Goto Section: 52.23 | 52.26 | Table of Contents
Revised as of September 1, 2021
Goto Year:2020 |
§ 52.25 Database architecture and administration.
(a) The North American Numbering Council (NANC) shall direct
establishment of a nationwide system of regional SMS databases for the
provision of long-term database methods for number portability.
(b) All telecommunications carriers shall have equal and open access to
the regional databases.
(c) The NANC shall select a local number portability administrator(s)
(LNPA(s)) to administer the regional databases within seven months of
the initial meeting of the NANC.
(d) The NANC shall determine whether one or multiple administrator(s)
should be selected, whether the LNPA(s) can be the same entity selected
to be the North American Numbering Plan Administrator, how the LNPA(s)
should be selected, the specific duties of the LNPA(s), the geographic
coverage of the regional databases, the technical interoperability and
operational standards, the user interface between telecommunications
carriers and the LNPA(s), the network interface between the SMS and the
downstream databases, and the technical specifications for the regional
(e) Once the NANC has selected the LNPA(s) and determined the locations
of the regional databases, it must report its decisions to the
(f) The information contained in the regional databases shall be
limited to the information necessary to route telephone calls to the
appropriate telecommunications carriers. The NANC shall determine what
specific information is necessary.
(g) Any state may opt out of its designated regional database and
implement a state-specific database. A state must notify the Wireline
Competition Bureau and NANC that it plans to implement a state-specific
database within 60 days from the release date of the Public Notice
issued by the Chief, Wireline Competition Bureau, identifying the
administrator selected by the NANC and the proposed locations of the
regional databases. Carriers may challenge a state's decision to opt
out of the regional database system by filing a petition with the
(h) Individual state databases must meet the national requirements and
operational standards recommended by the NANC and adopted by the
Commission. In addition, such state databases must be technically
compatible with the regional system of databases and must not interfere
with the scheduled implementation of the regional databases.
(i) Individual carriers may download information necessary to provide
number portability from the regional databases into their own
downstream databases. Individual carriers may mix information needed to
provide other services or functions with the information downloaded
from the regional databases at their own downstream databases. Carriers
may not withhold any information necessary to provide number
portability from the regional databases on the grounds that such data
has been combined with other information in its downstream database.
[ 61 FR 38637 , July 25, 1996. Redesignated at 61 FR 47353 , Sept. 6,
1996, as amended at 67 FR 13226 , Mar. 21, 2002]
Goto Section: 52.23 | 52.26
Goto Year: 2020 |
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