Tariff] | State Access | MD | None | Voice Grade,DDS,T1 |
| NYNX | Verizon New England Inc. | NHPUC#83[Exchange And Network Service] | State Private Line | NH | None | DDS,T1 |
| NYNX | Verizon New England Inc. | PSB VT#20[Local - Exchange And Network Services] | State Private Line | VT | None | DDS,T1 |
| NYNX | Verizon New England Inc. | PSB VT#23[Access Service] | State Access | VT | None | Voice Grade,DDS,T1 |
| NYNX | Verizon New England Inc. | PUC RI#15[Exchange And Network Services] | State Private Line | RI | None | DDS,T1 |
| NYNX | Verizon New York Inc. | DPUC CT No. 2 - [General Exchange Tariff] | State Private Line | CT | None | DDS,T1 |
| NYNX | Verizon New York Inc. | DPUC CT No. 8 - [Access Service] | State Access | CT | None | Voice Grade,DDS,T1 |
| NYNX | Verizon New York Inc. | PSC NY#1[Psc NY No. 1 (900) - General Tariff] | State Private Line | NY | None | DDS,T1,T3 |
| GTOC | Verizon North Inc. | I.U.R.C. No. T-3 (Access) | State Access | IN | None | Voice Grade,DDS,T1,T3 |
| GSTC | Verizon North Inc. | I.U.R.C. No. T-3 (Access) | State Access | IN | None | Voice Grade,DDS,T1,T3 |
| GSTC | Verizon North Inc. | Ill. C.C. No. 10 (Access) | State Access | IL | None | Voice Grade,DDS,T1,T3 |
| GTOC | Verizon North Inc. | Ill. C.C. No. 10 (Access) | State Access | IL | None | Voice Grade,DDS,T1,T3 |
| GTOC | Verizon North Inc. | M.P.S.C. No. 25R Facilites For Intrastate | State Access | MI | None | Voice Grade,DDS,T1,T3 |
| GTOC | Verizon North Inc. | P.S.C. of W.#4[P.S.C. Of W. No. 4 - Facilities For Intrastate Access] | State Access | WI | None | Voice Grade,DDS,T1,T3 |
| GTOC | Verizon North Inc. | P.U.C.O.#2[Facilities For Intrastate Access Tariff] | State Access | OH | None | Voice Grade,DDS,T1,T3 |
| GTOC | Verizon North Inc. | Telephone-Pa. P.U.C.#9[Facilities For Intrastate Access] | State Access | PA | None | Voice Grade,DDS,T1 |
| GSTC | Verizon North Inc. | Telephone-Pa. P.U.C.#9[Special Facilities For Intrastate Access] | State Access | PA | None | Voice Grade,DDS,T1 |
| GTOC | Verizon Northwest Inc. | I.P.U.C.#9[Facilities For Intrastate Access] | State Access | ID | None | Voice Grade,DDS,T1 |
| GTOC | Verizon Northwest Inc. | P.U.C. OR.#12[Facilities For Intrastate Access] | State Access | OR | None | Voice Grade,DDS,T1,T3 |
| GTOC | Verizon Northwest Inc. | WN U-16[Facilities For Intrastate Access] | State Access | WA | None | Voice Grade,DDS,T1,T3 |
| GSTC | Verizon Northwest Inc. | WN U-16[Facilities For Intrastate Access] | State Access | WA | None | T1,T3 |
| GSTC | Verizon South Inc. | Access Service Tariff[SCICAA0] | State Access | SC | None | Voice Grade,DDS,T1 |
| GSTC | Verizon South Inc. | Facilities For Intrastate Access [NCIGA0] | State Access | NC | None | Voice Grade,DDS,T1 |
| GTOC | Verizon South Inc. | Facilities For Intrastate Access[NCIGA0] | State Access | NC | None | Voice Grade,DDS,T1 |
| GTOC | Verizon South Inc. | Facilities For Intrastate Access[SCIGAA] | State Access | SC | None | Voice Grade,DDS,T1,T3 |
| GTOC | Verizon South Inc. | Facilities For Intrastate Access[VAIGAA0] | State Access | VA | None | Voice Grade,DDS,T1 |
| GSTC | Verizon South Inc. | Facilities For Intrastate Access[VAIGAA0] | State Access | VA | None | T1 |
| GTOC | Verizon Southwest TXG | Texas Facilities For State Access Tariff [TXIGA0] | State Access | TX | None | Voice Grade,DDS,T1,T3 |
| GSTC | Verizon Southwest TXG | Texas Facilities For State Access Tariff[TXIGA0]] | State Access | TX | None | Voice Grade,DDS,T1,T3 |
| BLAL | Verizon Virginia Inc. | S.C.C.-Va.#204[Channel Services Tariff] | State Private Line | VA | None | DDS,T1 |
| BLAL | Verizon Virginia Inc. | S.C.C.-Va.#217[Access Service Tariff] | State Access | VA | None | Voice Grade,DDS,T1 |
| BLAL | Verizon Washington, DC Inc. | P.S.C.-D.C.#204[Channel Services Tariff] | State Private Line | DC | None | DDS,T1 |
| BLAL | Verizon West Virginia Inc. | P.S.C.-W.Va.#204[Channel Services Tariff] | State Private Line | WV | None | DDS,T1 |
| BLAL | Verizon West Virginia Inc. | P.S.C.-W.Va.#217[Access Service Tariff] | State Access | WV | None | Voice Grade,DDS,T1 |
| AMCH | Wisconsin Bell, Inc | P.S.C. Of W. 20[Part 15 - Dedicated Communications Services | State Private Line | WI | None | Voice Grade,DDS,T1,T3,OC3,OC12,OC48,OC192 |
| AMCH | Wisconsin Bell, Inc. | P.S.C. of W. 2 | State Access | WI | None | Voice Grade,DDS,T1,T3,OC3,OC12,OC48,OC192 |