Area Code 484: Get an Allentown Phone Number

484 · Allentown

What is the area code for Allentown?

The area code for Allentown, Pennsylvania is 484, with overlay code 610 sharing the same geographic footprint. The 484 area code is a North American Numbering Plan geographic code assigned in 1998, covering the Southeastern Pennsylvania (Lehigh Valley) region. It serves approximately 1,100,000 residents on the Eastern Time (ET) (UTC-5 / UTC-4 DST).

The 484 area code has 786 assigned central-office prefixes (NXX codes, the three digits after the area code) across 79 rate centers, with numbers allocated to roughly 51 carriers.

At 786 of the ~792 usable central-office prefixes, the 484 area code has about 99% of its numbering capacity assigned, and that near-exhaustion is part of why overlay code 610 was added to the region. See how 484 compares in our NXX prefix allocation analysis across 338 US area codes. (Prefix data: localcallingguide.com / NANPA, 2026.)

Where is area code 484? Location and map area

Area code 484 is located in Pennsylvania, the United States. Its coverage area centers on Allentown and spans the Southeastern Pennsylvania (Lehigh Valley) region. If you received a call from a 484 number, the caller's number was assigned in this area — though with number porting and virtual numbers, the person may be calling from anywhere.

The 484 location sits in Eastern Time (ET), so local business hours run roughly 9 a.m.–5 p.m. ET. Neighboring Pennsylvania area codes include 215, 223, 267.

All Allentown area codes

Allentown is served by 2 area codes across the metro area. 484 is the 1998 addition; the others were added as overlays or for surrounding suburbs.

• 484 (current page) — Overlay on the same metro, assigned 1998
• 610 — Allentown — assigned 1994

Cities served by the 484 area code

The 484 area code covers 5 major cities and towns across the Southeastern Pennsylvania (Lehigh Valley) region (PA):

Businesses across Allentown and surrounding cities use 484 numbers to project local presence and lift call answer rates. Industry studies of local presence dialing consistently report answer-rate gains of 20–40% over toll-free or out-of-area numbers — a caller ID that matches the recipient's region looks familiar and gets picked up.

484 area code time zone and business hours

The 484 area code is in the Eastern Time (ET) zone (UTC-5 / UTC-4 DST). Standard business hours in 484 run 9 AM to 5 PM ET.

If you're calling into 484 from a different time zone, factor in the offset. For example, an Eastern Time business calling 484 at 9 AM ET reaches Allentown at local time — likely outside standard business hours.

History of the 484 area code

The 484 area code was introduced in 1998 when the North American Numbering Plan was first deployed. As Allentown grew and number demand increased, overlay code 610 was added to serve the same geographic region — a common solution that avoids forcing existing subscribers to change their numbers.

• 1994 610 added to serve the same region
• 1998 484 entered service

Is the 484 area code safe? Spam and scam calls

484 is a legitimate geographic area code for Allentown — it is not a scam code or a premium-rate prefix, and a call from a 484 number is most likely a genuine local caller. The risk is not the area code itself but a tactic called neighbor spoofing: scammers fake their caller ID so an unwanted call appears to come from your own area code, because people answer familiar numbers more readily.

If you get an unexpected 484 call, a few signals point to a likely scam — a pre-recorded message, urgent pressure to act now, a demand for payment by gift card or wire transfer, or anyone asking for passwords, Social Security, or account numbers. Let suspicious calls go to voicemail, never share personal information, and report fraud to the FTC at reportfraud.ftc.gov.

The FCC consumer guide on spoofing explains your rights under the Truth in Caller ID Act. A real Allentown business will leave a clear voicemail and will not pressure you.

US carriers verify caller ID with the STIR/SHAKEN framework, which flags many spoofed numbers as "Spam Likely" before they ring. DialPhone 484 numbers are registered for STIR/SHAKEN attestation, so calls from your business are verified as genuine and reach customers without a false spam label. See the DialPhone guide to VoIP security for more.

Why get a 484 area code number for your business?

Getting a 484 number gives your business three measurable advantages over a toll-free or out-of-area number:

1. Local trust signal. Customers in Allentown recognize 484 as their home area code. Caller ID matching builds immediate credibility for service businesses, sales outreach, and patient communication.
2. Higher answer rate. Calls from a familiar local area code are answered far more often than unknown or toll-free numbers — industry measurements of local presence dialing put the lift at 20–40%, which matters most for outbound sales, appointment confirmations, and time-sensitive service callbacks.
3. Targeted marketing. Businesses serving Allentown and the broader Southeastern Pennsylvania (Lehigh Valley) can advertise a local number across print, radio, billboards, and digital channels for higher conversion than a national 800 number.

For businesses in Allentown and surrounding cities, top industries that benefit from local 484 presence include Healthcare, Manufacturing, and Education. DialPhone's AI receptionist is available for every 484 number — never miss a call, even after standard business hours.

How to get a 484 area code number

Setting up a 484 business number with DialPhone takes under 10 minutes:

1. Sign up for a DialPhone plan. Choose any plan starting at $24/user/month. Free 14-day trial, no credit card required.
2. Search available 484 numbers. Filter the DialPhone number inventory by area code, city, or pattern.
3. Choose your number and configure. Assign your new 484 number to a user or team, set up call routing, voicemail, AI receptionist, and business SMS.
4. Port your existing number (optional). Already have a 484 number? Free number porting in 2 to 5 business days with zero service interruption.

New to local numbers? The complete guide to getting a local phone number covers choosing the right area code, porting an existing line, and avoiding spam flags.

484 area code overlay codes

The Southeastern Pennsylvania (Lehigh Valley) region is served by multiple overlay area codes:

Area Code	Coverage
484	Primary area code for Southeastern Pennsylvania (Lehigh Valley), assigned 1998
610	Overlay — same geography (assigned 1994)

All overlay codes serve the same Allentown region. New subscribers may be assigned any available code; existing numbers retain their original prefix.

AI receptionist for 484 area code businesses

Every DialPhone 484 number includes optional AI receptionist coverage, available 24/7. The AI handles calls when your team is unavailable — answering common questions, booking appointments, routing urgent callers to on-call staff, and capturing voicemail with full transcription and intent tagging.

For businesses in Allentown that handle high call volume, run extended hours, or need bilingual support (especially valuable in service areas with diverse customer bases), the AI receptionist reduces voicemail backlog and improves first-call resolution.

All area codes in Pennsylvania

Pennsylvania has 12 active geographic area codes. The 484 area code is part of the same numbering plan as the codes listed below — calls between them are typically local within the state, depending on the carrier.

Nearby area codes

Related area codes in Pennsylvania and the Eastern Time (ET) region:

• 215 area code — Philadelphia, Pennsylvania
• 223 area code — Lancaster, Pennsylvania
• 267 area code — Philadelphia, Pennsylvania
• 412 area code — Pittsburgh, Pennsylvania
• 445 area code — Philadelphia, Pennsylvania
• 570 area code — Scranton, Pennsylvania

All Pennsylvania area codes → · Browse all US area codes →

More area codes: ← 483 Montgomery · 501 Little Rock →

How this page is verified

DialPhone re-verifies every area code page every 90 days. Area code geography, timezone, and overlay data come from the official North American Numbering Plan Administration (NANPA) database. Pricing reflects the published DialPhone plan tiers — see the pricing page for current details. Number availability varies; check the DialPhone signup flow for live inventory in the 484 region.

What to know before getting a 484 number

• Number availability is finite. Popular Allentown area codes can be inventory-constrained — request specific vanity patterns early.
• Porting timing varies. Most 484 ports complete in 2-5 business days; complex multi-line legacy contracts can take 7-10.
• HIPAA tier required for healthcare. The Core $24 plan doesn't include a BAA — healthcare users need Advanced ($34) or above.