Canadian Central Office Code Assignment Guidelines For Perinatal Care

1. Andrews EB, Tennis P. Promise and pitfalls of administrative data in evaluating pregnancy outcomes. Pharmacoepidemiol Drug Saf. 2007;16:1181–3. DOI: 10.1002/pds.1499. [PubMed]

2. Manson JM, McFarland B, Weiss S. Use of an automated database to evaluate markers for early detection of pregnancy. Am J Epidemiol. 2001;154:180–7.[PubMed]

3. Raebel MA, Ellis JL, Andrade SE. Evaluation of gestational age and admission date assumptions used to determine prenatal drug exposure from administrative data. Pharmacoepidemiol Drug Saf. 2005;14:829–36.[PubMed]

4. Johnsen SL, Wilsgaard T, Rasmussen S, et al. Fetal size in the second trimester is associated with the duration of pregnancy, small fetuses having longer pregnancies. BMC Pregnancy Childbirth. 2008;8:25. DOI: 1471-2393-8-25 [pii] 10.1186/1471-2393-8-25. [PMC free article][PubMed]

5. Andrade SE, Raebel MA, Morse AN, et al. Use of prescription medications with a potential for fetal harm among pregnant women. Pharmacoepidemiol Drug Saf. 2006;15:546–54.[PubMed]

6. Andrade SE, McPhillips H, Loren D, et al. Antidepressant medication use and risk of persistent pulmonary hypertension of the newborn. Pharmacoepidemiol Drug Saf. 2009;18:246–52.[PubMed]

7. Toh S, Mitchell AA, Werler MM, et al. Sensitivity and specificity of computerized algorithms to classify gestational periods in the absence of information on date of conception. Am J Epidemiol. 2008;167:633–40.[PubMed]

8. Hardy JR, Leaderer BP, Holford TR, et al. Safety of medications prescribed before and during early pregnancy in a cohort of 81,975 mothers from the UK General Practice Research Database. Pharmacoepidemiol Drug Saf. 2006;15:555–64.[PubMed]

9. Cole JA, Ephross SA, Cosmatos IS, et al. Paroxetine in the first trimester and the prevalence of congenital malformations. Pharmacoepidemiol Drug Saf. 2007;16:1075–85. DOI: 10.1002/pds.1463. [PubMed]

10. Cole JA, Modell JG, Haight BR, et al. Bupropion in pregnancy and the prevalence of congenital malformations. Pharmacoepidemiol Drug Saf. 2007;16:474–84. DOI: 10.1002/pds.1296. [PubMed]

11. Cooper WO, Hernandez-Diaz S, Arbogast PG, et al. Major congenital malformations after first-trimester exposure to ACE inhibitors. N Engl J Med. 2006;354:2443–51.[PubMed]

12. Cooper WO, Willy ME, Pont SJ, et al. Increasing use of antidepressants in pregnancy. Am J Obstet Gynecol. 2007;196:544, e1–5. DOI: S0002-9378(07)00144-5 [pii] 10.1016/j.ajog.2007.01.033. [PubMed]

13. Hanley GE, Morgan S. On the validity of area-based income measures to proxy household income. BMC Health Serv Res. 2008;8:79. DOI: 1472-6963-8-79 [pii] 10.1186/1472-6963-8-79. [PMC free article][PubMed]

14. Oberlander TF, Warburton W, Misri S, et al. Neonatal outcomes after prenatal exposure to selective serotonin reuptake inhibitor antidepressants and maternal depression using population-based linked health data. Arch Gen Psychiatry. 2006;63:898–906.[PubMed]

15. Oberlander TF, Warburton W, Misri S, et al. Effects of timing and duration of gestational exposure to serotonin reuptake inhibitor antidepressants: population-based study. Br J Psychiatry. 2008;192:338–43.[PubMed]

16. Oberlander TF, Warburton W, Misri S, et al. Major congenital malformations following prenatal exposure to serotonin reuptake inhibitors and benzodiazepines using population-based health data. Birth Defects Res B Dev Reprod Toxicol. 2008;83:68–76.[PubMed]

17. Hanley GE, Janssen PA, Greyson D. Regional variation in the cesarean delivery and assisted vaginal delivery rates. Obstet Gynecol. 2010;115:1201–8. DOI: 10.1097/AOG.0b013e3181dd918c 00006250-201006000-00016 [pii] [PubMed]

18. Statistics Canada [accessed June 15, 2010];Table 102-4516 - Live births and fetal deaths (stillbirths), by place of birth (hospital and non-hospital), Canada, provinces and territories, annual.

19. Bergsjo P, Denman DW, 3rd, Hoffman HJ, et al. Duration of human singleton pregnancy. A population-based study. Acta Obstet Gynecol Scand. 1990;69:197–207.[PubMed]

20. Reddy UM, Ko CW, Raju TN, et al. Delivery indications at late-preterm gestations and infant mortality rates in the United States. Pediatrics. 2009;124:234–40. DOI: 124/1/234 [pii] 10.1542/peds.2008-3232. [PMC free article][PubMed]

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22. Guideline: Prenatal screening for Down syndrome, trisomy 18 and open neural tube defects. [accessed August 15, 2009];BC Prenatal Genetic Screening Program.

23. Chodirker BN, Cadrin C, Davies GA, et al. Canadian Guidelines for Prenatal Diagnosis: Techniques of prenatal diagnosis. J Obstet Gynaecol Can. 2001;105:1–9.

24. Berger H, Crane J, Farine D, et al. Screening for gestational diabetes mellitus. J Obstet Gynaecol Can. 2002;24:894–912.[PubMed]

25. Wilson RD, Davies G, Gagnon A, et al. Amended Canadian guideline for prenatal diagnosis (2005) change to 2005-techniques for prenatal diagnosis. J Obstet Gynaecol Can. 2005;27:1048–62.[PubMed]

26. Summers AM, Langlois S, Wyatt P, et al. Prenatal screening for fetal aneuploidy. J Obstet Gynaecol Can. 2007;29:146–79.[PubMed]

27. Statistics Canada [accessed March 25, 2009];Table 102-4512 - Live births, by weeks of gestation and sex, Canada, provinces and territories, annual, CANSIM (database)

28. Alonso A, Jick SS, Olek MJ, et al. Recent use of oral contraceptives and the risk of multiple sclerosis. Arch Neurol. 2005;62:1362–5. DOI: 62/9/1362 [pii] 10.1001/archneur.62.9.1362. [PubMed]

29. Chapter 4 - Antepartum care in: Guidelines for Perinatal Care (AAP/ACOG) 6th edition. 2007. [accessed December 25, 2011]. Care.ashx?dmc=1&ts=20111227T0946493494.

30. ACOG Practice Bulletin Clinical management guidelines for obstetrician-gynecologists. Number 30, September 2001 (replaces Technical Bulletin Number 200, December 1994). Gestational diabetes. Obstet Gynecol. 2001;98:525–38.[PubMed]

31. Goldberg JD. Routine screening for fetal anomalies: expectations. Obstet Gynecol Clin North Am. 2004;31:35–50. DOI: 10.1016/s0889-8545(03)00118-9. [PubMed]

32. Clinical Guideline. RCOG Press; 2008. [accessed December 25, 2011]. Antenatal care: routine care for the healthy pregnant woman.

33. Diabetes in pregnancy: Management of diabetes and its complications from pre-conception to the postnatal period. [accessed December 25, 2011];Quick reference guideline. 2008

Canadian Steering Committee on Numbering: Task Identification Forms


Active TIFS

Inactive TIFS

Tabled TIFS

Active TIFs

TIF 99 - Update CSCN Guidelines for Vancouver LPZ

TIF 100 - Update unassignable NXXs in the Canadian Non-Geographic Code Assignment Guideline

Inactive TIFs

TIF 5 - Canadian Assignment Guidelines for Geographic NXX Codes (CNA)

TIF 30 - NANP Exhaust (CNA)

TIF 34 - CSCN adoption of the NANP Numbering Resource Utilization Forecast (NRUF) Process

TIF 35 - Guidelines Maintenance Standing Committee

TIF 36 - Use of numbers from 310, 610, and 810 CO Codes

TIF 37- Wireless Enhanced 911 ESRDs using CO Code 511

TIF 41- Treatment of Active and Inactive NXXs Assigned to a Code Holder that Discontinues Providing Service in a Exchange

TIF 42- Canadian Central Office Code Assignment Emergency Notification Process

TIF 43 - Canadian NPA Relief Planning Guidelines maintenance

TIF 44 - Canadian Central Office Code (NXX) Assignment Guidelines Appendix re: Reserved & Held TNs

TIF 45 - Loading of NXX Codes in ILEC/WSP/CLEC and IXC Switches

TIF 46 - International Mobile Station Identity (IMSI) and System Identifier (SID) Codes Guidelines

TIF 47 - Suspension and Reactivation of NPA Relief Planning Activities

TIF 48 - Multiple Operating Company Number (Multi-OCN) Oddball CO Codes

TIF 49 - Review of the CSCN Adjunct to the CISC Administrative Guidelines

TIF 50 - Carrier Identification Codes (CICs) for Switchless Resellers

TIF 51 - Open NPA 710 in Canada

TIF 52 - Changes to section 3.7 of the Canadian Central Office Code (NXX) Assignment Guidelines to clarify the meanings of current and projected future home and neighbouring NPAs

TIF 53 - ENUM (Telephone Number Mapping)

TIF 54 - Definition of a Canadian Telephone Number

TIF 55 - COCA GL Changes re: transfer, reclamation & return of CO Codes

TIF 56 - CDMA Use of MNC - Canadian International Mobile Station Identity (IMSI) Assignment Guidelines

TIF 57 - Requirement for CNAC - Service User Agreement

TIF 58 - Development of Canadian NPA 600 Code Assignment Guideline

TIF 59 - Review of INC 800-855 Number Assignment Guidelines

TIF 60 - Review of INC NPA Allocation Plan and Assignment Guidelines

TIF 61 - Review of INC 555 NXX Assignment Guidelines

TIF 62 - Review of Canadian Adjunct to INC Personal Communications Services N00 NXX Code Assignment Guidelines

TIF 63 - Review of INC Vertical Service Code Assignment Guidelines

TIF 64 - COCA GL Section 4.3 Shared CO Codes and Impacts on TN Portability

TIF 65 - Authorized Representatives of Numbering Resource Applicants

TIF 66 - Modify CSCN Adjunct to CISC Administrative Guidelines

TIF 67 - CNA Administration of MIN Block Identifiers (MBI) in Canada

TIF 68 - Canadian NPA Relief Planning Guidelines

TIF 69 - Creation of a Legal Corporation for the purpose of Conducting the Canadian ENUM Trial

TIF 70 - Update Canadian Central Office Code Assignment Guidelines, Appendix E, Location Routing Number (LRN) Selection Criteria in accordance with Telecom Decision CRTC 2006-28

CNTF070A.doc - 67 KB - CSCN TIF 70 - Update Canadian Central Office Code Assignment Guidelines Location Routing Number (LRN) Selection Criteria in accordance with Telecom Decision CRTC 2006-28

TIF 71 - Review of COCA GL Forms; Parts 1, 3 and 4

TIF 72 - Modifications to CSCN process for GTT point code notification to allow WNP

TIF 73 - Modifications to the Canadian MIN Block Identifier (MBI) Assignment Guideline

TIF 74 - Review of INC Issue 534 re: Development of pANI Guidelines

TIF 75 - CSCN Guidelines Review

TIF 76 - Additional modifications to the Canadian MIN Block Identifier (MBI) Assignment Guideline

TIF 77 - N11 Implementation Notification

TIF 78 - Sint Maarten Application to Join the NANP

TIF 79 - CSCN - CISC Administration Review

TIF 80 - Exhaust of Canadian Emergency Service Routing Digit (ESRD) Resources (8 January 2009)

TIF 81 - Reservation of Future Canadian Geographic NPA Codes for relief of existing Canadian NPAs forecast to exhaust in next 25 year timeframe (8 May 2009)

TIF 82 - INC Issue 664: Review NPA Allocation Guidelines to consider NPA Sharing (20 October 2009)

TIF 83 - Explanation for NRUF Variances

TIF 84 - Review of Canadian NPA 600 NXX Code Assignment Guideline

TIF 85 - Address look up systems necessary for IP voice network interconnection dated March 5, 2012

TIF 86 - Non-Geographic 5XX-NXX Code Resources

TIF 87 - Management of numbering resources in low density population areas (TELUS Contribution for CSCN)

TIF 88 - (Transitioning from geographic NANP resources to other resources for non traditional purposes) with minutes from the CSCN 100 face-to-face meeting re: TIF 88

TIF 89 - Test Central Office (CO) Codes versus Plant Test Codes dated February 20, 2013.

TIF 90 - Changing the Status of Certain Unassignable CO Codes dated October 8, 2013.

TIF 91 - Elimination of the Split and Boundary Realignment Relief Methods from consideration during Relief Planning in Canada

TIF 92 - N11 Notification Process (28 March 2014).

TIF 93 - Update the Canadian Emergency Service Routing Digit (ESRD) Block Assignment Guideline

TIF 94 - Update Canadian International Mobile Subscription Identity (IMSI) Assignment Guideline to allow for the assignment of MNCs to full MVNOs

TIF 95 - Create a Canadian Carrier Identification Code (CIC) Assignment Guideline to replace the current Canadian Adjunct to the INC Carrier Identification Code (CIC) Assignment Guidelines

TIF 97 - Consider future action on 555 line resources

TIF 98 - Future Canadian Geographic NPA Codes to be used for relief of existing Canadian NPAs forecast to exhaust in next ten years

Tabled TIFs

TIF 27 - SS7 Point Code Industry Notification (See SS7 Point Code Information) 28 June 2013.

TIF 13 - CSCN Review of Number Assignment Guidelines for CNA (CNA)

CNRE011A.doc - 23KB - is a TIF that has been recommended for deletion.

CSCN8818.DOC - 11,264 bytes - Issue 26. Letter to PN96-28 Interested Parties. Invitation to Participate in this SWG.

ISSUE26.DOC - 12,288 bytes - Identification Form - Number Pooling, Code Sharing and Co Code Shortages.

MANDATE.DOC - 11,264 bytes - Issue 26. Mandate and Scope

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