The NTC issued a total of 11 Memorandum Circulars in 2001:

1. Memorandum Circular 01-01-2001: Reiteration of MC 11-12-85 Regarding Program Standards
2. Memorandum Circular 02-01-2001: Revised Customer Premises Equipment Interface Standards and Procedures for Type-Approval and Type-Acceptance
3. Memorandum Circular 03-03-2001: Amending Section 3 of MC No. 4-6-98 Regarding Implementation Period of the Adoption of 4-digit Exchange Codes for Greater Metro Manila Area
4. Memorandum Circular 04-07-2001: Additional Freuqency Allocation for CMTS
5. Memorandum Circular 05-09-2001: Guidelines for the Issuance of COC-E to Holder of REC in Accordance with Regulation I/2 par. 4 of STCW Convention
6. Memorandum Circular 06-09-2001: Implementing Guidelines for Retail Pricing
7. Memorandum Circular 07-09-2001: Radio Station Permits and Licenses for the CMTS
8. Memorandum Circular 08-09-2001: Reconstitution of the Amateur Radio Consultative Panel (ARCP)
9. Memorandum Circular 09-10-2001: Amending MC 3-3-2001 Section 3 of MC 4-6-98
10. Memorandum Circular 10-11-2001: Extension of FM Broadcast Band
11. Memorandum Circular 11-12-2001: Amendments to Section 4 (Covering the SUF Rates for the CMTS & Spread Spectrum Radio Stations) & Section 5 of MC 10-10-97