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

ATLANTA SO prefixes in area code 678

NANPA records 62 assigned NXX blocks to rate center ATLANTA SO in area code 678, 7.9% 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. 14 holders hold those blocks, the largest being PAETEC ITEL, LLC (14), LEVEL 3 COMMUNICATIONS, LLC - GA (10), BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (10). The earliest assignment on record here is 2001-01-02 and the most recent 2023-12-05. 53 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 470, 770, 943 – overlay codes cover the same geography, so a rate center is served by all of them.

62 assigned blocks – 7.9% of 678
14 holders of record
53 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
678-201 T-Mobile METROPCS, INC. – yes yes
678-216 Windstream PAETEC ITEL, LLC – yes yes
678-228 Lumen LEVEL 3 COMMUNICATIONS, LLC - GA – yes yes
678-233 Lumen LEVEL 3 COMMUNICATIONS, LLC - GA – yes yes
678-251 Windstream PAETEC ITEL, LLC – yes yes
678-263 Lumen LEVEL 3 COMMUNICATIONS, LLC - GA – yes yes
678-271 Lumen LEVEL 3 COMMUNICATIONS, LLC - GA – yes yes
678-272 Lumen LEVEL 3 COMMUNICATIONS, LLC - GA – yes yes
678-284 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – yes yes
678-289 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
678-304 Windstream PAETEC ITEL, LLC – yes yes
678-364 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – yes yes
678-369 Lumen LEVEL 3 COMMUNICATIONS, LLC - GA – yes yes
678-379 Lumen LEVEL 3 COMMUNICATIONS, LLC - GA – yes yes
678-422 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
678-432 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
678-435 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA – yes yes
678-466 Windstream PAETEC ITEL, LLC – yes yes
678-470 Onvoy ONVOY, LLC - GA 2023-05-22 yes yes
678-479 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
678-489 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - GA – yes yes
678-490 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 2006-05-05 yes yes
678-519 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - GA – yes yes
678-545 Comcast COMCAST IP PHONE, LLC – yes yes
678-554 Windstream PAETEC ITEL, LLC – yes yes
678-561 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - GA – yes yes
678-565 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
678-583 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – yes yes
678-586 Lumen LEVEL 3 TELECOM OF GEORGIA, LP - GA 2001-08-29 yes yes
678-593 Windstream PAETEC ITEL, LLC – yes yes
678-604 Windstream PAETEC ITEL, LLC – yes yes
678-610 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
678-619 Lumen LEVEL 3 COMMUNICATIONS, LLC - GA 2004-09-28 yes yes
678-632 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - GA – yes yes
678-674 Windstream PAETEC ITEL, LLC – yes yes
678-698 T-Mobile METROPCS, INC. 2001-10-24 no yes
678-706 Charter ONVOY SPECTRUM, LLC 2023-12-05 yes yes
678-709 Windstream PAETEC ITEL, LLC – yes yes
678-724 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - GA – yes yes
678-734 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA – yes yes
678-759 Charter CHARTER IP ENABLED SERVICES, LLC – yes yes
678-763 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA 2002-10-09 no yes
678-764 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA 2002-10-09 no yes
678-782 Windstream PAETEC ITEL, LLC – yes yes
678-783 Windstream PAETEC ITEL, LLC – yes yes
678-788 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA – yes yes
678-814 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA – yes yes
678-815 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA – yes yes
678-817 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – yes yes
678-818 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA – yes yes
678-826 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA – yes yes
678-827 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA – yes yes
678-829 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA – yes yes
678-833 Lumen LEVEL 3 COMMUNICATIONS, LLC - GA 2001-01-02 yes yes
678-834 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA – yes yes
678-846 Windstream PAETEC ITEL, LLC 2006-01-19 yes yes
678-870 WOW! INTERNET, CABLE AND PHONE 2001-04-30 yes yes
678-884 Lumen LEVEL 3 COMMUNICATIONS, LLC - GA 2001-02-27 yes yes
678-902 Windstream PAETEC ITEL, LLC – yes yes
678-912 Charter ONVOY SPECTRUM, LLC 2023-07-06 yes yes
678-961 Windstream PAETEC ITEL, LLC 2002-03-01 yes yes
678-962 BROADRIVER COMMUNICATION CORPORATION - GA 2001-01-29 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
PAETEC ITEL, LLC Windstream 14 22.6%
LEVEL 3 COMMUNICATIONS, LLC - GA Lumen 10 16.1%
BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL AT&T 10 16.1%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA Verizon 10 16.1%
TELEPORT COMMUNICATIONS AMERICA, LLC - GA AT&T 5 8.1%
NEW CINGULAR WIRELESS PCS, LLC - GA AT&T 3 4.8%
METROPCS, INC. T-Mobile 2 3.2%
ONVOY SPECTRUM, LLC Charter 2 3.2%
ONVOY, LLC - GA Onvoy 1 1.6%
COMCAST IP PHONE, LLC Comcast 1 1.6%
LEVEL 3 TELECOM OF GEORGIA, LP - GA Lumen 1 1.6%
CHARTER IP ENABLED SERVICES, LLC Charter 1 1.6%
WOW! INTERNET, CABLE AND PHONE – 1 1.6%
BROADRIVER COMMUNICATION CORPORATION - GA – 1 1.6%

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 ATLANTA SO in area code 678?

62 blocks: 201, 216, 228, 233, 251, 263, 271, 272, 284, 289, 304, 364 and 50 more, all listed in the table above.

Which carriers have numbers in ATLANTA SO?

PAETEC ITEL, LLC (14 blocks), LEVEL 3 COMMUNICATIONS, LLC - GA (10 blocks), BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (10 blocks), MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA (10 blocks), TELEPORT COMMUNICATIONS AMERICA, LLC - GA (5 blocks), NEW CINGULAR WIRELESS PCS, LLC - GA (3 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is ATLANTA SO 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 678

All 785 prefixes in 678