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

KEYS prefixes in area code 305

NANPA records 138 assigned NXX blocks to rate center KEYS in area code 305, 17.6% 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. 21 holders hold those blocks, the largest being METROPCS, INC. (20), BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (19), OMNIPOINT MIAMI E LICENSE, LLC (15). The earliest assignment on record here is 2001-04-27 and the most recent 2024-05-21. 120 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 codes 645, 786 – overlay codes cover the same geography, so a rate center is served by all of them.

138 assigned blocks – 17.6% of 305
21 holders of record
120 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
305-203 Bandwidth BANDWIDTH.COM CLEC, LLC - FL 2012-08-13 yes yes
305-204 Comcast COMCAST IP PHONE, LLC 2014-09-04 yes yes
305-209 Peerless PEERLESS NETWORK OF FLORIDA, LLC - FL 2012-05-31 yes yes
305-236 ABC PAGING CITY BEEPERS, INC. – no yes
305-239 SMARTEDGENET, LLC 2013-07-31 yes yes
305-240 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL – yes yes
305-280 Windstream PAETEC ITEL, LLC – yes yes
305-289 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – yes yes
305-290 T-Mobile METROPCS, INC. 2011-05-10 yes yes
305-292 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
305-293 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
305-294 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
305-295 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
305-296 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
305-304 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA – no yes
305-306 Bandwidth BANDWIDTH.COM CLEC, LLC - FL 2014-04-08 yes yes
305-307 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL – yes yes
305-315 Onvoy ONVOY, LLC - FL 2023-06-26 yes yes
305-317 Bandwidth BANDWIDTH.COM CLEC, LLC - FL 2020-12-11 yes yes
305-320 PROTECTION PLUS THE FL KEYS DBA ENGAGE COMM - FL 2007-03-21 yes yes
305-330 Peerless PEERLESS NETWORK OF FLORIDA, LLC - FL 2011-09-14 yes yes
305-334 Charter ONVOY SPECTRUM, LLC 2021-05-14 yes yes
305-337 T-Mobile METROPCS, INC. 2021-06-09 yes yes
305-339 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC 2021-07-14 yes yes
305-340 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 2011-05-13 yes yes
305-359 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL – yes yes
305-360 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC 2001-11-27 yes yes
305-363 Lumen LEVEL 3 COMMUNICATIONS, LLC - FL 2015-03-18 yes yes
305-367 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – yes yes
305-390 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL – yes yes
305-391 Onvoy ONVOY, LLC - FL 2021-09-16 yes yes
305-393 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA – yes yes
305-394 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA – yes yes
305-395 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA – yes yes
305-396 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL – yes yes
305-399 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC 2014-12-09 yes yes
305-407 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA – yes yes
305-413 Onvoy ONVOY, LLC - FL 2020-12-10 yes yes
305-414 Bandwidth BANDWIDTH.COM CLEC, LLC - FL 2011-04-20 yes yes
305-417 T-Mobile METROPCS, INC. 2011-09-16 yes yes
305-419 Onvoy ONVOY, LLC - FL 2022-10-10 yes yes
305-422 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL 2003-09-05 yes yes
305-425 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL 2003-09-05 yes yes
305-432 Lumen LEVEL 3 COMMUNICATIONS, LLC - FL – yes yes
305-433 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - FL – yes yes
305-434 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - FL – yes yes
305-440 Comcast COMCAST IP PHONE, LLC 2012-12-19 yes yes
305-449 Charter ONVOY SPECTRUM, LLC 2021-10-08 yes yes
305-451 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
305-453 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – yes yes
305-465 FRACTEL, LLC 2020-09-29 yes yes
305-481 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC – yes yes
305-489 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL 2003-09-05 yes yes
305-497 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC 2015-11-11 yes yes
305-501 Lumen LEVEL 3 COMMUNICATIONS, LLC - FL 2011-09-20 yes yes
305-504 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC 2012-11-21 yes yes
305-509 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA – yes yes
305-515 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – yes yes
305-517 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – yes yes
305-522 T-Mobile METROPCS, INC. – yes yes
305-563 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 2014-06-10 yes yes
305-570 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA 2013-07-25 yes yes
305-581 Windstream PAETEC ITEL, LLC – no yes
305-587 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA – yes yes
305-600 Lumen LEVEL 3 COMMUNICATIONS, LLC - FL 2001-04-27 yes yes
305-602 Peerless PEERLESS NETWORK OF FLORIDA, LLC - FL 2013-01-08 yes yes
305-615 Bandwidth BANDWIDTH.COM CLEC, LLC - FL 2013-01-10 yes yes
305-619 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL – yes yes
305-647 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL – yes yes
305-664 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
305-676 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - FL – yes yes
305-680 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA – yes yes
305-683 Windstream PAETEC ITEL, LLC – no yes
305-684 T-Mobile METROPCS, INC. – yes yes
305-697 Bandwidth BANDWIDTH.COM CLEC, LLC - FL 2015-03-26 yes yes
305-699 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA – yes yes
305-707 Bandwidth BANDWIDTH.COM CLEC, LLC - FL 2010-09-22 yes yes
305-709 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA 2011-09-23 yes yes
305-712 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA – yes yes
305-713 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC – yes yes
305-723 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL 2003-09-05 yes yes
305-731 T-Mobile METROPCS, INC. – yes yes
305-735 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL – yes yes
305-741 AT&T AT&T ENTERPRISES, LLC 2009-08-27 yes yes
305-743 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
305-744 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – yes yes
305-745 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – yes yes
305-747 T-Mobile METROPCS, INC. 2001-06-22 yes yes
305-748 Lumen LEVEL 3 COMMUNICATIONS, LLC - FL – yes yes
305-766 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC – no yes
305-767 Lumen LEVEL 3 COMMUNICATIONS, LLC - FL 2001-12-28 yes yes
305-768 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL 2003-09-05 yes yes
305-771 Bandwidth BANDWIDTH.COM CLEC, LLC - FL 2010-09-30 yes yes
305-780 T-Mobile METROPCS, INC. 2015-03-10 yes yes
305-783 T-Mobile METROPCS, INC. 2015-11-18 yes yes
305-791 Bandwidth BANDWIDTH.COM CLEC, LLC - FL 2010-07-19 yes yes
305-797 T-Mobile METROPCS, INC. – yes yes
305-800 Windstream PAETEC ITEL, LLC 2010-02-23 yes yes
305-802 ABC PAGING CITY BEEPERS, INC. – no yes
305-809 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – yes yes
305-814 Bandwidth BANDWIDTH.COM CLEC, LLC - FL 2010-07-19 yes yes
305-831 Onvoy ONVOY, LLC - FL – yes yes
305-832 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL 2003-09-05 yes yes
305-833 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC 2015-08-12 yes yes
305-834 T-Mobile METROPCS, INC. 2010-01-28 yes yes
305-842 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC – yes yes
305-845 Onvoy ONVOY, LLC - FL – no yes
305-848 Onvoy ONVOY, LLC - FL 2006-02-13 yes yes
305-849 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL – no yes
305-850 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA 2018-03-28 yes yes
305-851 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL – yes yes
305-852 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
305-853 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – yes yes
305-862 LIVEWIRE TELECOM, LLC 2024-05-21 yes yes
305-872 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
305-879 T-Mobile METROPCS, INC. – yes yes
305-890 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC 2005-12-29 yes yes
305-896 T-Mobile METROPCS, INC. – yes yes
305-897 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC – yes yes
305-900 T-Mobile METROPCS, INC. 2011-02-01 yes yes
305-901 Bandwidth BANDWIDTH.COM CLEC, LLC - FL 2013-03-18 yes yes
305-902 T-Mobile METROPCS, INC. 2014-12-11 yes yes
305-906 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA 2010-07-28 yes yes
305-912 Bandwidth BANDWIDTH.COM CLEC, LLC - FL 2015-02-13 yes yes
305-916 AT&T AT&T ENTERPRISES, LLC 2014-04-16 yes yes
305-922 T-Mobile METROPCS, INC. 2013-07-08 yes yes
305-923 T-Mobile METROPCS, INC. – yes yes
305-924 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC – yes yes
305-927 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC 2014-12-22 yes yes
305-928 T-Mobile METROPCS, INC. 2014-08-27 yes yes
305-930 T-Mobile METROPCS, INC. 2016-01-14 yes yes
305-942 T-Mobile METROPCS, INC. – yes yes
305-946 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL 2003-09-05 yes yes
305-980 Charter ONVOY SPECTRUM, LLC 2022-05-09 yes yes
305-985 Bandwidth BANDWIDTH.COM CLEC, LLC - FL 2014-08-07 yes yes
305-988 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC 2014-08-29 yes yes
305-990 BARR TELL USA, LLC 2021-07-30 yes yes
305-998 Bandwidth BANDWIDTH.COM CLEC, LLC - FL 2014-01-17 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
METROPCS, INC. T-Mobile 20 14.5%
BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL AT&T 19 13.8%
OMNIPOINT MIAMI E LICENSE, LLC T-Mobile 15 10.9%
BANDWIDTH.COM CLEC, LLC - FL Bandwidth 14 10.1%
NEW CINGULAR WIRELESS PCS, LLC - GA AT&T 14 10.1%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL Verizon 14 10.1%
ONVOY, LLC - FL Onvoy 7 5.1%
LEVEL 3 COMMUNICATIONS, LLC - FL Lumen 6 4.3%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL Verizon 5 3.6%
PAETEC ITEL, LLC Windstream 4 2.9%
PEERLESS NETWORK OF FLORIDA, LLC - FL Peerless 3 2.2%
ONVOY SPECTRUM, LLC Charter 3 2.2%
TELEPORT COMMUNICATIONS AMERICA, LLC - FL AT&T 3 2.2%
COMCAST IP PHONE, LLC Comcast 2 1.4%
ABC PAGING CITY BEEPERS, INC. – 2 1.4%
AT&T ENTERPRISES, LLC AT&T 2 1.4%
SMARTEDGENET, LLC – 1 0.7%
PROTECTION PLUS THE FL KEYS DBA ENGAGE COMM - FL – 1 0.7%
FRACTEL, LLC – 1 0.7%
LIVEWIRE TELECOM, LLC – 1 0.7%
BARR TELL USA, LLC – 1 0.7%

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 KEYS in area code 305?

138 blocks: 203, 204, 209, 236, 239, 240, 280, 289, 290, 292, 293, 294 and 126 more, all listed in the table above.

Which carriers have numbers in KEYS?

METROPCS, INC. (20 blocks), BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (19 blocks), OMNIPOINT MIAMI E LICENSE, LLC (15 blocks), BANDWIDTH.COM CLEC, LLC - FL (14 blocks), NEW CINGULAR WIRELESS PCS, LLC - GA (14 blocks), MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL (14 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is KEYS 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 305

All 785 prefixes in 305