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

HENRYETTA prefixes in area code 918

NANPA records 4 assigned NXX blocks to rate center HENRYETTA in area code 918, 0.5% 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 (2), UNITED STATES CELLULAR - OK (1), NEW CINGULAR WIRELESS PCS, LLC - IL (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 539 – overlay codes cover the same geography, so a rate center is served by all of them.

4 assigned blocks – 0.5% of 918
3 holders of record
4 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
918-268 UNITED STATES CELLULAR - OK – yes yes
918-319 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
918-650 AT&T SOUTHWESTERN BELL – yes yes
918-652 AT&T SOUTHWESTERN BELL – 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 2 50%
UNITED STATES CELLULAR - OK – 1 25%
NEW CINGULAR WIRELESS PCS, LLC - IL AT&T 1 25%

Frequently asked

Which prefixes belong to HENRYETTA in area code 918?

4 blocks: 268, 319, 650, 652. The table above gives the holder of each.

Which carriers have numbers in HENRYETTA?

SOUTHWESTERN BELL (2 blocks), UNITED STATES CELLULAR - OK (1 block), NEW CINGULAR WIRELESS PCS, LLC - IL (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is HENRYETTA 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