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

WORCESTER prefixes in area code 508

NANPA records 75 assigned NXX blocks to rate center WORCESTER in area code 508, 10.0% of the 749 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. 12 holders hold those blocks, the largest being VERIZON NEW ENGLAND INC. (36), NEW CINGULAR WIRELESS PCS, LLC - DC (9), PAETEC ITEL, LLC (7). The earliest assignment on record here is 2001-02-14 and the most recent 2025-03-04. 30 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 607, 774 – overlay codes cover the same geography, so a rate center is served by all of them.

75 assigned blocks – 10% of 508
12 holders of record
30 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
508-304 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC – yes yes
508-334 Verizon VERIZON NEW ENGLAND INC. – no yes
508-335 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC – no yes
508-340 Lumen LEVEL 3 COMMUNICATIONS, LLC - MA 2002-02-27 yes yes
508-352 NORFOLK COUNTY INTERNET, INC. – no yes
508-353 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC – no yes
508-363 Verizon VERIZON NEW ENGLAND INC. – no yes
508-365 Lumen LEVEL 3 COMMUNICATIONS, LLC - MA – yes yes
508-368 Verizon VERIZON NEW ENGLAND INC. – no yes
508-373 Windstream PAETEC ITEL, LLC – yes yes
508-410 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC – no yes
508-414 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC – no yes
508-421 Verizon VERIZON NEW ENGLAND INC. – no yes
508-425 RCN TELECOM SERVICES, INC. - MA – yes yes
508-438 Windstream PAETEC ITEL, LLC – no yes
508-450 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA – no yes
508-453 Windstream PAETEC ITEL, LLC – no yes
508-459 Windstream PAETEC ITEL, LLC – yes yes
508-471 Windstream PAETEC ITEL, LLC – yes yes
508-502 Verizon VERIZON NEW ENGLAND INC. 2003-02-05 yes yes
508-508 MASS MOBILE LLC 2025-03-04 yes yes
508-519 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
508-551 Verizon VERIZON NEW ENGLAND INC. 2002-03-12 no yes
508-552 Windstream PAETEC ITEL, LLC – yes yes
508-556 Lumen LEVEL 3 COMMUNICATIONS, LLC - MA – yes yes
508-569 Verizon VERIZON NEW ENGLAND INC. – no yes
508-579 T-Mobile METROPCS, INC. – yes yes
508-595 Verizon VERIZON NEW ENGLAND INC. – yes yes
508-612 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA – no yes
508-615 T-Mobile OMNIPOINT MIAMI E LICENSE, LLC – no yes
508-635 Lumen LEVEL 3 COMMUNICATIONS, LLC - MA – yes yes
508-667 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC – no yes
508-688 AT&T TC SYSTEMS, INC. – yes yes
508-713 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
508-723 Verizon VERIZON NEW ENGLAND INC. – yes yes
508-735 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA – no yes
508-736 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC 2001-02-21 no yes
508-749 Windstream PAETEC ITEL, LLC – no yes
508-751 Verizon VERIZON NEW ENGLAND INC. – yes yes
508-752 Verizon VERIZON NEW ENGLAND INC. – no yes
508-753 Verizon VERIZON NEW ENGLAND INC. – no yes
508-754 Verizon VERIZON NEW ENGLAND INC. – no yes
508-755 Verizon VERIZON NEW ENGLAND INC. – no yes
508-756 Verizon VERIZON NEW ENGLAND INC. – no yes
508-757 Verizon VERIZON NEW ENGLAND INC. – no yes
508-762 AT&T TC SYSTEMS, INC. – yes yes
508-767 Verizon VERIZON NEW ENGLAND INC. – yes yes
508-769 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA – no yes
508-770 Verizon VERIZON NEW ENGLAND INC. – yes yes
508-791 Verizon VERIZON NEW ENGLAND INC. – no yes
508-792 Verizon VERIZON NEW ENGLAND INC. – yes yes
508-793 Verizon VERIZON NEW ENGLAND INC. – no yes
508-795 Verizon VERIZON NEW ENGLAND INC. – no yes
508-796 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
508-797 Verizon VERIZON NEW ENGLAND INC. – yes yes
508-798 Verizon VERIZON NEW ENGLAND INC. – no yes
508-799 Verizon VERIZON NEW ENGLAND INC. – no yes
508-826 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC – no yes
508-831 Verizon VERIZON NEW ENGLAND INC. – yes yes
508-847 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC – no yes
508-849 Verizon VERIZON NEW ENGLAND INC. – yes yes
508-852 Verizon VERIZON NEW ENGLAND INC. – no yes
508-853 Verizon VERIZON NEW ENGLAND INC. – no yes
508-854 Verizon VERIZON NEW ENGLAND INC. – no yes
508-855 Verizon VERIZON NEW ENGLAND INC. – no yes
508-856 Verizon VERIZON NEW ENGLAND INC. – no yes
508-860 Verizon VERIZON NEW ENGLAND INC. – yes yes
508-868 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA – no yes
508-873 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC – no yes
508-890 Verizon VERIZON NEW ENGLAND INC. – no yes
508-926 AT&T TC SYSTEMS, INC. – yes yes
508-929 Verizon VERIZON NEW ENGLAND INC. – no yes
508-956 Verizon VERIZON NEW ENGLAND INC. – no yes
508-963 T-Mobile METROPCS, INC. 2001-02-14 yes yes
508-981 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC – no 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
VERIZON NEW ENGLAND INC. Verizon 36 48%
NEW CINGULAR WIRELESS PCS, LLC - DC AT&T 9 12%
PAETEC ITEL, LLC Windstream 7 9.3%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA Verizon 5 6.7%
LEVEL 3 COMMUNICATIONS, LLC - MA Lumen 4 5.3%
OMNIPOINT MIAMI E LICENSE, LLC T-Mobile 3 4%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC Verizon 3 4%
TC SYSTEMS, INC. AT&T 3 4%
METROPCS, INC. T-Mobile 2 2.7%
NORFOLK COUNTY INTERNET, INC. – 1 1.3%
RCN TELECOM SERVICES, INC. - MA – 1 1.3%
MASS MOBILE LLC – 1 1.3%

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 WORCESTER in area code 508?

75 blocks: 304, 334, 335, 340, 352, 353, 363, 365, 368, 373, 410, 414 and 63 more, all listed in the table above.

Which carriers have numbers in WORCESTER?

VERIZON NEW ENGLAND INC. (36 blocks), NEW CINGULAR WIRELESS PCS, LLC - DC (9 blocks), PAETEC ITEL, LLC (7 blocks), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA (5 blocks), LEVEL 3 COMMUNICATIONS, LLC - MA (4 blocks), OMNIPOINT MIAMI E LICENSE, LLC (3 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is WORCESTER 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 508

All 749 prefixes in 508