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

CLAREMORE prefixes in area code 918

NANPA records 8 assigned NXX blocks to rate center CLAREMORE in area code 918, 1.0% of the 782 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 SOUTHWESTERN BELL (5), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK (2), COMCAST IP PHONE, LLC (1). The earliest assignment on record here is 2012-05-10 and the most recent 2012-05-10. 6 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 539 – overlay codes cover the same geography, so a rate center is served by all of them.

8 assigned blocks – 1% of 918
3 holders of record
6 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
918-283 AT&T SOUTHWESTERN BELL – yes yes
918-341 AT&T SOUTHWESTERN BELL – no yes
918-342 AT&T SOUTHWESTERN BELL – no yes
918-343 AT&T SOUTHWESTERN BELL – yes yes
918-443 AT&T SOUTHWESTERN BELL – yes yes
918-679 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 2012-05-10 yes yes
918-923 Comcast COMCAST IP PHONE, LLC – yes yes
918-965 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 2012-05-10 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
SOUTHWESTERN BELL AT&T 5 62.5%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK Verizon 2 25%
COMCAST IP PHONE, LLC Comcast 1 12.5%

Frequently asked

Which prefixes belong to CLAREMORE in area code 918?

8 blocks: 283, 341, 342, 343, 443, 679, 923, 965. The table above gives the holder of each.

Which carriers have numbers in CLAREMORE?

SOUTHWESTERN BELL (5 blocks), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK (2 blocks), COMCAST IP PHONE, LLC (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is CLAREMORE 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 918

All 782 prefixes in 918