| Field |
Definition |
| State
Abbreviation |
Standard
two character abbreviation |
| NPA-NXX |
Area
Code and Prefix |
| OCN |
Operating
Company Number |
| Company Name |
Full
Company Name; Company Names are enclosed with quotes if
they contain special characters. |
| Rate Center |
10
character abbreviation for the Rate Center in which the
code is assigned. |
| Switch |
11
character COMMON LANGUAGEŽ identifier of the switch. |
| Future Effective
Date (EffectiveDate) |
The
future date when a new code will be in service (for new
codes only). Once the effective date is reached, this date
will no longer appear. |
| Use |
VC
These codes are not included in the "utilized"
text files |
VC
indicates codes that are vacant; they are available for
assignment to a service provider. |
| AS |
AS indicates
codes that are assigned to a service provider. If a code
with AS has no information, except for an effective date,
it has been assigned to a service provider, but the
information has not yet appeared in the LERG, and is still
considered proprietary. |
| PR |
PR indicates
codes that are protected for a split; that is, these codes
are assigned in the old or the new NPA and can not be
assigned in the other NPA until after the end of
permissive dialing. |
| RV |
RV indicates
codes that have been reserved by a service provider. The
identity of the service provider is considered proprietary
information and will not be shown. |
| UA |
UA indicates
codes that are unavailable for assignment. These codes
include, but are not limited to, test and special use
codes (e.g., 958, 959, 555, time), N11 and other unique
codes (e.g., 976, 950), codes set aside for pooling, and
codes with special dialing arrangements (e.g., 7-digit
dialing cross NPA boundary). |