Wholesale: Products & Services

Access Service Coordination-Exchange Company (ASC-EC) - V8.0

History Log

Description

The Access Service Coordination-Exchange Company (ASC-EC) process identifies the responsibilities of each Access Provider (AP) when jointly providing access service. Arrangements are established on a LATA wide basis and are negotiated between APs. The Access Customer (AC) will identify the AP responsible for over-all coordination of an access order.

Identifying ASC-EC

Private Line DS0 Voicegrade Circuit

CenturyLink is usually the ASC-EC unless the exception identified below exists:

IF THE ACCESS PROVIDER IS: THE ASR REQUESTS:

CenturyLink entity:  CenturyTel (formerly PTI) (W) 

CenturyLink entity: Embarq (previously Sprint/United; also known as United Tel of the West) (E,W)

Citizens Comm (NM only) (C)

Contel (W)

Contel of Illinois d.b.a. Verizon of Illinois (formerly GTE of Illinois) (E)

Contel of the West (ID & UT) (C)

Mankato Citizens Telephone Company (E) d.b.a. HickoryTech (E)

Mid-Communications d.b.a. HickoryTech (E)

Northland Telephone Company d.b.a. PTI (also known as CenturyTel) (E)

Verizon

2 Point - ASC-EC = Access Provider of End User

Multi-point - ASC-EC = Access Provider of 1st Bridge

Frontier

2 Point - ASC-EC = Access Provider of the End User (SECLOC)

Multi-point - ASC-EC = Access Provider of the 1st Bridge
Windstream – IA, MN, NE, NM

2 Point - ASC-EC = Access Provider of the End User (SECLOC)

Multi-point - ASC-EC = Access Provider of the 1st Bridge

E = Eastern Region only (IA, MN, ND, NE, SD)

C = Central Region only (AZ, CO, ID, MT, NM, UT, WY)

W = Western Region only (OR, WA)

Digital Data Service

CenturyLink is usually the ASC-EC unless the exception identified below exists:

IF THE ACCESS PROVIDER IS: THEN THE ASC-EC IS:

Ameritech/SBC Corp (E) (previously Ameritech, Illinois Bell)

CenturyLink entity: CenturyTel (formerly PTI) (W) 

Citizens Comm (NM only) (C)

Contel (W)

Contel of Illinois d.b.a. Verizon of Illinois (formerly GTE of Illinois) (E)

Contel of the West (ID & UT) (C)

CenturyLink entity: Embarq (previously Sprint/United; also known as United Tel of the West) (E,W)

Mankato Citizens Telephone Company d.b.a.  HickoryTech (E)

Mid-Communications d.b.a.  HickoryTech (E)

HickoryTech (E)

Verizon (formerly GTE)

2 point = Access Provider with the 1st bridge or MUX

Multi-point = Access Provider with the first HUB or MUX

Northland Telephone Company d.b.a. PTI (also known as CenturyTel) (E)

2 Point =Access provider of End User
Multi-point = Access Provider of End User

Frontier

2-Point = Access Provider of the End User (SECLOC)

Multi-point - ASC-EC = Access Provider with the first HUB or MUX

Citizens Utilities (AZ only) (C)

Contel of Arizona (C)

Ellensburg INS Participating Companies (Iowa Network Services) (E)

Iowa Telcom North (formerly GTE - North)

Iowa Telcom (formerly GTE - Iowa)

Iowa Telcom Systems (formerly GTE Systems - Iowa)

Valor Telecommunications

CenturyLink

Windstream – IA, MN, NE, NM

2 Point - ASC-EC = Access Provider of the End User (SECLOC)

Multi-point - ASC-EC = Access Provider of the 1st Bridge

E = Eastern Region only (IA, MN, ND, NE, SD)

C = Central Region only (AZ, CO, ID, MT, NM, UT, WY)

W = Western Region only (OR, WA)

HICAP

CenturyLink is usually the ASC-EC unless the exception identified below exists:

    Note: When processing circuit related to CenturyLink MOE (Metropolitan Optical Ethernet) service, CenturyLink will be the ASC-EC.

    Note: When processing DS3 circuits riding a SHNS ring the ASC-EC will be the company providing the Access Nodes on the ring. When Access Nodes are located in CenturyLink AND ILEC territory, the ASC-EC will be the same as the initial install of the ring. For example, if an OC48 SHNS ring has Access Nodes in Verizon and CenturyLink territories and the original ASC-EC was CenturyLink, the ASC-EC for circuits riding the ring will be CenturyLink.
IF THE ACCESS PROVIDER IS: THEN THE ASC-EC IS:

CenturyLink entity: CenturyTel (formerly PTI) (W)

CenturyLink entity:  Century Tel (WY) (C)

Contel (W)

Contel of Illinois d.b.a. Verizon of Illinois (formerly GTE of Illinois) (E)

Contel of the West (ID & UT) (C)

Mankato Citizens Telephone Company d.b.a. HickoryTech (E)

Mid-Communications Company d.b.a. HickoryTech (E)

Verizon

Whidbey (W)
2 Point no CFA provided = Access Provider of End User

2 Point with CFA provided = Access Provider of MUX

Multi-plexed no CFA provided = Access Provider of End Office MUX

Multi-plexed with CFA provided = Access Provider of 1st MUX

CenturyLink entity: Embarq (previously Sprint/United; also known as United Tel of the West) (E, W)

Non muxed (CLS) - Access Provider of the End User
Multiplexed (CLF) = Access Provider of the multiplexer (SECLOC).
NOTE: The CFA is not used to determine ASC-EC, only the ‘end’ wire center. It makes no difference when the circuit is riding a higher facility, or CFA. The end user's wire center or end office (SECLOC) is used to determine ASC-EC.

Frontier

2 Point = Access Provider of End User

Multi-Plexed = Access Provider of the End User

Northland Telephone Company d.b.a. PTI (also known as CenturyTel) (E)
Ameritech/SBC (E) (previously Ameritech, Illinois Bell)

2 Point =Access Provider of End User
Multi-plexed = Access Provider of End Office Mux

Contel of AZ (C)
Ellensburg INS Participating Companies (Iowa Network Services) (E)
Iowa Telcom North (formerly GTE - North)
Iowa Telcom (formerly GTE - Iowa)
Iowa Telcom Systems (formerly GTE Systems - Iowa)
Valor Telecommunications

CenturyLink

Windstream – IA, MN, NE, NM 2 Point = Access Provider of End User

Multi-Plexed = Access Provider of the End User

E = Eastern Region only (IA, MN, ND, NE, SD)

C = Central Region only (AZ, CO, ID, MT, NM, UT, WY)

W = Western Region only (OR, WA)

Switched

CenturyLink is usually the ASC-EC unless the exception identified below exists:

IF THE ACCESS PROVIDER IS: THEN THE ASC-EC IS:

Ameritech/SBC (E) (previously Ameritech, Illinois Bell
CenturyLink entity: CenturyTel (formerly PTI) (E, W)
Citizens Comm (NM only) (C)  
Verizon
Contel of Illinois (E)
Continental Tel (W)
Continental Tel. of the West (C)(ID & UT)
Ellensburg (W)
Verizon (formerly GTE)
Iowa Telcom North (formerly GTE - North)
Iowa Telcom (formerly GTE - Iowa)
Iowa Telcom Systems (formerly GTE Systems - Iowa)
CenturyLink entity: Embarq (previously Sprint/United; also known as United Tel of the West) (E,W),
Whidbey (W)

FGA = ACCESS PROVIDER of Dial Tone Office

FGB,C,D = ACCESS PROVIDER of the End Office or Tandem

Iowa Network Service (INS) (E)

FGB,D = Access Provider of the End Office or Tandem

Frontier FGA = First point of switching (SECLOC)

FGB,C,D = First point of switching (SECLOC)

Valor Telecommunications

CenturyLink

Windstream – IA, MN, NE, NM FGA = First point of switching (SECLOC)

FGB,C,D = First point of switching (SECLOC)

E = Eastern Region only (IA, MN, ND, NE, SD)

C = Central Region only (AZ, CO, ID, MT, NM, UT, WY)

W = Western Region only (OR, WA)

Note: CenturyLink will name any new CFA associated with trunks EXCEPT when co-providing with Ameritech.

WATS

CenturyLink is usually the ASC-EC unless the exception identified below exists:

IF THE ACCESS PROVIDER IS: THEN THE ASC-EC IS:

CenturyLink entity: CenturyTel (formerly PTI) (W)
CenturyLink entity: Embarq (previously Sprint/United; also known as United Tel of the West)  (E,W)
Citizens Comm (NM only) (C)
Contel of Illinois (E)
Continental Tel (W)
Iowa Network Service (INS) (E)
Mankato Citizens Telephone Company d.b.a.  HickoryTech (E)
Mid-Communications d.b.a.  HickoryTech (E)
Verizon
Whidbey (W)

ACCESS PROVIDER of WATS serving office
Frontier First point of Switching

Continental Tel. of the West (ID & UT) (C)
Frontier (formerly Verizon; (formerly GTE) (E)

Access Provider of End User

Windstream – IA, MN, NE, NM First point of Switching

E = Eastern Region only (IA, MN, ND, NE, SD)

C = Central Region only (AZ, CO, ID, MT, NM, UT, WY)

W = Western Region only (OR, WA)

AT&T Exceptions

CenturyLink will not be the ASC-EC for private line DS0 between Alexandria and St. Cloud, MN when AT&T is the AC. Also CenturyLink will not be the ASC-EC when the circuit is provisioned between AT&T's ACTL/POI/COLLO at Owatonna and the access tandem at Mankato. This exception for AT&T applies to the following NPA/NXX's:

HickoryTech: Mankato Citizens

507-344, 345, 386, 387, 388, 389, 625

HickoryTech: Mid-Communications

507-243, 245, 257, 278, 524, 546, 549,  674,  726, 869, 947, 674

CenturyLink entity: Embarq (United Telephone)

507-375

Frontier Telephone

507-234

Madelia Telephone

507-642

Availability

Access Service Coordination-Exchange Company (ASC-EC) is available where facilities exist throughout CenturyLink QC.

Contacts

CenturyLink contact information is located in Wholesale Customer Contacts.

Frequently Asked Questions (FAQs)

This section is being compiled based on your feedback.

Last Update: July 21, 2015