NumberingData
Verified Nov 1, 2026 · Source: NANPA CO Code Assignment Records

W HARRISON prefixes in area code 812

NANPA records 4 assigned NXX blocks to rate center W HARRISON in area code 812, 0.5% of the 785 blocks assigned in the code. A rate center is the billing geography a block is allocated to – NANPA truncates the name to ten characters, so read it as a NANPA label rather than a town. 3 holders hold those blocks, the largest being CINCINNATI BELL (2), MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN (1), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN (1). 4 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots. The same rate center name also appears in area code 930 – overlay codes cover the same geography, so a rate center is served by all of them.

4 assigned blocks – 0.5% of 812
3 holders of record
4 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
812-220 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN – yes yes
812-637 Altafiber CINCINNATI BELL – yes yes
812-656 Altafiber CINCINNATI BELL – yes yes
812-747 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN – yes yes

The holder is who received the block from the numbering administrator. It is not necessarily the carrier serving a given number: numbers move with their owners, and a pooled block is shared.

Who holds the blocks

HolderBrandBlocksShare here
CINCINNATI BELL Altafiber 2 50%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN Verizon 1 25%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN Verizon 1 25%

Frequently asked

Which prefixes belong to W HARRISON in area code 812?

4 blocks: 220, 637, 656, 747. The table above gives the holder of each.

Which carriers have numbers in W HARRISON?

CINCINNATI BELL (2 blocks), MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN (1 block), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is W HARRISON a city?

It is a rate center – the unit NANPA allocates number blocks to. Its name is abbreviated to ten characters and is not necessarily a settlement: we print it as recorded rather than guess at the full name.

Other rate centers in 812

All 785 prefixes in 812