What is the area code for Mayo, MD?

Mayo uses 3 area codes: 443, 410 and 667. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.

What time zone is Mayo in?

Mayo is in the Eastern time zone.

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Mayo, MD Area Codes

Mayo, Maryland (population 8,322) uses area codes 443, 410 and 667.

Area code443

Area code410

Area code667

Time zoneEastern

Local time now…

Mayo has no telephone exchange of its own in NANPA records; it is served by the Annapolis exchange about 7.6 km away.

Mayo and nearby cities in area code 443

Carriers with Mayo numbers

92 prefixes are assigned to the Annapolis exchange: 46% mobile, 15% VoIP and cable, 39% landline.

Carrier	Prefixes
Verizon	19
Verizon Wireless	17
AT&T Mobility	16
T-Mobile	9
Paetec Itel	8
Core Communications	6
Verizon Business (MCImetro)	5
Lumen (Level 3)	4

Area codes used in Mayo

Area code	Prefixes serving Mayo	Main carriers in this code
443	39	Paetec Itel, Verizon Wireless, T-Mobile
410	36	Verizon, Verizon Wireless, AT&T Mobility
667	17	Onvoy (Sinch), AT&T Mobility, T-Mobile

Mayo phone number prefixes

Numbers starting with these first six digits were originally assigned to the Annapolis exchange.

443-214 AT&T Mobility
443-217 Core Communications
443-221 Lumen (Level 3)
443-223 Verizon Wireless
443-254 T-Mobile
443-321 Paetec Itel
443-333 AT&T Mobility
443-336 T-Mobile
443-370 AT&T Mobility
443-433 Verizon Business (MCImetro)
443-440 Verizon Business (MCImetro)
443-454 T-Mobile
443-458 Verizon Business (MCImetro)
443-476 Verizon
443-481 Paetec Itel
443-482 Verizon
443-510 Verizon Wireless
443-534 Verizon Wireless
443-569 Lumen (Level 3)
443-603 Paetec Itel
443-699 Verizon Wireless
443-714 AT&T Mobility
443-716 Paetec Itel
443-758 Verizon Wireless
443-775 Verizon Wireless
443-782 Verizon Business (MCImetro)
443-808 Bandwidth
443-822 T-Mobile
443-837 Paetec Itel
443-852 AT&T Mobility
443-871 T-Mobile
443-875 AT&T Mobility
443-905 AT&T Mobility
443-924 Verizon Wireless
443-926 Lumen (Level 3)
443-949 Comcast (Xfinity)
443-951 Lumen (Level 3)
443-994 AT&T Mobility
443-995 AT&T Mobility
410-212 T-Mobile
410-216 Verizon
410-224 Verizon
410-263 Verizon
410-266 Verizon
410-267 Verizon
410-268 Verizon
410-271 Verizon Wireless
410-279 Verizon Wireless
410-280 Verizon
410-293 Paetec Itel
410-295 Verizon
410-320 T-Mobile
410-349 Verizon
410-353 Verizon Wireless
410-507 Verizon Wireless
410-533 AT&T Mobility
410-562 AT&T Mobility
410-570 AT&T Mobility
410-571 Verizon
410-573 Verizon
410-626 Verizon
410-693 AT&T Mobility
410-703 Verizon Wireless
410-731 Spok
410-757 Verizon
410-858 Verizon
410-897 Verizon
410-919 Verizon Business (MCImetro)
410-934 AT&T Mobility
410-940 Paetec Itel
410-956 Verizon
410-972 AT&T (Teleport)
410-980 Verizon Wireless
410-990 Verizon
410-991 Verizon Wireless
667-204 Paetec Itel
667-225 AT&T Mobility
667-267 Core Communications
667-270 Verizon Wireless
667-299 Hd Carrier
667-362 Core Communications
667-380 Onvoy (Sinch)
667-408 Verizon Wireless
667-423 T-Mobile
667-458 Verizon Wireless
667-493 T-Mobile
667-500 Core Communications
667-549 AT&T Mobility
667-551 Onvoy (Sinch)
667-627 Core Communications
667-646 Ton80 Communications
667-876 Core Communications

Nearby cities in area code 443

Questions

What is the area code for Mayo, MD?: Mayo uses 3 area codes: 443, 410 and 667. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
What time zone is Mayo in?: Mayo is in the Eastern time zone.