Search Results interconnect_area_id

Overview

The XNP_INTERCONNECT_AREAS table is a core data repository within the Oracle E-Business Suite (EBS) Number Portability (XNP) module. This module manages the complex processes involved in porting telephone numbers between service providers. The table's primary function is to define the geographic service area associated with a specific routing number. In telecommunications, a routing number is a key identifier used to direct calls to the correct carrier network. By linking routing numbers to defined geographic areas, this table provides the essential spatial logic that ensures calls are correctly routed based on the originating or terminating number's location, a critical component for both standard call routing and number portability operations.

Key Information Stored

The table stores the relationship between a routing number and a geographic area. Its structure is defined by a primary key and a unique key constraint to ensure data integrity. The critical columns are:

• INTERCONNECT_AREA_ID: The primary key column, serving as a unique system-generated identifier for each record in this table.
• ROUTING_NUMBER_ID: A foreign key that references the XNP_ROUTING_NUMBERS table. This column identifies the specific routing number to which a geographic area is assigned.
• GEO_AREA_ID: A foreign key that references the XNP_GEO_AREAS_B table. This column identifies the specific geographic area (e.g., a city, region, or numbering plan area) that the routing number serves.

The unique key constraint (XNP_INTERCONNECT_AREAS_UK1) on the combination of ROUTING_NUMBER_ID and GEO_AREA_ID prevents the same area from being assigned multiple times to the same routing number.

Common Use Cases and Queries

This table is central to queries that determine valid routing for a telephone number based on its geographic assignment. A common operational use case is validating whether a number porting request is feasible between carriers within a specific region. For reporting and analysis, administrators may query the table to audit the geographic coverage of their routing number inventory. Sample SQL patterns include finding all areas for a routing number, or identifying which routing number serves a specific geographic area for troubleshooting call routing issues.

-- Find all geographic areas covered by a specific routing number
SELECT ga.GEO_AREA_CODE, ga.NAME
FROM XNP_INTERCONNECT_AREAS ia,
     XNP_GEO_AREAS_B ga
WHERE ia.GEO_AREA_ID = ga.GEO_AREA_ID
AND ia.ROUTING_NUMBER_ID = <routing_number_id>;

-- Find the routing number responsible for a specific geographic area
SELECT rn.ROUTING_NUMBER
FROM XNP_INTERCONNECT_AREAS ia,
     XNP_ROUTING_NUMBERS rn
WHERE ia.ROUTING_NUMBER_ID = rn.ROUTING_NUMBER_ID
AND ia.GEO_AREA_ID = <geo_area_id>;

Related Objects

The XNP_INTERCONNECT_AREAS table is a junction table with defined foreign key relationships to two primary master tables in the XNP schema:

• XNP_ROUTING_NUMBERS: This table stores the master list of routing numbers (carrier identifiers). The ROUTING_NUMBER_ID column in XNP_INTERCONNECT_AREAS references this table.
• XNP_GEO_AREAS_B: This table is the master repository for all defined geographic areas within the number portability system. The GEO_AREA_ID column in XNP_INTERCONNECT_AREAS references this table.

These relationships ensure referential integrity, meaning a record in XNP_INTERCONNECT_AREAS cannot exist without a valid corresponding routing number and geographic area. This table is therefore a critical link in the data model that connects carrier infrastructure (routing numbers) to service territories (geo areas).