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Posted by Wes Leatherock on March 2, 2008, 10:10 am
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In a message dated 3/1/2008 6:29:21 AM Central
Standard Time, anthonybellanga@gonetoearth.com writes
in reply to postings by several people about number
portatbility:
>> The key issue is that of "rate center". In most
>> cases, the new number has to be "homed" in the same
>> rate center as the original one.
>snip
>> In reality it gets even more confusing. Many area
>> codes have multiple rate centers in them, even
>> though all calls in that area might be
>> considered "local". For example, NYC has, umm,
>> something like 15 of them, so a phone number that's
>> "homed" in South Brooklyn, for example, can NOT be
>> transferred to an upper Manhattan location.
>
> And just to clarify fo those who don't know, or
> might be under typical misconceptions...
>
> "Rate Center" is not the same as "Wire Center".
>
> A Rate Center is a "legal" item, something defined
> by tariff indicating a region where everything
> (usually) has the same BILLING or RATING criteria.
> It is NOT (necessarily) the same thing as a "switch
> coverage" area, i.e., the region covered by a
> central office *SWITCH* aka "Wire Center", these
> latter terms being more "technical" or "network",
> rather than "legal" or "regulatory" (billing and
> rating).
An interesting case is the rate center of Britton,
Oklahoma. The tariff location of this rate center is
the one-time location of a step CDO in the back of a
long-gone barber shop in what was once the
independent town of Britton. That municipality was
dissolved and incorporated into the limits of Oklahoma
City sometime around 1950.
The boundaries of the rate center included, and
still include, a considerable portion of Oklahoma City
as far south as NW 47th Street (the Britton CDO is at
about NW 92nd Street) and extend far to the north,
east and west, including not only the original town
of Britton, the upscale residential city of Nichols
Hills, another residential city by the name of The
Village (in which I live) and the southern part of
Edmond, Oklahoma, a continually growing suburb noted
for its hospitality of many PGA golfers, among other
things. It includes the 842 wire center building to
the south, the 478 wire center to the northeast toward
Edmond, and the 751 wire center to the north, which
includes a major shopping mall in Oklahoma City. All
three of those have multiple central office codes.
(The 478 office also hosts the offices and printing
plant of The Daily Oklahoman, the largest newspaper by
circulation in Oklahoma.) (The original Britton CDO
was TRinity-8, and I believe it passed out of
existence before the adoption of All Number Calling.)
If your bill shows a call to or from Britton,
Oklahoma, which no longer exists, it may be in any of
those places. Those wire centers (central offices)
are each several miles from one another.
Incidentally, a central office (wire center) can
serve customers in more than one rate center, if
that's what the engineering economics lead to.
Wes Leatherock
wleathus@yahoo.com
wesrock@aol.com
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