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

CHICKASHA prefixes in area code 405

NANPA records 11 assigned NXX blocks to rate center CHICKASHA in area code 405, 1.4% of the 783 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. 6 holders hold those blocks, the largest being SOUTHWESTERN BELL (4), NEW CINGULAR WIRELESS PCS, LLC - IL (3), T-MOBILE USA, INC. (1). The earliest assignment on record here is 2012-11-13 and the most recent 2015-05-07. 10 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 572 – overlay codes cover the same geography, so a rate center is served by all of them.

11 assigned blocks – 1.4% of 405
6 holders of record
10 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
405-222 AT&T SOUTHWESTERN BELL – yes yes
405-224 AT&T SOUTHWESTERN BELL – no yes
405-274 T-Mobile T-MOBILE USA, INC. – yes yes
405-320 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
405-448 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
405-544 WICHITA ONLINE, INC. - OK 2015-05-07 yes yes
405-574 AT&T SOUTHWESTERN BELL – yes yes
405-779 AT&T SOUTHWESTERN BELL – yes yes
405-825 CSC VOICE, LLC 2014-02-06 yes yes
405-892 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2012-11-13 yes yes
405-999 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK – 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 4 36.4%
NEW CINGULAR WIRELESS PCS, LLC - IL AT&T 3 27.3%
T-MOBILE USA, INC. T-Mobile 1 9.1%
WICHITA ONLINE, INC. - OK – 1 9.1%
CSC VOICE, LLC – 1 9.1%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK Verizon 1 9.1%

Same rate center in other codes

Overlay codes cover the same geography, so one rate center is served by all of them.

Frequently asked

Which prefixes belong to CHICKASHA in area code 405?

11 blocks: 222, 224, 274, 320, 448, 544, 574, 779, 825, 892, 999. The table above gives the holder of each.

Which carriers have numbers in CHICKASHA?

SOUTHWESTERN BELL (4 blocks), NEW CINGULAR WIRELESS PCS, LLC - IL (3 blocks), T-MOBILE USA, INC. (1 block), WICHITA ONLINE, INC. - OK (1 block), CSC VOICE, LLC (1 block), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is CHICKASHA 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 405

All 783 prefixes in 405